Snapper Lawn Mower Accessory 1693755 User Manual

ATTACHMENT  
OPERATOR’S  
MANUAL  
Snow/Dozer  
Blade & Hitch  
Snow Plow/Dozer Blade  
Mfg. No.  
Description  
1693754  
42” Remote Angling Snow Plow/Dozer Blade  
Hitch  
Mfg. No.  
Description  
1693755  
Hitch (for Express Series & Regent / 500 / 2500 Series)  
1721301-02  
Rev 1/2001  
TP 100-2353-02-AT-SMA  
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Safety Rules  
& Information  
Read these safety rules and follow them closely. Failure to obey these rules could result in loss of control  
of unit, severe personal injury or death to you, or bystanders, or damage to property or equipment.  
The triangle in text signifies important cautions or warnings which must be followed.  
GENERAL WARNINGS  
PREPARATION  
O Know the tractor controls and how to stop quickly.  
O Disengage the PTO before making any adjustments.  
READ THE TRACTOR OPERATOR’S MANUAL.  
O Never attempt to make any adjustments while engine  
O Read this manual and the tractor Operator’s Manual  
carefully. Be thoroughly familiar with the controls and  
the proper use of the equipment.  
is running.  
O Thoroughly inspect the area where the dozer is to be  
operated and remove all foreign objects.  
O Never allow children to operate the machine. Do not  
O Adjust the skid shoe height to clear gravel or crushed  
stone surface. See the Adjustments section for pro-  
cedure.  
allow adults to operate it without proper instruction.  
O Do not carry passengers.  
O Use only attachments or accessories designed for  
your machine. See your dealer for a complete list of  
recommended attachments or accessories.  
OPERATING SAFETY  
O Always clear snow up and down the face of slopes,  
never across the face. Exercise extreme caution  
when changing direction on slopes. Do not attempt to  
clear steep slopes.  
O Keep the area of operation clear of all persons, par-  
ticularly small children, and pets.  
O Never direct discharge towards bystanders.  
O Make sure all hardware is secure and that dozer  
O Exercise extreme caution when operating on, or  
crossing, gravel drives, walks or roads. Stay alert for  
hidden hazards or traffic.  
blade is in good operating condition.  
O Check to be sure all safety devices and shields are in  
place.  
O After striking an object or if unit starts to vibrate  
abnormally, stop the engine and remove the key.  
Check for the cause and any damage before restart-  
ing. Before any inspection, make sure all moving  
parts have stopped.  
O Check that all adjustments are correct before using  
this unit.  
O Gasoline is highly flammable. Follow all precautions  
listed in your tractor’s operator’s manual.  
O Always wear eye protection while operating and per-  
forming adjustments to protect eyes from debris  
thrown by the dozer.  
O Take all possible precautions before leaving opera-  
tor’s position. Lower the attachment, set the parking  
brake, stop the engine and remove the key.  
O When cleaning, repairing, or inspecting the unit make  
sure all moving parts have stopped. Disconnect and  
secure the spark plug wires and remove the key to  
prevent accidental starting.  
O Never operate near glass enclosures, automobiles,  
window wells, dropoffs, etc.  
O Do not put hands or feet near or under the dozer  
blade. Keep clear of the dozer blade at all times.  
O Do not overload machine capacity by attempting to  
clear too much material at too fast a rate.  
DANGER  
O Never operate unit at high transport speeds on slip-  
pery surfaces. Use care when travelling in reverse.  
OPERATING ON SLOPES  
CAN BE DANGEROUS  
For operation on slopes greater than 15% (8.5°),  
weight box, tire chains, and wheel weights are  
recommended. NEVER OPERATE ON SLOPES  
GREATER THAN 17.6% (10°).  
O Never operate the dozer blade without good visibility  
or light. Always be sure your feet are properly placed  
on the footrests and keep a firm hold on the steering  
wheel.  
O Do not run the engine indoors.  
O Never allow anyone in front of the unit.  
2
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Features  
& Controls  
B
CONTROL FUNCTIONS  
A
The information below briefly describes the  
function of individual controls. Operating the  
tractor and dozer require the combined use of  
these controls and additional controls whose  
operation is described in the tractor Operator’s  
Manual.  
Please Take a moment and  
familiarize yourself with the  
name, location, and function  
of these controls so that you  
will better understand the safe-  
ty and operating instructions  
provided in this manual.  
