White Tiller 21A 458B190 User Manual

REAR TINE  
TILLER  
MODEL  
RB650  
21A-458B190  
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY  
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-  
covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting  
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.  
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have  
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized  
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-9722.  
WHITE OUTDOOR PRODUCTS COMPANY P.O. BOX 361131 CLEVELAND, OHIO 44136-9722  
PRINTED IN U.S.A.  
FORM NO.770-10193B  
(01/99)  
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SECTION 3: IMPORTANT SAFE OPERATION PRACTICES  
WARNING: THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF  
NOT FOLLOWED, COULD ENDANGER THE PERSONAL SAFETY AND/OR PROPERTY OF  
YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL  
BEFORE ATTEMPTING TO OPERATE YOUR TILLER. FAILURE TO COMPLY WITH THESE  
INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. WHEN YOU SEE THIS SYMBOL— HEED  
ITS WARNING.  
WARNING:  
The Engine Exhaust from this product contains chemicals known to  
the State of California to cause cancer, birth defects or other reproductive harm.  
DANGER: Your tiller was built to be operated according to the rules for safe operation in this  
manual. As with any type of power equipment, carelessness or error on the part of the operator can  
result in serious injury. This tiller is capable of amputating hands and feet. Failure to observe the  
following safety instructions could result in serious injury or death.  
1. GENERAL OPERATION  
• Read this operator’s manual carefully in its entirety  
• Do not place feet or hands on or near the tines  
when starting the engine or while the engine is  
running.  
before attempting to assemble this machine. Read,  
understand, and follow all instructions on the  
machine and in the manual(s) before operation. Be  
completely familiar with the controls and the proper  
use of the machine before operating it. Keep this  
manual in a safe place for future and regular  
reference and for ordering replacement parts.  
• Never attempt to make depth bar, tine width, cable,  
handle, or wheel adjustments while the engine is  
running.  
• Do not leave the tiller unattended with the engine  
running.  
• Your tiller is a powerful tool, not a plaything.  
Therefore, exercise extreme caution at all times.  
Your unit has been designed to perform one job: to  
till soil. Do not use it for any other purpose.  
• Before attempting to remove rocks, bricks and  
other objects from tines, stop the engine and be  
sure the tines have stopped completely. Disconnect  
the spark plug wire and move it away from the  
spark plug.  
• Never allow children under age 14 to operate the  
unit. Children 14 years and older should only  
operate the unit under close parental supervision.  
Only responsible individuals who are familiar with  
these rules of safe operation should be allowed to  
use your unit.  
• If your machine should start making an unusual  
noise or vibration, immediately stop the engine and  
allow the machine to come to a complete stop.  
Disconnect the spark plug wire and move it away  
from the spark plug. Take the following steps:  
• Do not operate tiller while under the influence of  
alcohol or drugs.  
Inspect for damage.  
Repair or replace any damaged parts.  
• Keep the area of operation clear of all persons,  
particularly small children and pets. Stop the  
engine when they are in the vicinity of your tiller.  
Check for any loose parts and tighten to  
assure continued safe operation.  
• Wear sturdy, rough-soled work shoes and close  
fitting slacks and shirt. Shirt and slacks that cover  
the arms and legs and steel-toed shoes are  
recommended. Do not wear loose fitting clothes or  
jewelry and secure hair so it is above shoulder  
length. They can be caught in moving parts. Never  
operate a unit in bare feet, sandals or sneakers.  
• Muffler and engine become hot and can cause a  
burn. Do not touch.  
• Keep all shields, guards and safety devices in  
place and operating properly.  
• Use caution when tilling near fences, buildings and  
underground utilities. Rotating tines can cause  
damage or injury.  
• Operate tiller only in daylight or good artificial light.  
• Do not operate engine if air cleaner or cover over  
carburetor air intake is removed, except for  
adjustment. Removal of such parts could create a  
fire hazard.  
• Do not start tiller unless the shift lever (if provided)  
is in the neutral (N) position.  
• Do not allow anyone to stand or walk in front of  
tiller when starting or running engine.  
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• Only use accessories approved for this machine by  
the manufacturer. Read, understand, and follow all  
instructions provided with the approved accessory.  
• Extinguish all cigarettes, cigars, pipes and other  
sources of ignition.  
• Never refuel unit indoors because flammable  
vapors will accumulate in the area.  
• If situations occur which are not covered by this  
manual, use care and good judgment. Contact your  
dealer for assistance.  
• Never store the machine or fuel container inside  
where there is an open flame or spark such as a  
gas hot water heater, space heater, clothes dryer  
or furnace.  
2. CHILDREN  
• Tragic accidents can occur if the operator is not  
alert to the presence of small children. Children are  
often attracted to the tilling activity. Never assume  
that children will remain where you last saw them.  
• Never run your machine in an enclosed area as the  
exhaust from the engine contains carbon  
monoxide, which is a odorless, tasteless and  
deadly poisonous gas.  
• Keep children out of the work area and under the  
watchful eye of a responsible adult other than the  
operator.  
• To reduce fire hazard, keep engine and muffler free  
of leaves, grass, and other debris build-up. Clean  
up fuel and oil spillage. Allow unit to cool at least 5  
minutes before storing.  
• Be alert and turn the unit off if a child enters the  
area.  
• Before cleaning, repairing, or inspecting, make  
certain the tines and all moving parts have stopped.  
Disconnect the spark plug wire and keep wire away  
from spark plug to prevent accidental starting. Do  
not use flammable solutions to clean air filter.  
• Never allow children under the age of 14 to operate  
the tiller.  
