Billy Goat Lawn Mower HP3400 User Manual

HP Owner’s Manual  
BILLY GOAT HOMEPRO 34" MOWER  
Owner's Manual  
HP3400  
Accessories  
Mulching Kit  
Grass Catcher Kit  
Reduces lawn  
clippings to fine  
nutrient-rich  
Easily convert your  
mower to bag  
grass and leaves.  
particles that filter  
down to the soil.  
P/N 521400  
P/N 521401  
Part No 521302  
Form No F101910A  
1
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HP Owner’s Manual  
SERIAL PLATE DATA  
Record the model number, serial number, date of  
purchase, and where purchased.  
Purchase Date:  
Purchased From:  
Specifications  
HP3400  
Engine: cc's  
344cc  
Engine: Model  
2158020167B1  
B & S Intek  
2.8 qt. (2.65 L)  
1.5 qt. (1.4 L)  
238# (108 Kg)  
15o  
Engine: Type  
Engine: Fuel Capacity  
Engine: Oil Capacity  
Total Unit Weight:  
Max. operating slope  
Overall length  
68” (1.73m)  
45.5” (1.16m)  
43.75” (1.11m)  
102dBa  
Overall width  
Overall height  
In accordance with 2000/14/EEC  
Sound at operators position  
Vibration at operator position  
82dBa  
.7g  
Part No 521302  
Form No F101910A  
3
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HP Owner’s Manual  
GENERAL SAFETY INSTRUCTIONS and SYMBOLS  
The safety symbols shown below are used throughout this manual. You should become familiar with them before  
assembling, operating, or servicing this equipment.  
This symbol indicates important information that will prevent injury to yourself or others.  
This symbol indicates ear protection is recommended when operating this equipment.  
This symbol indicates eye protection is recommended when operating this equipment.  
This symbol indicates gloves should be worn when servicing this equipment.  
This symbol indicates that this manual and the engine manufacturer’s manual should be read  
carefully before assembling, operation, or servicing this equipment.  
®
This symbol indicates important information that will prevent damage to your BILLY GOAT  
HP Mower.  
This symbol indicates the engine oil level should be checked before operating this  
equipment.  
Read and make sure you thoroughly understand the following safety precautions before assembling, operating or  
servicing this equipment:  
READ this manual and the engine manufacturer’s manual carefully before assembling,  
operating, or servicing this equipment.  
EAR PROTECTION is recommended when operating this equipment.  
EYE PROTECTION is recommended when operating this equipment.  
BREATHING PROTECTION is recommended when operating this equipment.  
EXHAUST from this product contains chemicals known to the State of California to cause  
cancer, birth defects or other reproductive harm.  
DO NOT operate this equipment on any unimproved forested, brushy, or grass covered land  
unless a spark arrester is installed on the muffler as required by Section 4442 of the  
California Public Resources Code. The arrester must be maintained in good working order.  
Other states may have similar laws. Federal laws apply on federal lands.  
DO NOT run engine in an enclosed area. Exhaust gases contain carbon monoxide, an  
odorless and possibly fatal poison.  
Part No 521302  
Form No F101910A  
4
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HP Owner’s Manual  
WARNING: IMPORTANT! This cutting machine is capable of amputating hands and feet and throwing objects.  
Failure to observe the following safety instructions could result in serious injury or death.  
DO NOT run this equipment indoors or in any poorly ventilated area. Refueling outdoors is recommended.  
DO NOT refuel this equipment while the engine is running. Allow engine to cool for at least two minutes before  
refueling.  
DO NOT store gasoline near an open flame.  
DO NOT remove gas cap while engine is running.  
DO NOT start or operate engine if strong odor of gasoline is present.  
DO NOT start or operate engine if gasoline is spilled. Move equipment away from spill until gasoline has completely  
evaporated.  
DO NOT smoke while filling the fuel tank.  
DO NOT check for spark with spark plug or spark plug wire removed. Use an approved spark tester.  
DO NOT operate engine without a muffler. Inspect muffler periodically and replace if necessary. If equipped with  
muffler deflector, inspect deflector periodically and replace if necessary.  
DO NOT operate engine with grass, leaves or other combustible material near the muffler.  
DO NOT touch muffler, cylinder, or cooling fins when hot. Contact with hot surfaces may cause severe burns.  
DO NOT leave equipment unattended while in operation.  
DO NOT park equipment on a steep grade or slope.  
DO NOT operate equipment with bystanders in or near the work area.  
DO NOT allow children to operate this equipment.  
DO NOT operate equipment with guards removed.  
DO NOT operate equipment near hot or burning debris or any toxic or explosive materials.  
DO NOT operate equipment on slopes greater than specified in Specifications section of this manual.  