Figure 1. Control Locations  
A. Blade Angle Control Lever  
B. Attachment Lift  
A. Blade Angle Control Lever  
The blade angle release lever controls a spring-loaded  
plate which locks the blade in one of three positions.  
Use an abrupt pushing/pulling motion to release the  
angling mechanism and move the blade left or right.  
Push the angling lever forward fully to lock the blade in  
the left position. Pull the lever fully back to lock the  
blade in the right position. Move the lever slowly past  
center to lock in the centered position.  
NOTE: It is easier to change the angle of the blade with  
the attachment raised.  
B. Attachment Lift  
TRACTOR CONTROLS  
The attachment lift lever raises and lowers the dozer  
blade. To RAISE an attachment, depress the release  
button on top of the lever and pull back. To LOWER an  
attachment, depress the release button and move the  
lever forward.  
Before you begin operating the tractor with the dozer  
blade attachment, make certain you have:  
• Read and understood the instructions in the  
tractor Operator’s Manual.  
• Become thoroughly familiar with all of the  
tractor controls and their operation, including  
how to safely and properly start and stop the  
unit.  
The back notch suspends the blade for transporting to  
and from the worksite. The middle notch is the “float”  
position. The front notch applies downward pressure on  
the blade. See the Adjustments section for proper blade  
adjustment.  
• Practice driving in an open area—without doz-  
ing—to become accustomed to the unit.  
3
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General  
Operating Instructions  
Checks Before Starting  
WARNING  
1. Refer to the Maintenance & Adjustments sections of  
this manual and perform any needed service. Also,  
refer to the tractor Operator’s Manual and perform  
any required service.  
Perform the Safety System Interlock test found in  
your tractor Operator’s Manual. If tractor does not  
pass the test, do not operate the tractor. See your  
authorized dealer. Under no circumstances  
should you attempt to defeat the safety system.  
2. Remove any objects from the work area which might  
interfere with plowing activity.  
Use caution when plowing a snow covered area.  
Snow can cover objects such as curbs, drop-offs,  
and other obstacles. Be familiar with the area you  
are plowing.  
3. Adjust the skid shoes to desired height. See Skid  
Shoe Adjustment.  
4. Make sure all hardware is present and secure.  
To prevent an explosion or fire, never store the  
tractor with fuel in the tank inside a building  
where an ignition source is present.  
Engine & Ground Speed Selection  
Always run the engine at full throttle.  
Set tractor speed to obtain the needed power to move  
the material. Operate at a safe speed, depending on  
conditions, so that you have complete control of the trac-  
tor. Rear wheel weights and chains are recommended  
for slippery surfaces.  
IMPORTANT NOTE  
To prevent damage to the unit, always  
raise the dozer blade BEFORE turning or  
backing up.  
A rear weight carrier is recommended for additional trac-  
tion.  
DANGER  
OPERATING ON SLOPES CAN BE DANGEROUS  
Transporting  
Never operate on slopes greater than 17.6% (10°)  
which is a rise of 3-1/2 feet (106cm) vertically in  
10 feet (607cm) horizontally.  
For maximum ground clearance, transport the blade to  
and from work areas fully raised and angled straight  
ahead.  
Operate the unit at a slow ground speed when  
driving onto slope. Avoid using brakes to control  
ground speed.  
Starting & Stopping  
When operating on slopes that are greater than  
15 % (8.5°) but less than 17.6%, use additional  
wheel weights or counterweights.  
1. Start the tractor engine. Set engine throttle to full.  
2. Raise the attachment lift and travel to the work site.  
3. Set the angling control to the desired angle.  
4. Lower the attachment lift and begin plowing.  
5. Raise the plow before backing up.  
In addition to counterweights, use extra caution  
when operating on slopes. Drive UP and DOWN  
the slope, never across the face, use caution  
when changing directions and DO NOT START  
OR STOP ON SLOPE.  
6. To stop the tractor, set ground speed to neutral and  
set the parking brake. Before leaving the seat, stop  
the engine, set the parking brake, remove the key,  
and wait for all moving parts to stop.  
For additional traction, tire chains and a weight  
box can be added. Maximum weight added to  
tractor should not exceed 35 lbs. per wheel and  
100 additional lbs. in weight box.  
4
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General Operating Instructions  
Changing Angle of the Blade:  
Snow Plowing Tips  
See Figure 1 for location of Controls.  