3. SERVICE  
• Use extreme care in handling gasoline and other  
fuels. They are extremely flammable and the  
vapors are explosive.  
• Keep all nuts, bolts, and screws tight to be sure the  
equipment is in safe working condition.  
• Never tamper with safety devices. Check their  
proper operation regularly.  
• Store fuel and oil in approved containers, away  
from heat and open flame, and out of the reach of  
children. Check and add fuel before starting the  
engine. Never remove gas cap or add fuel while the  
engine is running. Allow engine to cool at least two  
minutes before refueling.  
• Do not alter or tamper with the engine’s governor  
setting. The governor controls the maximum safe  
operating speed of the engine. Overspeeding the  
engine is dangerous and will cause damage to the  
engine and to other moving parts of the machine.  
• Replace gasoline cap securely and wipe off any  
spilled gasoline before starting the engine as it may  
cause a fire or explosion.  
WARNING — YOUR RESPONSIBILITY: Restrict the use of this power machine to persons who  
read, understand and follow the warnings and instructions in this manual and on the machine.  
Figure 2 Safety labels found on your unit  
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SECTION 4: LOOSE PARTS  
Handle  
Assembly  
Depth  
Stake  
Assembly  
Control  
Rod  
NOTE: Cable tie not shown.  
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SECTION 5: ASSEMBLY INSTRUCTIONS  
IMPORTANT: This unit is shipped WITHOUT  
GASOLINE or OIL. After assembly, see separate  
engine manual for proper fuel and engine oil  
recommendations.  
ATTACHING DEPTH STAKE ASSEMBLY  
1. Tip the tiller forward so it rests on front  
counterweight.  
2. Raise the tine shield hinge flap assembly.  
Remove "T" knob, flat washer and hex bolt from  
depth stake. Insert the depth stake assembly in  
front of spacer (under the tine shield) and up  
through the tine shield assembly as shown in  
Figure 3.  
NOTE: Left and right is determined from the  
operator’s position, standing behind the tiller.  
TOOLS REQUIRED FOR ASSEMBLY  
Adjustable Wrenches  
Pair of Pliers  
3. Insert clevis pin through the tine shield and the  
second hole from top of the depth stake. Secure  
with hairpin clip.  
TO REMOVE UNIT FROM CARTON  
4. Insert hex bolt into the top hole of the depth  
stake assembly. Place flat washer on hex bolt  
and thread “T” knob onto the hex bolt. See  
Figure 3. Tighten securely.  
1. Remove staples, break glue on top flaps, or cut  
tape at carton end and peel along top flap to  
open carton.  
2. Remove loose parts included with unit (i.e.,  
operator’s manual, etc.).  
5. Tip the tiller back down so it rests on the depth  
stake (transport position).  
3. Cut along dotted lines and lay carton down flat.  
4. Remove packing material.  
ATTACHING THE HANDLE ASSEMBLY  
5. Roll or slide unit out of carton. Check carton  
thoroughly for loose parts.  
6. Extend control cable and lay on the floor. Be  
careful not to bend or kink control cable.  
Remove  
Handle  
Ass’y  
T-Handle Hex Bolt  
T-Knob  
Handle  
Bracket  
Hex Bolt  
Washer  
Depth  
Stake  
Clevis Pin  
Washer  
Hairpin Clip  
Figure 4  
1. Remove top two bolts and flange lock nuts from  
handle mounting brackets as shown in Figure 4.  
Do not remove the bottom bolt and nut.  
2. Place handle assembly in position between the  
handle mounting brackets. See Figure 4.  
Depth Stake  
Figure 3  
3. Line up holes in handle with holes in handle  
mounting brackets. Secure with hardware  
removed in step 1.  
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4. Again, push inward on the clutch control bail and  
rotate it back into it’s original position.  
5. With the clutch control bail released, adjust the  
bottom nut at the cable bracket three turns up  
from end of threads. Tighten the upper nut  
against the bracket. Carefully squeeze the clutch  
control bail against the handle. The control wire  
should now be straight.  
NOTE: Do not overtighten control wire. Too much  
tension may cause it to break.  
Hex  
Nut  
WARNING: Be certain to check the  
clutch cable adjustment as instructed  
on page 7 of your owner’s guide before  
operating the tiller.  
Slot in  
Cable Bracket  
Hex  
Nut  
Washer  
Secure drive cable to handle using cable tie. Refer  
to Figure 8. Cut off excess end of cable tie.  
ATTACHING THE CONTROL ROD  
Figure 5  
1. Remove hairpin clips from control rod, (rubber  
washers to remain on control rod).  
ATTACHING THE CLUTCH CABLE  
2. Insert the shorter, (angled), end of the control  
rod through the indicator bracket on the shift  
cover and secure with hairpin clip that was  
removed in step 1. (See Figure 7).  
Attach the clutch cable to the handle as follows (be  
careful not to kink the cable).  
1. Route the clutch cable to the left side of the tiller,  
and underneath the handle. Push the "Z" end of  
the cable into the hole in the clutch control bail.  
You will need to attach the "Z" end from the  
inside to the outside. (See Figure 6).  
3. Insert the longer end of the control rod through  
the hole in the gear selector handle and secure  
with hairpin clip. (See Figure 8).  
.
2. Push the clutch control bail inward and rotate it  
forward past the stop. (See Figure 6).  
Control Rod  
3. Unthread the top nut from the cable casing. Slip  
the wire through the slot on the cable bracket on  
the handle. Push the end of the casing up  
through the cable bracket. Rethread the hex nut  
on the end of the casing. Do not tighten at this  
time. (See Figure 6).  