DO NOT operate barefoot or wearing open sandals. Always wear substantial footwear  
DO NOT place hands or feet underneath unit, or near any moving parts.  
DO NOT pull mower backwards unless absolutely necessary  
DO NOT operate the mower while under the influence of alcohol or drugs.  
DO NOT operate mower in wet grass. Always be sure of your footing; keep a firm hold on the handle and walk; never  
run.  
DO NOT mow near drop-offs, ditches, or embankments. The operator could lose footing or balance  
DO NOT mow excessively steep slopes.  
DO NOT change the engine governor setting or overspeed the engine.  
ALWAYS Stop the blade(s) when crossing gravel drives, walks, or roads.  
ALWAYS Shut the engine (motor) off and wait until the blade comes to complete stop before removing grass catcher.  
ALWAYS Mow only in daylight or good artificial light.  
ALWAYS Disengage the self-propelled mechanism or drive clutch on mowers so equipped before starting the engine.  
ALWAYS wear safety goggles or safety glasses with side shields  
ALWAYS remove spark plug wire when servicing equipment to prevent accidental starting.  
ALWAYS check fuel lines and fittings frequently for cracks or leaks. Replace if necessary.  
ALWAYS store fuel in approved safety containers.  
ALWAYS wear proper foot apparel when mowing.  
WARNING: Important  
Remove all rocks, wire, string, etc. that can present a hazard during work prior to starting.  
DO identify and mark all fixed objects to be avoided during work such as sprinkler heads, water valves, limbs, or  
clothes line anchors, etc.  
Part No 521302  
Form No F101910A  
5
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HP Owner’s Manual  
SOUND  
SOUND LEVEL 82 dB(a) at Operator Position  
102 dB(a)  
Sound tests were conducted in accordance with 2000/14/EEC, and were performed on 9-24-2010 under the  
conditions listed below.  
Sound power level listed is the highest value for any model covered in this manual. Please refer to serial plate on  
the unit for the sound power level for your model.  
General Conditions:  
Temperature:  
Wind Speed:  
Wind Direction:  
Humidity:  
Barometric Pressure:  
Sunny  
69oF (21oC)  
10 mph (16.1 kmh)  
West  
56%  
30.16 Hg (102.13 kpa)  
VIBRATION DATA  
VIBRATION LEVEL .7 g (7.52m/s2)  
Vibration levels at the operator’s handles were measured in the vertical, lateral and longitudinal directions using  
calibrated vibration test equipment. Tests were performed on 9-24-10 under the conditions listed below.  
General Conditions:  
Temperature:  
Wind Speed:  
Wind Direction:  
Humidity:  
Barometric Pressure:  
Sunny  
69oF (21oC)  
10 mph (16.1 kmh)  
West  
56%  
30.16 Hg (102.13 kpa)  
INTENDED USE  
INTENDED USE: This unit is mainly designed for cutting grass. Some overgrown weeds, and taller grass may also  
be cut. Be sure to inspect work area and machine before operating. Make sure that all operators of this equipment  
are trained in general machine use and safety.  
Part No 521302  
Form No F101910A  
6
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HP Owner’s Manual  
INSTRUCTION LABELS  
The labels shown below were installed on your BILLY GOAT ® HP Mower. If any labels are damaged or missing, replace them before operating  
this equipment. Item numbers from the Illustrated Parts List and part numbers are provided for convenience in ordering replacement labels. The  
correct position for each label may be determined by referring to the Figure and Item numbers shown.  
LABEL DANGER KEEP HANDS  
AND FEET AWAY  
ITEM #71 P/N 400424  
DANGER FLYING DEBRIS  
ITEM #68 P/N 810736  
LABEL WARNING GUARDS  
ITEM #82 P/N 900327  
ENGINE LABELS  
BRIGGS AND STRATTON  
Note: Label may be differ from what is shown here  
THROTTLE AND CONTROL LABELS  
LABEL HP  
CONSOLE ITEM #13  
P/N 521301  
Part No 521302  
Form No F101910A  
7
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HP Owner’s Manual  
PACKING CHECKLIST  
Your Billy Goat Mower is shipped from the factory in one crate, completely assembled except for the  
handles and controls.  
READ all safety instructions before assembling unit.  
TAKE CAUTION when removing the unit from the box.  
PUT OIL IN ENGINE BEFORE STARTING  
PARTS BAG &  
LITERATURE ASSY  
Warranty card P/N- 400972, Owner’s Manual P/N-521302.  
Boxing Parts  
Checklist  
Briggs and  
Stratton Intek  
Parts Bag  
checklist  
Ty-wrap qty 4  
P/N-900407  
ASSEMBLY  
NOTE: All item numbers called out in the assembly, operation, and maintenance sections of this manual can be  
found on Parts List (pages 16-23).  