• Determine the best snow removal pattern before  
beginning.  
NOTE: It is easier to change the angle of the blade with  
the attachment raised.  
• Plan the pattern so that you avoid pushing snow onto  
cleared areas.  
1. Raise the attachment lift.  
• When land contour permits, it is best to travel in the  
longest direction to minimize turning.  
2. Use an abrupt pushing/pulling motion to release the  
angling mechanism and move the blade left or right.  
Push the angling lever forward fully to lock the blade  
in the left position. Pull the lever fully back to lock the  
blade in the right position. Move the lever slowly over  
center to lock in the centered position.  
• In very deep or heavy snow, it may be necessary to  
make the first pass with dozer blade partially raised,  
then repeat each pass with the blade lowered to clear  
the material left on the surface. Also, it may be nec-  
essary to clear less than the full width of the dozer  
blade or reduce ground speed.  
Dozing Tips  
• Snow tends to freeze into solid banks when plowed  
off a driveway or other large area. Because of this  
you may want to plow snow several feet past the  
edge of the drive to allow space for future plowing to  
build up.  
• Determine the best dozing pattern before beginning.  
• When land contour permits, it is best to travel in the  
longest direction to minimize turning.  
• In very deep snow or gravel, it may be necessary to  
make the first pass with dozer blade partially raised,  
then repeat each pass with the blade lowered to clear  
the material left on the surface. Also, it may be nec-  
essary to clear less than the full width of the dozer  
blade or reduce ground speed.  
• If pushing snow past the edges of driveways or side-  
walks, be careful not to tear up the grass buried  
under snow next to the drive or sidewalk. Lift the  
blade several inches off the ground to avoid damag-  
ing the grass.  
• Spinning tires with tire chains can leave unsightly  
marks or permanent damage to asphalt or concrete  
driveways or sidewalks. Avoid sudden stops or  
starts.  
• When dozing, push the dirt to the desired location,  
then drag the blade backwards for final leveling. Pack  
down the dirt or gravel by driving the tractor over the  
leveled area.  
• Use any slight grade to your advantage, doze down-  
hill, and set the blade angle so that the plowed mater-  
ial is moving downhill as it leaves the blade.  
Storage  
Off-Season Storage  
IMPORTANT NOTE  
Refer to Tractor Operator’s Manual for  
important information concerning safely  
storing your tractor.  
1. Remove dozer blade and hitch from the tractor.  
2. Use water pressure or a brush to thoroughly clean  
the dozer blade.  
3. Paint, or lightly coat with oil, any area where paint  
has been worn or chipped away.  
Daily Storage  
4. Lubricate the dozer blade.  
1. Allow tractor engine to cool before storing in any  
enclosure.  
5. Store the dozer blade and hitch in a dry place.  
2. After dozing or plowing jobs are completed, hose or  
brush down the blade to remove excess dirt.  
3. Lightly oil all pivot points. Coat bare metal surfaces to  
prevent corrosion.  
5
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Maintenance  
WARNING  
Lubricate Dozer Blade  
To avoid serious injury, perform maintenance on  
the tractor or dozer blade only when the engine is  
stopped, parking brake is set and all moving parts  
have stopped. Always remove the ignition key  
before beginning maintenance or adjustments to  
prevent accidental starting of the engine.  
Lubricate the dozer blade as shown in Figure 2. Where  
an oil can is shown, wipe the area clean, apply a few  
drops of oil (SAE 30), then wipe up drips or spills.  
In general, linkage connections and other parts that have  
partial rotational or sliding movement should be lubricat-  
ed periodically with SAE 30 weight oil. Avoid applying  
excessive amounts of oil since this may cause a build-up  
of dirt around the lubricated area, making subsequent  
lubrication more difficult to accomplish.  
Schedule For Normal Care  
Care Required  
Schedule  
Clean debris from  
dozer blade.  
After each use.  
Lubricate dozer blade.  
Every 10 hours or at  
least once a year.  
Figure 2. Lubrication Points  
6
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Adjustments  
Skid Shoe Adjustment  
Slotted holes are provided to permit adjustment of the  
shoe assemblies for raising and lowering the blade to  
various working heights (see Figure 3).  
When cleaning snow from gravel or earth drives or  
walks, the shoe assemblies should be lowered fully to  
prevent blade contact with gravel or ground. When  
cleaning smooth hard surfaces like concrete, the shoe  
assemblies are normally placed fully up to allow the  
blade to scrape the surface.  