Rubber  
Washer  
Idler  
Pulley  
Rod  
Indicator Bracket  
Hairpin  
Clip  
Push  
Inward  
Figure 7  
CHECKING THE CLUTCH ADJUSTMENT  
IMPORTANT: Service the engine with oil and  
gasoline before checking this adjustment. Refer to  
the separate engine manual packed with your tiller  
for proper fuel and engine oil recommendations.  
"Z" Fitting  
Rotate  
Forward  
Clutch Control  
Bail  
Figure 6  
7
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Position the tiller so the front counterweight is  
against a solid object, such as a wall. With the gear  
selection lever in NEUTRAL, start the engine. Refer  
to the separate engine manual.  
Standing on the right side of the tiller, examine the  
belt (inside the belt cover). It should not be turning.  
Recheck both adjustments, and readjust as  
necessary.  
NOTE: A secondary cable adjustment is available  
if you reach the point that additional adjustment is  
needed. Remove the belt cover and move the hex  
nuts at the other end of the cable towards the end of  
the casing. Then readjust the hex nuts at the handle.  
NOTE: Do not put fingers under the belt cover.  
If the belt turns with the unit in neutral, adjust by  
moving the hex nut below the cable bracket down  
two full turns. See Figure 5. Tighten the upper hex  
nut against the bracket.  
Now move the shift lever to FORWARD (Wheels  
Forward) position. Carefully engage the clutch by  
lifting the clutch control bail against the handle. The  
wheels should spin.  
If the wheels do not spin with the unit in forward,  
adjust by moving the hex nut which is above the  
cable bracket up two full turns. Tighten the bottom  
hex nut against the bracket.  
TIRE PRESSURE  
The tires on your unit may be over-inflated for  
shipping purposes. Reduce the tire pressure before  
operating the unit. Recommended operating tire  
pressure is approximately 20 p.s.i. (check sidewall of  
tire for tire manufacturer’s recommended pressure).  
WARNING: Maximum tire pressure  
under any circumstances is 30 p.s.i.  
Equal  
tire  
pressure  
should  
be  
maintained on both tires.  
SECTION 6: CONTROLS  
GEAR SELECTION HANDLE  
The gear selection handle is located in the center of  
the handle on the tiller. It is used to select  
NEUTRAL, REVERSE, or one of the FORWARD  
modes (see below). Pull or push the handle so that  
the indicator on top of shift cover points to the  
operating mode desired. See Figure 8.  
NEUTRAL—Transmission is in neutral.  
REVERSE—Reverse wheel drive.  
Gear  
Selection  
Handle  
Control  
Rod  
Clutch  
Control  
Bail  
Control  
Cable  
FORWARD Modes:  
Wheels Forward— Forward wheel drive only.  
Tines Reverse— Forward wheel drive and reverse  
tine drive.  
Height  
Adjustment  
Crank  
Tines Forward— Forward wheel and tine drive.  
WARNING: Make certain unit is in  
NEUTRAL when starting the engine.  
Cable Tie  
Figure 8  
NOTE: If difficulty is encountered in moving the  
gear selection handle, move the tiller forward or  
backward slightly to allow the gears to synchronize.  
THROTTLE CONTROL  
The throttle control lever is located on the engine. It  
controls the engine speed and stops the engine. See  
Engine manual for further information.  
CLUTCH CONTROL BAIL  
The clutch control bail is located below the handle.  
See Figure 8. Lifting the clutch control bail against  
the handle engages the wheel and tine drive  
mechanisms.  
CHOKE LEVER  
The choke lever is located to the left of the throttle. It  
is used to enrich the fuel mixture in the carburetor  
when starting a cold engine. See Engine manual for  
further information.  
NOTE: Never engage clutch lever while shifting.  
8
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DEPTH STAKE  
HANDLE ADJUSTMENT (See Figure 8)  
The depth bar controls the tilling depth. Refer to  
SECTION 8: HOW TO USE YOUR TILLER on page  
9.  
The handle may be adjusted to be raised or lowered  
in line with the tiller. To adjust the handle position  
loosen the handle height adjustment crank a few  
turns. Pivot handle up or down to desired position.  
Tighten crank.  
SECTION 7: OPERATION  
3. Stand at side of tiller. Grasp the starter handle  
with your right hand and pull out slowly, until it  
pulls slightly harder. Place your left hand on the  
lower portion of the upper handle.  
NOTE: Engine is shipped without oil.  
WARNING: Before operating the tiller,  
be certain to read SECTION 8: HOW TO  
USE YOUR TILLER on page 9. Use the  
reverse tine drive when tilling virgin  
ground, sod or hard soil. Use the  
forward tine drive when cultivating or  
tilling soft ground.  
4. Pull starter handle rapidly. Do not allow handle  
to snap back. Allow it to rewind slowly while  
keeping a firm hold on the starter handle.  
5. Repeat steps 3 and 4 until engine starts.  
6. As engine warms up and begins to operate  
evenly, move choke lever gradually to RUN  
position. If engine falters, return to choke  
position, then slowly move to RUN position.  
BEFORE STARTING  
1. Service engine with oil as instructed in the  
separate engine manual packed with your unit.  
7. Refer to engine manual for additional engine  
information.  
2. Fill fuel tank with clean, fresh, lead-free, low-lead  
or regular grade leaded gasoline.  
NOTE: After starting engine and prior to using the  
tiller, be certain to check the clutch adjustment as  
described in “Checking the Clutch Adjustment”  
section of Assembly Instructions.  
TO START ENGINE  
WARNING: Be Sure No One Is  
Standing In Front Of The Tiller While  
The Engine Is Running Or Being  
Started.  