1. Remove the unit from the box, be careful when removing it as there are cables that could be damaged by the  
machine when rolling it out of the box.  
2. Attach the upper handle assembly to the lower handle assembly using the hardware found in the holes located on  
the lower handle.  
3. Attach the throttle cable to the upper handle with the hardware located in the hole on the right side of the upper  
handle.  
4. Attach the drive and blade cables levers to the upper handle using the hardware provided. Note: The blade cable  
will also need to be attached to the console. To attach it run one of the nuts off of the thread and slide the cable  
through the slot then run the nut back down and tightening it. The standard setting should be positioned near the  
bottom of the barrel of the cable. For fine tuning the lever see page 14 for cable tension adjustments.  
5. Make sure that all cables and levers function properly. They should not kink or bind in anyway.  
6. Using the Ty-wraps provided in the hardware bag, secure the cables. Make sure that no cable is coming into  
contact with a moving surface such as the wheels.  
7. Fill with oil and gas to the proper level and the unit is ready to mow.  
8. Read the rest of the operator’s manual.  
Part No 521302  
Form No F101910A  
8
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HP Owner’s Manual  
OPERATION  
Like all mechanical tools, reasonable care must be used when operating machine.  
Inspect machine work area and machine before operating. Make sure that all operators of this  
equipment are trained in general machine use and safety.  
PUT OIL IN ENGINE BEFORE STARTING  
STARTING  
ENGINE: See engine manufacturer’s instructions for type and amount of oil and gasoline used. Engine  
must be level when checking and filling oil and gasoline.  
ENGINE SPEED: Controlled by throttle lever on the upper handle.  
FUEL VALVE: Move fuel valve to "ON" position (when provided on engine).  
CHOKE: Operated with the throttle control by moving the throttle control to the full start position.  
THROTTLE: Move remote throttle control to fast position. Pull starting rope to start engine.  
1. Select desired cutting height before starting engine.  
2. Be sure drive lever or blade lever are not engaged.  
3. Choke if necessary.  
4. Pull back on starter rope slowly until resistance is felt. Then pull cord rapidly to start. Repeat if necessary.  
Do not operate if excessive vibration occurs. If excessive vibration occurs, shut engine off immediately and check for  
damaged or worn blade, loose blade bolt, loose engine or lodged foreign objects. Note: See maintenance section for  
proper blade bolt torque specifications.  
HANDLING & TRANSPORTING:  
Using two people to lift machine is recommended. Lift holding the handle and the caster arm at the front of  
deck. Secure in place during transport.  
Never lift the machine while the engine is running. ENGINE MUST BE OFF while handling, lifting, or  
transporting the unit on or off the vehicle.  
STORAGE  
Never store engine indoors or in enclosed poorly ventilated areas with fuel in tank, where fuel fumes may reach  
an open flame, spark or pilot light, such as a furnace, water heater, clothes dryer or other gas appliance.  
If engine is to be unused for 30 days or more, prepare as follows:  
Be sure engine is cool. Do not smoke. Remove all gasoline from carburetor and fuel tank to prevent gum  
deposits from forming on these parts and causing possible malfunction of engine. Drain fuel outdoors, into an  
approved container, away from open flame. Run engine until fuel tank is empty and engine runs out of gasoline.  
NOTE: Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage.  
Add stabilizer to gasoline in fuel tank or storage container. Always follow mix ratio found on stabilizer container.  
Run engine at least 10 min. after adding stabilizer to allow it to reach the carburetor.  
CAUTION: Wheels must be chocked or blocked when unit is parked on a slope.  
Part No 521302  
Form No F101910A  
9
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HP Owner’s Manual  
CUTTING OPERATION  
CAUTION: Shut off the blades when crossing gravel drives, walks or roads and under all conditions where thrown  
objects might be a hazard.  
CLEARING A CLOGGED CUTTING DECK: Turn engine off and wait for blade to stop completely. Disconnect  
spark plug wire and place the unit in gear to prevent the unit from rolling.  
Wearing durable gloves, remove clog. Danger, the clog may contain sharp materials. Reconnect spark plug  
wire.  
CAUTION: Use extreme care when operating the blades. Inspect the work area for foreign objects that could  
cause damage to the unit or injure the operator if struck by the blade. Never operate the blades with bystanders in  
the work area.  