To adjust the skid, raise the blade off the ground and  
block with a piece of wood. Loosen the bolts (B, Figure  
3) and move the skid shoes (A) up or down to desired  
height. Tighten the bolts securely.  
Figure 3.  
A. Skid Shoes  
B. Bolts  
Spring Tension  
See Figure 4. This snow plow/dozer blade is spring  
loaded so that when the blade strikes a solid object, the  
springs will allow the blade to release as shown, rather  
than cause damage. The blade will go back to its original  
position after object is cleared.  
Figure 4. Dozer Blade “Released”  
See Figure 5. To adjust spring tension hold rear nut (B)  
and loosen front nut (E). Tighten rear nut (B) to increase  
spring tension, or loosen to decrease tension.  
For initial adjustment, tighten nut (B) on each eyebolt  
enough to expose about 3/4" (19mm) of thread. Tighten  
front nut (E) against rear nut (B) to lock adjustment in  
place.  
Figure 5. Tension Springs  
A. Eyebolt  
B. Nut, 5/16  
C. Spring  
D. Pivot Frame  
E. Nut, 5/16  
7
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Adjustments  
Lift Rod Adjustment  
A
B
The lift lever can be placed in one of three notches and  
is held in position by the lever latch. (see Figure 7).  
When the lever latch is placed in notch 1 the lift lever  
should be applying downward pressure on the attach-  
ment. In position 2, the floatposition, the attachment  
should experience negligible upward or downward pres-  
sure. Position 3 should raise the attachment approxi-  
mately 6above the ground.  
C
D
E
NOTE: Always adjust the lift height before and after  
adjusting the downward pressure.  
LIFT HEIGHT ADJUSTMENT  
1. Place the lever latch in notch 3 (see Figure 7). The  
snowthrower should be approximately 6off the  
ground. If not, go to step 2.  
Figure 6. Adjusting Lift Rod  
A. Front Set Collar  
B. Rod Guide  
C. Spring  
D. Rear Set Collar  
E. Spring Clip  
2. Lower the attachment and adjust the front set collar  
(A, Figure 7) to achieve the correct lift height.  
DOWNWARD PRESSURE ADJUSTMENT  
Notch 1  
IMPORTANT NOTE  
Notch 2  
Notch 3  
DO NOT OVER-COMPRESS THE SPRINGS.  
In addition to providing downward pressure,  
the springs are an elastic medium that  
absorbs shocks caused by bumps and  
cracks in ground surfaces. Over-compress-  
ing the springs defeats this and may cause  
damage to the unit.  
1. Move the lever latch from notch 2 to notch 1 (See  
Figure 7).  
2. The spring (C, Figure 6) should be slightly com-  
pressed applying downward pressure to the  
snowthrower. If not, adjust the rear set collar (D,  
Figure 6) to achieve the desired amount of downward  
force. Do not over-compress the lift rod spring.  
Figure 7. Lift Lever Quadrant - Side View  
8
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Initial Setup  
& Assembly  
Packaged with Hitch  
1
4
31  
32  
33  
5
4
3
6
4
30  
2
4
3
34  
8
9
7
35  
10  
36  
29  
39  
28  
37  
36  
11  
12  
27  
2
26  
25  
38  
22  
10  
24  
23  
Control Rod Guide  
Used with Snowcabs  
40  
41  
34  
21  
20  
42  
19  
16  
34  
18  
17  
43  
13  
15  
14  
16  
Figure 8.  