TO STOP ENGINE  
1. Move throttle control to the STOP position.  
2. Disconnect spark plug wire and ground to pre-  
vent accidentally starting while equipment is  
unattended.  
1. Place the throttle control lever in the FAST  
(rabbit) position.  
NOTE: After the first ten hours of operation, recheck  
the clutch adjustment. Refer to “Checking the Clutch  
Adjustment” section of the Assembly Instructions.  
2. Move choke lever to CHOKE position.  
NOTE: A warm engine may not require choking.  
SECTION 8: HOW TO USE YOUR TILLER  
2. When breaking up sod and for shallow  
WARNING: When operating the tiller  
for the first time, use the depth stake  
setting that gives 1 inch of tilling depth  
(second hole from the top).  
cultivation, use the setting which gives 1" of  
tilling depth (second hole from the top). Place  
the side shields in their lowest position. For  
further depth, raise the depth stake and side  
shields and make one or two more passes over  
the area.  
See Figure 9.  
Tilling depth is controlled by the depth stake which  
can be adjusted to five different settings. See Figure  
9. Adjust the side shields as shown in Figure 10, as  
you adjust the depth stake. Be certain spark plug  
wire is disconnected and grounded against the  
engine.  
3. When tilling loose soil, depth stake may be  
raised to its highest position (use bottom  
adjustment hole) to give the deepest tilling  
depth. Raise the side shields to their highest  
position.  
1. When using the tiller for the first time, use the  
second adjustment hole from the top (1" of tilling  
depth). See Figure 9.  
9
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TO OPERATE THE TILLER:  
1. Select the depth stake setting.  
2. Start engine as instructed on page 9.  
Transport  
Position  
Use This  
Position  
First Time  
3. Move gear selection handle to one of the  
forward modes or reverse.  
Use the reverse tine drive when tilling virgin  
ground, sod or hard soil. Use the forward tine  
drive when cultivating or tilling soft ground.  
Clevis  
Pin  
IMPORTANT: When using the forward tine  
drive, lower the depth stake (use a shallower  
tilling depth) to make certain the tines do not run  
across the ground.  
Hairpin  
Clip  
WARNING: Do not move the gear  
selection handle with the wheels or  
tines engaged. Make certain the unit is  
stopped completely before changing  
the gear selection.  
Figure 9  
4. To transport tiller, lower the depth stake (use top  
adjustment hole).  
5. To adjust the depth stake, remove the clevis pin  
and hairpin clip. See Figure 9. Move the depth  
stake to the desired setting.  
4. Squeeze the clutch control bail against the  
handle to engage the wheels and tines.  
6. To adjust the side shields, remove the front wing  
nut and loosen the rear wing nut. See Figure 10.  
Place side shield in position desired. Replace  
wing nuts and tighten securely.  
NOTE: Make certain the gear selection indicator is  
correctly positioned before engaging the clutch  
handle. If it is between gears, the engine will stall.  
To transport tiller, do not engage the tines. Select  
the wheel drive only.  
Side  
Shields  
Use This  
Hole for  
Lowest (Shallowest)  
Position  
WARNING: Do not push down on the  
handles so that the wheels are lifted off  
the ground while using the reverse tine  
drive, or the tiller could move backward  
and cause personal injury.  
For best results, it is recommended the garden be  
tilled twice (lengthwise, then widthwise) to pulverize  
the soil.  
Rear  
Wing Nut  
Front  
Wing Nut  
Use This Hole for  
Highest (Deepest)  
Position  
Figure 10  
SECTION 9: ADJUSTMENTS  
HANDLE ADJUSTMENT  
BELT TENSION ADJUSTMENT  
The handle height may be adjusted. Refer to the  
Control section for details of handle adjustment.  
Periodic adjustment of the belt tension may be  
required due to normal stretch and wear on the belt.  
Adjustment is needed if the tines or wheels seem to  
hesitate while turning, but the engine maintains the  
same speed.  
10  
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To adjust the tension on the belt, refer to clutch  
adjustment information in “Checking the Clutch  
Adjustment” section of the Assembly Instructions.  
After belt tension has been adjusted, if the belt is  
excessively stretched, you may need to adjust the  
idler pulley rod. This can easily be checked. With the  
engine off and the clutch control bail disengaged,  
shift the gear selection handle to each forward  
mode. If the indicator bracket touches the idler pulley  
rod, (with the clutch control bail disengaged), then  
an adjustment is necessary.  
5. Replace the wave washer and hairpin clip.  
6. Check clearance of the idler pulley rod to the  
indicator bracket by shifting to each forward  
mode, as before.  
CARBURETOR ADJUSTMENT  
WARNING: If any adjustments are  
made to the engine while the engine is  
running, (e.g. carburetor), disengage all  
clutches and tines. Keep clear of all  
moving parts. Be careful of heated  
surfaces and muffler.  
1. Disconnect and ground out spark plug wire  
against the engine.  
2. Remove the belt cover as described in the belt  
replacement section on page 12.  
Never make unnecessary adjustments. The factory  
settings are correct for most applications. If  
adjustments are needed, refer to the separate  
engine manual packed with your tiller.  
3. Remove the hairpin clip and flat washer from the  
idler pulley rod. See Figure 12.  
4. Move the idler pulley rod to the lower hole in the  
idler bracket. See Figure 12.  
SECTION 10: LUBRICATION  
Transmission—The transmission is pre-lubricated  
and sealed at the factory. It requires no checking  
unless the transmission is disassembled. To fill with  
grease, lay the right half of the transmission on its  
side. Add 30 ounces of Benalene 920 grease. Apply  
a bead of RTV or silicone sealant to the right half of  
the transmission, all the way around the gear  
compartment. Assemble the left half to it. This  
grease can be obtained at your nearest authorized  
dealer. Order part number 737-0300.  