GENERAL OPERATION: To engage the blades, depress the operator’s left hand control lever against operator’s  
handle. The blade is disengaged by releasing this lever. (See Fig. 16-5 next page) To engage the wheel drive lift the  
operator’s right hand control lever against operator’s handle. The drive is disengaged by releasing this lever.(See  
Fig. 16-6 next page) Ground speed can be varied by shifting gears as described on page 11. To begin cutting,  
engage the blade lever, allow the blade to spin up to speed, and engage the wheel drive to begin moving forward into  
the material to be cut.  
NOTE: Do not engage blades during transport between work sites. The blade should remain disengaged at all times  
when work is not being performed.  
The best performance is achieved when cutting in dry conditions. If the deck becomes choked with grass or debris  
during operation, back unit off of debris allowing machine to clear itself and continue cutting, or shut the unit off and  
clear the clog by hand (See above). A drop in engine RPM or a noticeable change in engine sound is usually a good  
indicator of a clogged discharge or other interference.  
Under most conditions cutting should be done in second or third gear. The quality of the cut produced is directly  
related to the unit's ground speed during cutting. If the quality of the cut is not satisfactory (i.e. material left standing)  
you should shift into a lower gear during cutting.  
CUTTING HEIGHT ADJUSTMENT  
CAUTION: DO NOT make cutting height adjustment when  
engine is running.  
Cutting height can be adjusted from 1.5" to 3.5" by placing spacers  
above or below caster spindles. For easiest adjustment change the  
height on one side at a time. To change cutting height, tilt the unit  
back, remove lynch pin, remove all spacers then set if off to the side,  
remove caster rig, add or subtract spacers, reinstall caster rig, place  
remainder of spacers if any, then reinsert lynch pin (see figure right).  
Repeat this step on other side. For finer adjustment relocate the  
bolts located on the deck brackets to change the angle of the deck.  
See the chart below for the corresponding positions and cutting  
heights  
NOTE: Be sure that the spacers are even on both casters. Running  
the deck out of level will result in poor cut quality.  
Cutting Height Chart  
Number of spacers below caster arm  
1 Spacer  
1.88"  
0 Spacers  
1.5"  
2 Spacers  
2"  
3 Spacers  
2.3"  
4 Spacers  
2.5"  
Bolts in position #1  
on deck  
Bolts in position #2  
on deck  
1.5"  
2"  
2"  
2.4"  
2.5"  
2.75"  
3"  
3"  
Bolts in position #3  
on deck  
1.75"  
3.5"  
Note  
that all cutting heights will be from the lowest cutting edge with standard blades  
Part No 521302  
Form No F101910A  
10  
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HP Owner’s Manual  
Blade Clutch Lever  
BLADE CLUTCH  
The HP mower blade clutch is controlled by an operator presence control. To  
engage the blade, depress the operator’s left hand control lever against  
operator’s handle. The blades are disengaged by releasing this lever. (See figure  
16-5)  
NOTE: The blade clutch must be either fully engaged for cutting or fully  
disengaged to bring the blades to a stop. Do not operate the unit with the blade  
clutch partially engaged. Premature belt wear and clutch failure will result from  
improper operation of the clutch.  
Operator’s handle (left hand side)  
Fig. 16-5  
CAUTION: Use extreme care when operating the blades. Inspect the work  
area for foreign objects that could cause damage to the unit or injure the operator  
if struck by the blade. Never operate the blades with bystanders in the work area.  
Never operate the blade without either the discharge deflector chute or the grass  
catcher in place.  
Operator’s handle (right hand side)  
PROPULSION  
This unit is self-propelled, and is controlled by an operator presence control. To  
engage the wheel drive, lift the operator's DRIVE lever on the right side against  
operator's handle. The drive is disengaged by releasing the lever. (See figure 16-  
6).  
GROUND SPEED can be varied by selecting a higher or lower gear using the  
gearshift lever on the frame (see figure 16-7). Note: Only change gear selection  
when unit is stopped. Under most conditions cutting should be done in second or  
third gear. The quality of the cut produced is directly related to the unit's ground  
speed during cutting. If the quality of the cut is not satisfactory (i.e. material left  
standing), you should shift into a lower gear during cutting.  
Drive lever  
-up to drive  
Fig. 16-6  
Fig. 16-7  
HILLSIDE MOWING  
WARNING! Never mow on any slope greater than 15 degrees. Always  
mow across the face of slopes; never up and down or diagonally (see figure  
16-8). DO NOT attempt sudden starts or stop when mowing on a slope.  
Avoid sudden turns and use extreme caution when changing direction on a  
slope.  
Fig. 16-8  
Part No 521302  
Form No F101910A  
11  
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HP Owner’s Manual  
MAINTENANCE  
PERIODIC MAINTENANCE  
Periodic maintenance should be performed at the following intervals:  
Maintenance Operation  
Every Use (daily) Every 5 hrs or (daily)  
Every 25 Hrs  
Every 50 Hrs  
(Yearly)  
Every 150 Hrs  
Inspect for loose, worn or damaged parts.  