Ref Qty Description  
Ref Qty Description  
LOCKNUT, 1/2-13  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
1
6
2
4
2
1
1
1
1
3
1
1
1
6
ROD, Control Handle, Upper  
NUT, Hex, 5/16-18  
LOCKWASHER, 5/16  
WASHER, 5/16  
CAPSCREW, 5/16-18 x 1-1/4  
ROD, Control Handle, Lower  
CLEVIS  
WASHER, 1/2  
CLIP, Hair Pin  
COTTER PIN  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
2
1
2
2
1
1
2
1
1
1
2
4
2
2
1
1
2
1
1
1
1
FRAME ASMY, Dozer  
EYEBOLT  
SPRING, Extension  
CLIP, Hair Pin  
PLATE ASMY, Latch  
SPRING, Torsion  
EYEBOLT, 1/4-20 x 1-1/2  
LOCKNUT, Nylock, 1/4-20  
BRACKET, Control Rod  
CARRIAGE BOLT, 5/16-18 x 1-1/4  
WASHER, 5/16  
LOCKNUT, Center, 5/16-18  
PIN, Clevis  
PIN, Clevis  
CLIP, Hair Pin  
CLIP, Safety  
CAPSCREW, 5/16-18 x 1-1/2  
BRACKET, Control Rod  
NUT, Hex, Full, 5/16  
LOCKWASHER, 5/16  
ROD & PLATE ASMY, Pivot  
DOZER BLADE ASMY, 42”  
SCRAPER BAR  
CARRIAGE BOLT, 3/8-16 x 1  
10 LOCKWASHER, 3/8  
6
2
4
4
2
2
1
NUT, Hex, 3/8-16  
SKID SHOE  
WASHER, Plain, 3/8  
CAPSCREW, 3/8-16 x 3/4  
CAPSCREW, 1/2-13 x 1-1/2  
SPACER, 1/2 ID x 3/4 OD x 5/16 LG  
ROD, Latch Stop  
9
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Components  
F
C
B
C
D
E
D
M
A
L
J
K
F
Q
P
I
N
O
G
F
H
Q
G
Figure 9. Hitch Assembly  
A. Hitch Assy.  
J. Capscrew, 3/8-16 x 2  
B. Rear Support Assy.  
C. Washers (Qty. 2)  
D. Hairpin Clip (Qty. 2)  
E. Pin  
K. Spacer, 25/64 x 5/8 x 17/64  
L. Spacer, 13/32 x 1 x 13/16  
M. Nut, Whizlock, 3/8-16  
N. Lockwasher, 1/2  
F. Safety Clip (Qty. 4)  
G. Clevis Pin, 3/8 (Qty. 2)  
H. Rod  
O. Hex Nut, 1/2-13  
P. Capscrew, 1/2-13 x 1-1/4  
Q. Upstop (Qty. 2)  
I. Spring Assist Bracket  
10  
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Initial Setup & Assembly  
Figure 10. Bar Stop  
A. Bar Stop  
B. Taptite Screw, 5/16-18 x 1  
Figure 11. Tension Springs  
A. Eyebolt  
B. Nut, 5/16  
C. Spring  
D. Pivot Frame  
E. Nut, 5/16  
INITIAL SETUP & ASSEMBLY  
NOTE: Some of the following setup procedures may  
already be completed.  
Assemble Blade  
E
1. Place the blade on a flat surface.  
2. See Figure 10. Install one bar stop (A) using the two  
5/16-18 x 1 taptite screws (B). Do not install second  
bar stop.  
A
3. See Figure 11. Insert threaded end of eyebolt (A)  
through lug on blade, and screw on 5/16 nut (B) just  
far enough so that it is flush with the end of the eye-  
bolt.  
4. See Figure 11. Hook the springs (C) into the pivot  
frame (D). Using a pliers, stretch the springs to hook  
the opposite ends to the eyebolts (A).  
B
D
C
5. See Figure 11. Tighten the nut (B) on each eyebolt  
enough to expose about 3/4" (19 mm) of thread.  
Figure 12. Spring Assist Bracket  
A. Spring Assist Bracket  
B. Capscrew, 1/2-13 x 1-1/4  
C. Lockwasher, 1/2  
D. Hex Nut, 1/2-13  
E. Hitch  
6. See Figure 11. Holding the first nut (B) with a  
wrench,add a second nut (E) to each eyebolt, and  
tighten securely against the first nut to act as a jam  
nut.  
Assemble & Install Hitch  
1. See Figure 12. Assemble the spring-assist bracket  
(A) to the hitch assembly (E). Secure with capscrew,  
lockwasher, and nut.  
11  
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Initial Setup & Assembly  
2. Increase front tire pressure to 20 psi (138 kPa) to  
compensate for added weight of the hitch, plus bar  
and blade. Be sure both tires have equal pressure.  
A
3. From the front of tractor, slide the hitch under the  
tractor so that the hitch bar is positioned at the front of  
the unit.  
C
4. See Figure 13. Turn the wheels fully left and lift the  
front hitch bar (A) up onto the tractor brackets (D).  
Make sure it is fully seated into the tractor brackets.  
Install the long hitch pin (B) through the bracket (bot-  
tom rear holes) and up-stop brackets (E). Secure it  
with the safety clip (C).  