Clutch Bail—Lubricate the pivot point on the clutch  
bail and the cable at least once a season with light  
oil. The control must operate freely in both  
directions.  
Pivot Points—Lubricate all pivot points and linkages  
at least once a season with light oil.  
Tine Shaft—Remove tines at least once a season  
and lubricate with oil.  
Wheel Axle—Remove the wheel assemblies at least  
once a season and lubricate with oil.  
SECTION 11: MAINTENANCE  
replacement is recommended at the start of each  
tiller season; check engine manual for correct plug  
type and gap specification.  
Clean the engine regularly with a cloth or brush.  
Keep the cooling system (blower housing area)  
clean to permit proper air circulation which is  
essential to engine performance and life. Be certain  
to remove all dirt and combustible debris from  
muffler area.  
WARNING: Disconnect the spark plug  
wire and ground it against the engine  
before performing any repairs or  
maintenance.  
ENGINE  
Refer to the separate engine manual for engine  
maintenance instructions.  
Maintain engine oil as instructed in the separate  
engine manual packed with your unit. Read and  
follow instructions carefully.  
CLEANING THE TINE AREA  
Clean the underside of the tine shield after each use.  
The dirt washes off the tines easier if washed off  
immediately instead of after it dries.  
Service air cleaner every ten hours under normal  
conditions. Clean every hour under extremely dusty  
conditions. Poor engine performance and flooding  
usually indicates that the air cleaner should be  
serviced. To service the air cleaner, refer to the  
separate engine manual packed with your unit.  
IMPORTANT: Never run your engine without air  
cleaner completely assembled.  
The spark plug should be cleaned and the gap  
reset every 25 hours of engine operation. Spark plug  
11  
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BELT REPLACEMENT  
NOTE: Upon reassembly, make certain the belt is  
routed over the idler pulley and inside of belt  
keepers by engine pulley. See Figure 12.  
CAUTION: Do not use an off-the-shelf  
belt.  
Idler  
Pulley  
Rod  
Your tiller has been engineered with a belt made of  
special material (Kevlar Tensile) for longer life and  
better performance. It should not be replaced with an  
off-the-shelf belt.  
If belt replacement is required, order belt or belts by  
part number from your nearest authorized dealer.  
Part No. 754-0434—‘‘V’’ Belt  
1. Disconnect and ground the spark plug wire  
against the engine.  
Engine  
Pulley  
Idler  
Brkt.  
2. Remove the belt cover from the left side of the  
tiller as follows: See Figure 11.Remove two torx  
screws from the top of belt cover.  
Belt Keeper  
Brkt.  
Figure 12  
3. Remove the hex cap nut and flat washer from the  
side of the belt cover. Remove the hex screw at  
the bottom of the front of the cover.  
TIRES  
Recommended  
operating  
tire  
pressure  
is  
4. Remove the belt keeper bracket located behind  
the engine pulley by removing two hex bolts and  
lock washers. See Figure 12.  
approximately 20 p.s.i. (check sidewall of tire for tire  
manufacturer’s recommended pressure). Maximum  
tire pressure under any circumstances is 30 p.s.i.  
Equal tire pressure should be maintained on both  
tires.  
5. Remove belt. Reassemble new belt, following  
instructions in reverse order.  
When installing a tire to the rim, be certain rim is  
clean and free of rust. Lubricate both the tire and rim  
generously. Never inflate to over 30 p.s.i. to seat  
beads.  
WARNING: Excessive pressure (over  
30 p.s.i.) when seating beads may cause  
tire/rim assembly to burst with force  
sufficient to cause serious injury.  
Torx Screws  
Belt Cover  
Hex Cap Nut  
Self Tap  
Screw  
Figure 11  
12  
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SECTION 12: OFF-SEASON STORAGE  
If the tiller will not be used for a period longer than  
30 days, the following steps should be taken to  
prepare the tiller for storage.  
3. Wipe tines with oiled rag to prevent rust.  
4. Store tiller in a clean, dry area. Do not store next  
to corrosive materials, such as fertilizer.  
1. Clean the exterior of engine and the entire tiller  
thoroughly. Lubricate the tiller as described in  
the lubrication instructions.  
NOTE: When storing any type of power equipment  
in an unventilated or metal storage shed, care  
should be taken to rustproof the equipment. Using a  
light oil or silicone, coat the equipment, especially  
any springs, bearings and cables.  
2. Refer to the engine manual for correct engine  
storage instructions.  
SECTION 13: TROUBLE SHOOTING GUIDE  
Trouble  
Possible Cause(s)  
Corrective Action  
Engine fails to  
start  
Fuel tank empty, or stale fuel.  
Fill tank with clean, fresh gasoline. Fuel will not last over  
thirty days unless a fuel stabilizer is used.  
Move throttle lever to start position.  
Throttle control lever not in correct  
starting position (if so equipped).  
Blocked fuel line.  
Clean fuel line.  
Dirty aircleaner.  
Refer to the engine manual packed with your unit.  
Move switch to ON position.  
Connect wire to spark plug.  
Choke not in ON position.  
Spark plug wire disconnected.  
Faulty spark plug.  
Clean, adjust gap or replace.  
Engine flooded.  
Refer to the engine manual packed with your unit.  
Move choke lever to OFF position.  
Connect and tighten spark plug wire.  
Clean fuel line; fill tank with clean, fresh gasoline. Fuel will  
not last over thirty days unless a fuel stabilizer is used.  
Clear vent.  