Check for excessive vibration  
Inspect belt for wear  
Engine (See Engine Manual)  
Grease caster pivot points and lubricate height  
adjustment spacers  
Sharpen Blade  
Check tire pressure  
Note: inflate to mfr.’s specs. as shown on tire  
side wall  
Replace blade and traction belts  
Note: Blade, and drive belts are normal wear items. These should be inspected on a regular basis and replaced if  
worn. Also see your Billy Goat Dealer for servicing your machine.  
BLADE Removal / Sharpening  
NOTE: When sharpening the blade it is a good idea to check the balance of  
the blade. A properly balanced blade will increase life of the bearings and other  
components.  
DO NOT change the blades with the unit running.  
Tools required: ratchet, 15/16” inch socket, torque wrench, adequate support,  
block to inhibit blade rotation.  
1. Disconnect spark plug wire.  
2. Chock the back tires.  
3. Support front of unit to allow access to the blades.  
Note: Unit is heavy. Be sure support is adequate to prevent personal injury.  
4. Block the blade to prevent it from rotating during removal.  
For Each Spindle:  
5. Remove the blade bolt (Item 81), and lock washer (83).  
6. Remove the blade (12) and replace or sharpen the blade.  
NOTE: Use only B.G.I. Part no. 521109 (Standard blade) or B.G.I. Part no.  
521232 (Mulch blade).  
7. Reinstall the blade using all fasteners in the exact order they were removed.  
8. Torque blade screw to 55-60 ft-lbs.  
NOTE: Before installing the fasteners inspect them for wear and replace as  
necessary.  
9. Reconnect spark plug wire.  
Part No 521302  
Form No F101910A  
12  
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HP Owner’s Manual  
BELT REPLACEMENT  
When replacing one belt the other should be inspected for wear and replaced if worn. It  
is good practice to change both belts when either is worn beyond use. Use only original  
equipment belts for replacement. Billy Goat uses only premium quality, Kevlar corded  
and coated belts in your unit. Substitute belts do not meet the design and performance  
requirements for your unit, and will greatly reduce machine performance and belt life.  
Blade Drive Belt  
1. Disconnect spark plug wire.  
2. Remove the deck belt cover.  
3. Loosen but do not remove the idler pulley on the deck this will loosen tension and  
allow the belt to be removed from the two pulleys and disconnect the cable from the  
clutch.  
4. Place a blocks under the frame in front of the rear wheels for support and blocks  
under the deck. Then remove the clutch anti-rotation bracket.  
5. Remove the bolts attaching the deck to the frame, separating the two.  
6. Tilt the housing section backwards which will allow easier access to the clutch. Slip  
the belt off of the clutch.  
7. Replace the belt.  
8. Reattach the anti rotation bracket and clutch cable to the clutch.  
9. Reattach the deck to the housing.  
10. Loop the belt around the blade pulleys and tighten the idler pulley. this will put  
tension on the belt.  
11. Replace the cover.  
12. Reconnect spark plug wire.  
13. Start engine and check for proper operation of blade drive system. If necessary you  
can make adjustments to the cable tension on the console.  
Transaxle Drive Belt  
1. Disconnect spark plug wire.  
2. Follow steps 2 through 6 of the previous section.  
3. Loosen but do not remove the rear belt finger, rotate it out of the way so the belt can  
be removed. CAUTION do not bend the bracket in the process.  
4. Slide the belt off of the pulley on the transaxle and then slide it off of the clutch.  
5. Replace the belt with a new one. install it in reverse order that the old one was taken  
off.  
6. Hold the rear belt finger in place while re-tightening it.  
7. Install the blade belt removed .  
8. Follow steps 8 through 12 in the previous section.  
9. Start engine and check for proper operation of drive system. If necessary you can  
make adjustments to the cable tension on the engine base.  
WARNING: If the drive belt begins to squeal or slip, do not continue to operate your  
unit until adequate adjustment or repair has been performed. Improper adjustment can  
cause drive belt to slip and overheat, greatly reducing machine performance and  
transmission life.  
Part No 521302  
Form No F101910A  
13  
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HP Owner’s Manual  
CABLE ADJUSTMENTS  
Transaxle Drive Control Cable Adjustment  
When the transaxle drive belt slips, the drive control cable needs to be adjusted or the  
belt needs to be replaced with a new belt.  
Cable Adjustment:  
2. Using a ½ “ open end wrench, turn the inside adjusting nut counter-clockwise and  
back it off 1/8", then tighten the outboard adjusting nut against the support bracket (see  
figure 17-2).  