E
B
D
NOTE: If your tractor is not equipped with the Large Lift  
Lever, install it at this time. Follow the instructions sup-  
plied with the kit.  
Figure 13. Installing Hitch to Front of Tractor  
A. Hitch Bar  
B. Hitch Pin  
C. Safety Clip  
D. Tractor Brackets  
E. Up-Stop Brackets  
Note that the rear bracket (A, Figure 14) is mounted  
using the lift lever rod (B). After installation, the lift lever  
rod assy. can be removed by pivoting the lift lever fully  
forward until it is parallel to the ground, and sliding it out  
of the quadrant  
5. See Figure 14. Slide the rear bracket (A), and wash-  
ers (D), onto the lift lever shaft, and secure with the  
hairpin clips (C).  
K
C
6. See Figure 14. Position the rear plate of the hitch  
assembly between the hanger tabs on the rear brack-  
et, and secure at the top mounting hole using the cle-  
vis pin (F), and hairpin clip (K).  
B
A
J
D
F
7. See Figure 14. Install the capscrew (G), spacers (H &  
I), and whizlock nut (J) in the lower mounting hole as  
shown, and tighten securely.  
E
G
H
I
8. The hitch assembly is now assembled to the unit, and  
you may proceed to installation of the push bar and  
blade.  
Figure 14. Installing Hitch to Rear Bracket  
A. Rear Bracket G. Capscrew, 3/8-16 x 2  
B. Lift Lever Rod H. Spacer, 25/64 x 5/8 x 17/64  
C. Hairpin Clip  
D. Washer  
E. Hitch  
I. Spacer, 13/32 x 1 x 13/16  
J. Nut, Whizlock, 3/8-16  
K. Hairpin Clip  
F. Clevis Pin  
12  
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Initial Setup & Assembly  
Install Push Bar  
C
1. Drive the tractor over the push bar until the rear of the  
push bar is positioned between the side rail exten-  
sions on the front of the hitch.  
2. Stop engine, remove key and set parking brake.  
D
3. See Figure 15. Align the mounting holes in the rear  
corners of the push bar (A) with the mounting holes in  
the hitch (B), and secure the push bar to the hitch  
with a clevis pin (C), and safety clip (D) at each cor-  
ner.  
B
A
Figure 15.  
A. Push Bar  
B. Hitch  
C. Clevis Pin  
D. Safety Clip  
(Not shown)  
4. See Figure 16. Insert front of push bar (A) into pivot  
frame (B) on rear of blade. Then install the pivot pin  
(C) down thru front holes in hitch and pivot frame.  
Secure with spring clip (D).  
Figure 16. Dozer Blade Assembled and Installed  
A. Push Bar  
B. Pivot Frame  
C. Pivot Pin  
D. Spring Clip  
13  
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Initial Setup & Assembly  
D
C
B
C
B
A
A
Figure 17. Lift Rod Assembly  
A. Set Collars  
B. Rod Guide  
C. Spring  
D. Lift Rod  
Figure 19. Installing Lift Rod to Manual Lift Lever  
A. Lift Rod  
B. Manual Lift Lever  
C. Spring Clip  
C
B
A
E
A
Figure 18. Lift Rod Installation  
A. Rod Guide  
B. Push Bar  
C. Spring Clip  
C
D
B
Figure 20. Install Lift Assist Chain  
A. Clevis Pin  
B. Spring  
C. Chain  
D. Safety Clip  
E. 5/16 Washers  
Install Lift Rod  
4. Raise the dozer using the lift lever. Support the  
1. Assemble lift rod as shown in Figure17.  
weight of the blade using wood blocks. Install the lift  
assist spring as shown in Figure 20.  
2. See Figure 18. Insert the rod guide (A) through the  
hole in the push bar (B), and secure with spring clip  
(C).  
3. See Figure 19. Connect rear of lift rod (A) to manual  
lift lever (B), and secure with spring clip (C).  
5. Perform lift rod adjustment (see Adjustments sec-  
tion).  
14  
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Initial Setup & Assembly  
B
A
C
B
A
Figure 21. Underside of Left Footrest.  