Drain fuel tank. Refill with fresh fuel.  
Refer to the engine manual packed with your unit.  
Refer to the engine manual packed with your unit.  
Fill crankcase with proper oil.  
Engine runs  
erratic  
Unit running on CHOKE.  
Spark plug wire loose.  
Blocked fuel line or stale fuel.  
Vent in gas cap plugged.  
Water or dirt in fuel system.  
Dirty air cleaner.  
Carburetor out of adjustment.  
Engine oil level low.  
Engine over-  
heats  
Dirty air cleaner.  
Air flow restricted.  
Refer to the engine manual packed with your unit.  
Refer to the engine manual packed with your unit.  
Adjust carburetor as instructed in separate engine manual.  
Dislodge foreign object.  
Replace tine clevis pin(s).  
Take unit to authorized service dealer.  
Carburetor not adjusted properly.  
Foreign object lodged in tines.  
Tine clevis pin(s) missing.  
Pulley and idler not in correct  
adjustment.  
Tines do not  
engage  
Not shifting properly.  
Refer to Controls section of operator’s manual for proper  
shifting procedures.  
Control cable not adjusted properly.  
Belt worn and/or stretched.  
Adjust control cable (see assembly instructions).  
Replace belt.  
Tines skip over Improper rotation.  
ground  
Forward rotation should only be used on soil that has  
already been tilled, not on virgin soil.  
Replace clevis pin.  
Refer to Controls section of operator’s manual for proper  
shifting procedures.  
Wheels do not  
engage  
Clevis pin missing.  
Tiller is not being shifted properly.  
Control cable not adjusted properly.  
Belt worn and/or stretched.  
Adjust control cable (see assembly instructions).  
Replace belt.  
Note: For repairs beyond the minor adjustments above, contact your local authorized service dealer.  
13  
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Model 458  
14  
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Model 458  
REF.  
NO.  
REF.  
NO.  
PART NO.  
721-0378  
DESCRIPTION  
Seal 1.0 Shaft  
PART NO.  
DESCRIPTION  
28  
29  
31  
32  
33  
34  
35  
36  
37  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
-
1
611-0020  
611-0021  
611-0128  
611-0129  
617-0058  
617-0059  
617-0060  
617-0061  
617-0062  
686-0108  
710-0376  
710-0599  
710-0604  
710-3008  
711-1349  
712-0378  
712-3004A  
713-0367  
713-0484  
716-0865  
717-0853  
717-1582  
717-1583  
717-1584  
717-1585  
717-1587  
717-1594  
Wheel Shaft Ass’y: 33T  
Tine Shaft Ass’y: 18T  
Jack Shaft Ass’y  
721-0379  
726-0277  
732-0496  
736-0163  
736-0351  
736-0407  
736-0518  
736-3088  
738-0645  
738-0648  
738-1013  
741-0124  
741-0420  
741-0421  
741-0563  
741-0862  
750-0258  
750-0570  
750-0664  
750-0671  
786-0171  
786-0238  
737-0300  
737-0288  
686-0107  
Seal .75 Shaft  
2
Taper Cap Ring  
3
Compression Spring .50" Lg.  
Thrust Wash. 1.03" I.D. x 1.62" O.D.  
Fl-Wash .76" I.D. x 1.5" O.D.  
Bell-Wash .45" I.D. x 1.0"  
Thrust Wash. .445 x 1.92 x .060  
Fl-Wash. .635" I.D. x 1.59 O.D.  
Detent Shaft 1/2" Dia.  
4
Input Shaft Ass’y  
5
Rev. Idler Gear Ass’y: 30T  
Ftine Idler Gear Ass’y: 30T  
Tine Input Sprocket Ass’y: 9T  
Wheel Input Sprocket Ass’y: 10T  
Gear Ass’y: 11T  
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
R.H. Housing Ass’y  
Hex Bolt 5/16-18 x 1" Lg.  
Hex S-Tap Scr. 1/4- 20 x .5"  
Hex S-Tap Scr. 5/16-18 x .625"  
Hex Bolt 5/16-18 x .75"  
Input Shaft  
Jack Shaft .625 x 2.385  
Jack Shaft .625 x 5.0  
Ball Bearing  
Flange Bearing 1.0 x 2.5 x 1.38  
Flange Bearing .75 x 2.5 x 1.38  
Ball Bearing . 6692 x 5745 x .466  
Detent Ball .250  
Hex Nut 7/16-20  
Flange Nut 5/16-18  
#420 Chain 1/2 Pitch x 50 Links  
#50 Chain 5/8 Pitch x 54 Links  
Snap Ring  
Spacer .315  
Spacer 1.0 I.D x 2.0 O.D. x .440  
Spacer .505 I.D. x .88 O.D. x .440  
Spacer .75 x 2.0 x .50  
Shifting Fork  
L.H. Chain Case Ass’y  
Spur Gear 44T  
Gear Positioner Bracket  
Benelene 920 Grease  
Spur Gear 30T  
Spur Gear 30T  
-
Never Seez Grease  
Spur Gear 44T  
-
Gear Case Assembly Complete  
Spur Gear 44T  
Spur Gear 16T  
15  
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Model 458  
12  
15  
2
12  
22  
60  
61  
12  
5
17  
10  
23  
18  
19  
7
20  
1
8
3
14  
11  
6
60  
16  
61  
25  
4
62  
9
37  
34  
27  
64  
21  
30  
38  
39  
63  
27  
26  
32  
36  
33  
31  
46  
42  
29  
66  
26  
30  
49  
44  
44  
41  
30  
24  
26  
40  
28  
35  
50  
59  
51  
65  
58  
53  
55  
56  
54  
57  
16  
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Model 458  
REF.  