3. Check for proper operation. If the operation is not correct, repeat step 2.  
4. Replace the access door.  
The drive control cable adjustment should be the minimum amount required so the belt  
does not slip when the drive is engaged.  
Blade Drive Control Cable Adjustment  
When the blade drive control lever is depressed, the blades should turn and the blade  
drive belt should not slip. When the cable is properly adjusted the tension spring on the  
end of the control cable will open slightly (only enough for a piece of paper to slip  
between the coils). Cable Adjustment:  
1. Remove the belt cover and observe the tension spring on the end of the cable that  
attaches to the idler when the blade drive lever is depressed. The spring should just  
break open.  
2. If adjustment is required, using a ½” open end wrench, turn the inboard adjustment  
nut counter-clockwise and back it off 1/8". Then tighten the outboard adjustment nut  
against the cable support bracket (Item 49).  
3. Check the spring tension with the blade drive lever depressed.  
4. Readjust the control cable as needed for proper tension.  
5. Replace the deck belt cover.  
Note: Too much tension will shorten belt and bearing life and too little tension will allow  
the belt to slip.  
Part No 521302  
Form No F101910A  
14  
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HP Owner’s Manual  
Troubleshooting  
Problem  
Possible Cause  
Solution  
Engine will not start.  
Choke not on. Out of gasoline, bad or old gas. Spark plug wire  
disconnected. Dirty air cleaner. Blade clutch is engaged  
Move throttle to start position. Check Gasoline. Check for  
spark with an approved tester. Clean or replace air  
cleaner. Disengage the Blade clutch lever.  
Engine will not stop  
Engine runs poorly  
Damaged control cable. Harness Wire is disconnected or  
damaged. Damaged ignition switch.  
Replace control cable. Reconnect harness wire or replace  
if damaged. Replace switch.  
Spark plug wire loose. Engine RPM set too low. Carburetor out of Sharpen or replace blade (pg 12). Check engine RPM  
adjustment. Water or dirt in fuel system. Spark plug fouled, faulty (refer to engine manual). Adjust carburetor (refer to  
or wrong gap  
engine manual). Reset gap or replace spark plug (refer to  
engine manual).  
Abnormal vibration.  
Uneven cut  
· Loose or out of balance blade. Bent blade. Loose engine bolts  
Stop work immediately. Check blade mount and balance.  
Replace damaged or bent blade if required (pg 12). Check  
engine mount.  
Height adjust is not set correctly. Dull or bent blade. Tire pressure Be sure height adjust is set the same on both sides(pg  
low on one side. 10). Sharpen or replace blade (pg 12). Adjust pressure.  
Will not cut or has poor cutting performance Dull or bent Blade. Clogged deck. Engine running at too low RPM. Sharpen or replace blade (pg 12). Unclog deck(pg 10).  
Wet Grass. Excessively high grass.  
Check engine RPM (refer to engine manual). Do not mow  
when grass is wet. Mow once at a high cuting setting then  
mow again at desired setting or make a narrower cutting  
path.  
Belt slips or smokes  
No self propelling  
Belt tension too low. Belt worn or stretched. Pulleys worn or  
damaged. Control cable out of adjustment.  
Increase tension at idler (pg 14). Replace belt. Replace  
Pulleys. Adjust control cable  
Not set to gear. Out of adjustment clutch cable. Broken clutch  
cable. Worn or broken belt.  
Shift lever to desired gear. Adjust clutch cable(pg 14).  
Replace with new cable. Replace belt (pg 13).  
Self propelled drive will not release.  
Engine is locked, will not pull over.  
Clutch cable out of adjustment. Damaged drive clutch lever.  
Debris locked against blade. Damaged engine.  
Adjust clutch cable (pg 14). Replace drive clutch lever.  
Remove debris (pg 10). Refer to engine owner's manual.  
Replace control cable.  
When servicing engine refer to specific manufacturers engine owner's manual. All engine warranty is covered by the  
specific engine manufacturer. If your engine requires warranty or other repair work contact your local servicing  
engine dealer. When contacting a dealer for service it is a good idea to have your engine model number available  
for reference(See table page 12). If you cannot locate a servicing dealer in your area you can contact the  
manufacturers national service organization.  
To reach: Briggs & Stratton: 800-233-3723  
WARRANTY CLAIM PROCEDURE  
Should a BILLY GOAT machine fail due to a defect in material and/or workmanship, the owner should make a  
warranty claim as follows:  
®
The machine must be taken to the dealer from whom it was purchased or to an authorized Servicing BILLY  
GOAT Dealer.  
The owner must present the remaining half of the Warranty Registration Card, or, if this is not available, the  
invoice or receipt.  