A. Carriage Bolt, Lockwasher, & Nut  
B. Pedal Plate  
Figure 22. Control Rod Support  
A. Support  
B. 5/16-18 x 1-1/4 Carriage Bolts  
C. 5/16 Lockwashers & Nuts  
Install Angling Control Rod  
NOTE: If installing the dozer attachment on a unit  
equipped with a snowcab, replace the control rod sup-  
port (A, Figure 22) with the hanging support (Ref. No. 41,  
Figure 8). Mount the hanging support to the front cab  
cross-bar.  
D
C
B
A
E
1. Remove and discard the two rear nuts, lockwashers,  
and carriage bolts (A, Figure 21) securing the back of  
the foot pedal plate (B).  
F
2. Using the foot pedal plate (B) as a guide, drill two  
5/16holes up through the foot pedal pad.  
3. Set the angling control support (A, Figure 22) on the  
foot rest pad. Insert two 5/16-18 x 1-1/4 carriage  
bolts (B) through the support, footrest pad, footrest,  
and foot pedal plate. Secure using new lockwashers  
and nuts (C).  
G
4. Connect the lower angling rod (F, Figure 23) to the  
dozer release lever using a hair pin clip and washer  
(G).  
5. Insert the upper control rod (C) through the eyelet  
(B), and secure the eyelet to the support using a 1/4-  
20 nylock nut (A).  
Figure 23. Assemble Control Rods  
A. 1/4-20 Nylock Nut  
B. Eyelet  
NOTE: It may be necessary to leave the eyelet nut (A,  
Figure 23) loose to prevent binding.  
6 Secure the upper rod (C) to the lower rod (F) using  
two 5/16-18 x 1-1/4 capscrews (D), washers (qty. 4),  
lockwashers, and nuts (E). NOTE: Match offset to  
offset so the rods form a straight line.  
C. Upper Control Rod  
D. 5/16-18 x 1-1/4 Capscrew  
E. 5/16 Washers, Lockwashers, & Nuts  
F. Lower Control Rod  
G. Hair Pin Clip & Washer  
15  
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Removing &  
Attaching the Hitch & Blade  
A
B
B
C
D
F
E
F
Figure 24. Dozer Removal  
A. Support Arm  
B. Hair Pin Clip  
C. Pivot Pin  
D. Hair Pin Clip & Washer  
E. Clevis Pin  
F. Clevis Pins  
REMOVAL & INSTALLATION  
Removing & Attaching Dozer Blade  
5. Raise the push bar and remove pin (E) securing the  
chain to the hitch bracket.  
1. Lower the blade. Put the lift lever in the middle notch  
(float position).  
6. Lower the lift and remove the pins (B) securing the lift  
rod to the push bar and lift rod.  
2. Remove the hair pin clip and washer (D, Figure 24)  
securing the angling control rod to the clevis.  
Disconnect the angling control rod.  
7. Remove the pins (F) securing the push bar to the  
tractor hitch.  
3. Remove the angling control rod from the  
support arm (A).  
8. Reinstall all pins for storage.  
Install in reverse order of removal.  
4. Remove the pivot pin (C) connecting the blade and  
pushbar. Remove the blade.  
16  
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Removing & Attaching  
1
K
C
B
J
A
D
F
2
E
G
H
I
Figure 25. Installing Hitch to Rear Bracket  
A. Rear Bracket G. Capscrew, 3/8-16 x 2  
B. Lift Lever Rod H. Spacer, 25/64 x 5/8 x 17/64  
3
C. Hairpin Clip  
D. Washer  
E. Hitch  
I. Spacer, 13/32 x 1 x 13/16  
J. Nut, Whizlock, 3/8-16  
K. Hairpin Clip  
F. Clevis Pin  
A
Figure 26. Lift Lever Removal  
A. Capscrew Location (Remove)  
Removing & Attaching Hitch  
1. Remove the safety clip (K, Figure 25).  
A
2. Remove the spring clips (C) securing the rear hitch  
bracket (A) to the lift lever rod (B).  
3. See Figure 26. Remove the caspcrew from location  
(A). Depress the lift lever release button and rotate  
the lever forward until the lever latch clears the  
mounting bracket. Slide the lever and rod assembly  
out of the hitch bracket and mounting bracket.  
C
E
B
D
4. See Figure 27. Remove the safety clip (C) and long  
hitch pin (B) from the front of the hitch. Remove the  
hitch from the front tractor brackets.  
Install in reverse order of removal.  