NO.  
REF.  
NO.  
PART NO.  
DESCRIPTION  
Shift Rod  
PART NO.  
738-0849  
DESCRIPTION  
1
747-1152  
649-0033  
649-0034  
710-3005  
710-3056  
711-0415  
712-0379  
712-0429  
714-0147  
720-0313  
720-0210A  
720-0278  
726-0317  
735-0246  
736-0117  
736-0242  
738-0958  
784-0190  
784-0191  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
44  
46  
49  
50  
51  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
Hex Screw 5/16-18 x .75" Lg.  
Rod  
Spacer .435 O.D. x .322 I.D.  
Shoulder  
Tine Shield Hinge Flap  
R.H. Handle Brkt.  
L.H. Handle Brkt.  
2
3
4
5
6
7
8
9
10  
11  
12  
14  
15  
16  
17  
18  
19  
20  
Upper Handle Ass’y  
Lower Handle Ass’y  
Hex Screw 3/8-16 x 1.25  
Hex Screw 5/16-18 x 3.25  
Clevis Pin 3/8-1.62  
Flange Lock Nut 3/8-24  
Hex Lock Nut 5/16-18  
Cotter Pin  
Grip  
T-Knob  
Foam Grip  
Cable Tie  
747-0432  
750-0885  
786-0090  
786-0113  
786-0176  
786-0177  
786-0178  
786-0179  
786-0180  
686-0109  
710-1017  
715-0120  
784-0208C  
711-0415  
712-3054  
742-0305  
738-0689  
736-0208  
736-0253  
738-0688  
784-0160  
714-0149B  
735-0127  
714-0104  
710-3022  
736-0204  
712-0431  
736-0169  
712-3017  
Tine Shield  
Tine Shield Brkt.  
Shoulder Spacer Brkt.  
Shift Crank Ass’y  
Screw 1/4-14 x .625  
Spirol Pin 3/16 x 1.00  
Shift Cover  
Plug  
Flat Washer 3/8 x .620 x .033  
Bell Wash. .340 I.D. x .872  
Shoulder Spacer  
Handle Adjustment Crank  
Hex Nut Ret. Bracket  
Clevis Pin  
Hex Nut 3/8-24 Thd.  
13" Dia. Articulating Tine  
Shld. Bolt 1/2" DIa. x .175  
Fl-Wash. .51" I.D. x 1.50"  
Bell-Wash. .515" I.D. x 1.14"  
Shld. Bolt 1/2" Dia x .320  
Tine Adapter Ass’y 18"  
Internal Cotter Pin  
Rubber Washer  
Cotter Pin  
Hex Screw 3/8-16 x 2.75" Lg.  
Flat Washer  
Flange Nut .344 I.D. x .62 O.D.  
Lock Washer  
Hex Nut 3/8-16  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
786-0120  
747-1157  
786-0181  
686-0044A  
710-0176  
710-3008  
710-3097  
712-0421  
736-0129  
712-3004A  
726-0106  
Depth Stake  
Bail Clutch  
Shift Lever Rod  
Tine Shield Cover Ass’y  
Hex Cap Screw 5/16-18 x 2.75  
Hex Cap Screw 5/16-18 x .750  
Carriage Bolt 3/8-16 x 1.0  
Wing Nut  
Lock Washer 3/8  
Flange Nut 5/16-18  
Cap Nut  
Labels  
Ref.  
No.  
Part No.  
Code  
Description  
N/I 777S30038  
N/I 777I20282  
N/I 777D02264  
N/I 777D02263  
N/I 777I20358  
N/I 777I20451  
Model Plate  
Shift Plate Facing Operator  
Engine Spinner  
White, Side of Belt Guard  
Place Hand Here on Handle  
Gear Selection on Handle  
17  
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Model 458  
18  
27  
46  
45  
12  
9
19  
26  
24  
6
17  
1
8
10  
28  
25  
14  
2
11  
13  
7
20  
15  
44  
3
40  
21  
22  
4
23  
5
43  
42  
41  
16  
39  
35  
38  
37  
36  
33  
37  
32  
34  
31  
30  
29  
18  
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Model 458  
REF.  
NO.  
1
2
3
4
REF.  
NO.  
25  
26  
27  
PART NO.  
DESCRIPTION  
Belt Cover Brkt. Ass’y  
Hex Bolt 5/16-24 x .62" Lg.  
Hex Bolt 1/4-28 x .75" Lg.  
Hex Wash.TT-Sems Screw 3/8-16 x  
1.250" Lg.  
PART NO.  
786-0064A  
DESCRIPTION  
Idler Bracket  
686-0111  
710-0237  
710-0412  
710-0502A  
786-0186  
786-0123A  
786-0193  
634-0106  
634-0107  
734-0808  
634-0108  
734-0255  
711-1017  
714-0104  
710-0382  
712-0206  
723-0381  
736-0326  
736-0921  
710-0653  
710-1017  
712-0392  
736-0463  
784-0158A  
710-0805  
736-0242  
712-3010  
Belt Keeper Brkt.  
Shift Cover Brkt.  
Idler Belt Keeper  
RH Wheel Ass’y Comp. 16.0 x 4.0  
LH Wheel Ass’y Comp. 16.0 x 4.0  
Tire Only 16.0 x 4.0  
Wheel Rim Ass’y Comp.  
Air Valve  
28  
29  
5
6
7
8
710-0591  
710-0599  
710-0723  
712-0266  
712-0267  
714-0104  
736-0104  
736-0119  
736-0176  
736-0271  
736-0329  
736-0452  
738-0876  
746-1083  
747-1159  
754-0434  
756-0405  
756-0971  
756-0972  
756-1162  
Hex Bolt 3/8-24 x 1.00  
Hex Wash. Hd. S-Tap Scr.  