The Warranty Claim will be completed by the authorized BILLY GOAT Dealer and submitted to their  
respective BILLY GOAT Distributor for their territory Attention: Service Manager. Any parts replaced under  
warranty must be tagged and retained for 90 days. The model number and serial number of the unit must  
be stated in the Warranty Claim.  
The distributor service manager will sign off on the claim and submit it to BILLY GOAT for consideration.  
The Technical Service Department at BILLY GOAT will study the claim and may request parts to be  
returned for examination. BILLY GOAT will notify their conclusions to the distributor service manager from  
whom the claim was received.  
The decision by the Technical Service Department at BILLY GOAT to approve or reject a Warranty Claim is  
final and binding.  
For online product registration go to www.billygoat.com  
Part No 521302  
Form No F101910A  
15  
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HP Owner’s Manual  
PARTS DRAWING HP  
Part No 521302  
Form No F101910A  
16  
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HP Owner’s Manual  
PARTS LIST  
Item No.  
1
Part Number  
521208  
521122  
521112  
521105  
521100  
521212  
521121  
521116  
521218  
500114  
8160003  
521115  
521117  
521123  
8171003  
8041031  
8177013  
8160002  
8041054  
890408  
8041050  
8181007  
8041028  
8042033  
8172019  
8041002  
520182  
521114  
Description  
Base Engine WA HP  
Belt 4L x 33  
Qty  
1
9
1
10  
15  
16  
19  
20  
23  
33  
35  
36  
37  
41  
42  
43  
44  
47  
49  
52  
55  
56  
64  
67  
80  
84  
85  
95  
107  
Belt 5l x 60  
1
Engine 10.5 HP Intek  
Clutch HP  
Idler Arm WA  
1
1
1
Pulley idler arm HP  
Bracket Anti-Rotation  
Brace Handle HP  
1
1
2
Bolt Shoulder 1/2" x 1"  
Nut Lock 3/8" - 16  
3
23  
2
Belt Finger Front HP  
Belt Finger Rear HP  
Spring Idler HP  
1
1
Washer 5/16 Flat ZP  
Screwcap 5/16-18 x 1/4" HEX ZP  
Washer lock 7/16" S/T Med  
Nut Lock 5/16-18 HEX ZP  
Screwcap 3/8" - 16 x 2"  
Screw 3/8" x 1 1/2" TCS  
Screwcap 3/8"-16 x 1" HCS ZP  
Washer Lock 1/4" External Tooth  
Screwcap 5/16-18 x 1" HEX ZP  
Screwcap 7/16-20 x 4 1/2" HCS GR. 5  
Washer 3/8 Sae  
62  
10  
1
16  
1
4
7
2
8
1
1
Screwcap 1/4" - 20 x 1/2" HCS ZP  
Oil Drain Plug  
Cable Clutch Blade HP  
1
1
1
Part No 521302  
Form No F101910A  
17  
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HP Owner’s Manual  
PARTS DRAWING HP  
Part No 521302  
Form No F101910A  
18  
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HP Owner’s Manual  
PARTS LIST  
Item No.  
2
Part Number  
521209  
521210  
520184  
521211  
521112  
521101  
521109  
521225  
521113  
521108  
441123  
8160003  
521111  
8171003  
8024062  
440153  
8160002  
8160005  
8172011  
8041107  
8041050  
8177012  
9201072  
8041052  
900154  
8181007  
520034  
520004  
8041028  
810736  
400424  
850443-P  
521110  
521307  
8042034  
8123128  
8042031  
900327  
8171010  
610363  
Description  
Deck WA HP  
Caster Arm WA HP  
Qty  
1
3
2
4
Bushing Flange 1" OD 3/4" ID  
Caster Bracket WA HP  
Belt 5l x 60  
4
5
2
10  
11  
12  
17  
18  
22  
24  
36  
39  
43  
45  
46  
49  
50  
51  
53  
56  
57  
58  
59  
63  
64  
65  
66  
67  
68  
71  
72  
73  
74  
76  
77  
81  
82  
83  
96  
1
Spindle Assy w/Pulley  
Blade 17.25"  
2
2
Spacer Fixed Idler  
Pulley Idler  
1
1
Guard Belt HP  
Wheel 8" od x 0.5" Bearing  
Nut Lock 3/8" - 16  
1
2
23  
1
Bracket Mount Deflector  
Washer 5/16 Flat ZP  
62  
4
Bolt Carriage 3/8-16 x 2"  
Washer 1.5 OD x .453 ID x .25 THK  
Nut Lock 5/16-18 HEX ZP  
Nut Lock 1/2 - 13 HEX ZP  
Washer 1/2" SAE ZP  
2
16  
3
5
Screwcap 1/2"-13 x 4 1/2" HCS ZP  
Screwcap 3/8"-16 x 1" HCS ZP  
Washer Lock 3/8" S/T Med  
Key 3/16" sq x 5/8"  
3
7
2
2
Screwcap 3/8" - 16 x 1/2" HCS ZP  
Screwcap 3/8"-24 x 1" HCS Gr. 8  
Washer Lock 1/4" External Tooth  
Bushing Caster Yoke Spacer  
Lynch Pin 3/16" x 1 9/16"  
Screwcap 5/16-18 x 1" HEX ZP  
Label Danger Flying Debris  
Label Warning Rotating Blades  
Impeller Washer Plated  
Deflector Rubber  
8
2
1
8
2
8
1
2
1
1
Label Badge Logo HP  
1
Screwcap 5/16-18 x 6 1/2" HCS ZP  
Screw self tap 5/16" x 3/4" HEX  
Screwcap 5/8"-18 x 1" HCS GR. 8  
Label Warning Guards  
1
7
2
2
Washer Lock 5/8" S/T Med  
Zerk Grease Fitting  
2
2
Part No 521302  
Form No F101910A  
19  
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HP Owner’s Manual  
PARTS DRAWING HP  
Part No 521302  
Form No F101910A  
20  
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HP Owner’s Manual  
PARTS LIST  
Item No.  