Figure 27. Installing Hitch to Front of Tractor  
A. Hitch Bar  
B. Hitch Pin  
C. Safety Clip  
D. Tractor Brackets  
E. Up-Stop Brackets  
17  
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Hardware Identification & Torque Specifications  
Common Hardware Types  
Torque Specification Chart  
Hex Head Capscrew  
FOR STANDARD MACHINE HARDWARE (Tolerance 20%)  
Washer  
No  
Marks  
Hardware  
Grade  
Lockwasher  
Carriage Bolt  
SAE Grade 2  
SAE Grade 5  
SAE Grade 8  
Hex Nut  
Size Of  
in/lbs  
in/lbs  
in/lbs  
Hardware ft/lbs  
Nm.  
2.1  
2.3  
3.1  
3.5  
7.6  
ft/lbs  
Nm.  
3.4  
3.5  
4.9  
5.5  
10.9  
13.6  
23.1  
25.8  
40.8  
ft/lbs  
Nm.  
4.6  
4.9  
6.8  
7.7  
16.3  
19.0  
34.0  
34.0  
61.2  
Standard Hardware Sizing  
8-32  
8-36  
19  
20  
30  
31  
43  
49  
8
10  
17  
19  
30  
35  
50  
55  
75  
41  
43  
60  
68  
12  
14  
25  
27  
45  
When a washer or nut is identified as 1/2, this is the  
Nominal size, meaning the inside diameter is 1/2 inch; if a  
second number is present it represent the threads per inch  
10-24  
10-32  
1/4-20  
1/4-28  
5/16-18  
5/16-24  
3/8-16  
3/8-24  
7/16-14  
7/16-20  
1/2-13  
1/2-20  
9/16-12  
9/16-18  
5/8-11  
5/8-18  
3/4-10  
3/4-16  
7/8-9  
27  
31  
66  
76  
11  
12  
20  
23  
30  
35  
50  
55  
65  
75  
90  
100  
160  
180  
140  
155  
220  
240  
When bolt or capscrew is identified as 1/2 - 16 x 2, this  
means the Nominal size, or body diameter is 1/2 inch; the  
second number represents the threads per inch (16 in this  
example, and the final number is the body length of the  
bolt or screw (in this example 2 inches long).  
8.6  
15.0  
16.3  
27.2  
31.3  
40.8  
47.6  
68.0  
74.8  
88.4  
102.0  
122.4  
136  
217.6  
244.8  
190.4  
210.8  
299.2  
326.4  
The guides and ruler furnished below are designed to  
help you select the appropriate hardware and tools.  
47.6  
68.0  
74.8  
50  
70  
80  
68.0  
95.2  
108.8  
149.6  
163.2  
204.0  
231.2  
299.2  
326.4  
525.0  
571.2  
816.0  
897.6  
102.0  
122.4  
149.6  
163.2  
204.0  
244.8  
353.6  
408.0  
544.0  
598.4  
788.8  
110  
120  
150  
170  
220  
240  
386  
420  
600  
660  
Nut, 1/2”  
90  
Inside  
110  
120  
150  
180  
260  
300  
400  
440  
580  
640  
Diameter  
7/8-14  
1-8  
1-12  
Screw, 1/2 x 2  
900 1,244.0  
Body  
Diameter  
870.4 1,000 1,360.0  
NOTES  
1. These torque values are to be used for all hardware  
excluding: locknuts, self-tapping screws, thread forming  
screws, sheet metal screws and socket head setscrews.  
Body  
Length  
2. Recommended seating torque values for locknuts:  
a. for prevailing torque locknuts - use 65% of grade 5  
torques.  
b. for flange whizlock nuts and screws - use 135% of  
grade 5 torques.  
3. Unless otherwise noted on assembly drawings, all torque  
values must meet this specification.  
Wrench & Fastener Size Guide  
1/2  
7/16  
DIA.  
DIA.  
3/8  
5/16  
1/4  
1/4Bolt or Nut  
Wrench7/16”  
5/16Bolt or Nut  
Wrench1/2”  
3/8Bolt or Nut  
Wrench9/16”  
7/16Bolt or Nut  
Wrench (Bolt)5/8”  
Wrench (Nut)11/16”  
1/2Bolt or Nut  
Wrench3/4”  
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Simplicity Mfg. Inc.  
500 N Spring Street / PO Box 997  
Port Washington, WI 53074-0997 USA  
© Copyright 2000 Simplicity Manufacturing, Inc.  
All Rights Reserved. Printed in USA.  
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