Hex Cap Screw 3/8-16 x 1.25  
Ctr. Lock Jam Nut 3/8-16  
Hex Nut 5/16-18  
Internal Cotter Pin  
Hairpin Clip  
L-Wash. 5/16" I.D.  
Fl-Wash. 1/4 I.D. x .93 O.D.  
Spring-Wash. .317 x .625 O.D. x .099 37  
L-Wash. 1/4" I.D.  
Bell-Wash. .396 x 1.140 x .095  
Shld. Nut 7/16-20  
Clutch Cable  
30  
31  
32  
33  
34  
35  
36  
9
Clevis Pin  
Internal Cotter Pin  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
Hex Bolt 1/2-13 x 5.00" Lg.  
Hex Nut 1/2-13 Thd.  
Counterweight  
Fl-Wash. .510" I.D. x 1.0" O.D.  
L-Wash. 1/2" Lg.  
Hex Screw 1/4-20 x .375" Lg.  
Screw 1/4-14 x .625" Lg.  
Acorn Lock Nut  
Fl-Washer 1/4 x .620" Lg.  
Belt Cover  
38  
39  
40  
41  
42  
43  
44  
45  
46  
Idler Pulley Rod  
Belt: 4L x 58.16 Lg.  
Fl-Idler w/Flange 3.75" O.D.  
Outer Engine Pulley Half  
Inner Engine Pulley Half  
Input Pulley  
Hex Bolt 5/16-18 x 1.50" Lg.  
Bell-Wash. .340 I.D. x .872 O.D.  
Nut:Hex 5/16-18  
IMPORTANT: For a proper working machine, use Factory  
Approved Parts  
V-BELTS are specially designed to engage and disengage  
safely. A substitute (non OEM) V-belt can be dangerous by not  
disengaging completely.  
19  
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MANUFACTURER’S LIMITED WARRANTY FOR:  
For TWO YEARS from the date of retail purchase  
within the United States of America, its possessions  
and territories, White Outdoor Products Company  
will, at its option, repair or replace, for the original  
purchaser, free of charge, any part or parts found to  
be defective in material or workmanship. This  
warranty covers units which have been operated and  
maintained in accordance with the operating  
instructions furnished with the unit, and which have  
UNITS EXPORTED OUT OF THE UNITED  
STATES: White Outdoor Products Company does  
not extend any warranty for products sold or  
exported outside of the United States of America, its  
possessions and territories, except those sold  
through White Outdoor Products Company’s  
authorized channels of export distribution.  
OTHER WARRANTIES:  
not been subject to misuse, abuse,  
accident, improper maintenance or alteration.  
neglect,  
1. The engine or component parts thereof carry  
separate warranties from their manufacturers.  
Please refer to the applicable manufacturer’s  
warranty on these items.  
NORMAL WEAR PARTS or components thereof are  
subject to separate terms as noted below in the “No  
Fault Ninety Day Consumer Warranty” clause.  
Commercial use is subject to the terms listed above,  
and is covered for a period of 90 days from the date  
of purchase.  
2. Batteries are covered by a 90-day replacement  
warranty.  
3. Log splitter pumps, valves and cylinders or  
component parts thereof are covered by a one  
year warranty.  
TWO YEAR CONSUMER WARRANTY ON  
NORMAL WEAR PARTS WITH NINETY DAY NO  
FAULT PROTECTION: All normal wear parts  
failures will be covered on this product for a period of  
90 days regardless of cause. After 90 days, but  
within the two year period, normal wear parts failures  
will be covered if caused by defects in material or  
workmanship. Normal wear parts are defined as  
belts, blades, blade adapters, grass bags, rider deck  
wheels, seats, snow thrower skid shoes, shave  
plates and tires.  
4. All other warranties, express or implied,  
including any implied warranty of merchantability  
or fitness for a particular purpose, are hereby  
expressly disclaimed in their entirety.  
5. The provisions as set forth in this warranty  
provide the sole and exclusive remedy of White  
Outdoor Products Company’s obligations arising  
from the sales of its products. White Outdoor  
Products Company will not be liable for  
incidental or consequential loss or damage.  
HOW TO OBTAIN SERVICE: Warranty service is  
available, with proof of purchase, through your local  
authorized service dealer. To locate the dealer in  
your area, please check the yellow pages or contact  
the Customer Service Department of White Outdoor  
Products Company, P O Box 361131, Cleveland,  
Ohio 44136-0019. Phone (330) 225-8883. The  
return of a complete unit will not be accepted by the  
factory unless prior written permission has been  
extended by the Service Department of White  
Outdoor Products Company.  
HOW STATE LAW RELATES TO THIS  
WARRANTY: This limited warranty gives you  
specific legal rights, and you may also have other  
rights which vary from state to state. Certain  
disclaimers are not allowed in some states and  
therefore they may not apply to you under all  
circumstances.  
NOTE: This warranty does not cover set-up, routine  
maintenance items such as lubricants, filters, blade  
sharpening and tune-ups, or adjustments such as  
brake adjustments. Nor does this warranty cover  
normal deterioration of the exterior finish due to use  
or exposure.  
TRANSPORTATION CHARGES: Transportation  
charges for the movement of any power equipment  
unit or attachment are the responsibility of the  
purchaser. Transportation charges for any parts  
submitted for replacement under this warranty must  
be paid by the purchaser unless such return is  
requested by White Outdoor Products Company.  
20  
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