6
13  
Part Number  
521300  
521301  
521214  
521216  
521215  
521104  
500267  
521222  
521136  
521218  
500379  
8171003  
8041031  
8160002  
8172007  
8160001  
840045  
360284  
890132  
440193  
440124  
8041011  
8041032  
521124  
521114  
Description  
Label Logo HP  
Qty  
1
Label Instruction HP  
Handle Lower HP  
1
21  
26  
1
Handle Upper RH HP  
Handle Upper LH HP  
Lever Control Drive HP  
Grip Handle  
1
27  
28  
1
1
30  
31  
2
Console WA HP  
Lever Blade HP  
1
32  
33  
1
Brace Handle HP  
Grip Lever Orange  
2
34  
43  
1
Washer 5/16 Flat ZP  
Screwcap 5/16-18 x 1/4" HEX ZP  
Nut Lock 5/16-18 HEX ZP  
Washer 1/4" SAE  
62  
10  
16  
3
44  
49  
61  
69  
Nut Lock 1/4 - 20 HEX ZP  
Cable Control Throttle  
Bolt Shoulder 3/8" x 1 1/4"  
Plug Tube Insert 1" OD  
Pin Clip Hitch .051 x 3/4"  
Clevis Pin 0.25 x 0.50"  
Screwcap 1/4-20 x 2 1/4" HCS ZP  
Screwcap 5/16-18 x 2" HCS ZP  
Cable Clutch Wheel HP  
Cable Clutch Blade HP  
2
75  
87  
1
1
89  
90  
2
1
91  
92  
1
1
93  
2
106  
107  
1
1
Part No 521302  
Form No F101910A  
21  
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HP Owner’s Manual  
PARTS DRAWING HP  
Part No 521302  
Form No F101910A  
22  
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HP Owner’s Manual  
PARTS LIST  
Item No.  
7
Part Number  
521102  
521103  
Description  
Transaxle HP  
Qty  
1
8
Wheel 13" x 6.50 Pneu. SP  
Belt 4L x 33  
Bar Shift HP  
2
9
521122  
521120  
1
14  
25  
38  
40  
43  
54  
57  
60  
61  
62  
64  
77  
78  
79  
86  
94  
1
521119  
521125  
521135  
Pulley 5" x 5/8 ID  
1
Bracket Mount Clutch Cable  
Bar Brace Transmission  
Washer 5/16 Flat ZP  
1
1
8171003  
8041035  
8177012  
850233  
67  
4
Screwcap 5/16"-18 x 2 3/4" HCS ZP  
Washer Lock 3/8" S/T Med  
Snap Ring 5/8"  
2
1
8172007  
850408  
Washer 1/4" SAE  
3
Screwcap 1/4"-28 x 1/2" HCS Gr. 5 ZP  
Washer Lock 1/4" External Tooth  
Screw self tap 5/16" x 3/4" HEX  
Ring Snap 0.750  
1
8181007  
8123128  
850230  
2
7
2
9201087  
850238  
8177011  
Key 3/16" sq x 2 1/8"  
Washer .765" ID x 1.25 OD x .06"  
Washer Lock 5/16" S/T Med  
2
2
4
Part No 521302  
Form No F101910A  
23  
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HP Owner’s Manual  
MAINTENANCE RECORD  
Date  
Service Performed  
Part No 521302  
Form No F101910A  
24  
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