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User manual Gravely, model 20981

Manafacture: Gravely
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Snowblower Weldment, Body; 44 In. Snowblower Weldment, Crank Support Bolt, Hex; 1/4-20 x 7/8 3.0 CONNECTING THE SNOWBLOWER TO THE TWO WHEEL TRACTOR 1. Install the Quick Hitch Pin Kit as shown 8. Put the ring pin through the hole in the end of the in figure 3.0-1. quick hitch pin as shown in figure 3.0-2. 1 -Quick Hitch Pin 2 - Bolt 3 -Attachment Adapter 4 --- Bushing Figure 3.0-1 2. Put the bushing on the 1/2" x 2-3/4" Bolt and fasten to the upper, left quick hitch stud as shown in figure 3.0-1. 3. Apply multi-purpose grease to the quick hitch pin and power take-off (PTO) shaft on the tractor. 4. Put the universal joint on the snowblower drive shaft as far as it will go. 5. Move the tractor putting the quick hitch pin three and one half inches into the snowblower support. 6. Put the other end of the universal joint on the PTO shaft of the tractor. 7. Move the tractor putting the quick hitch pin all the way through the snowblower support. f 1 - Ring Pin 2 -Snowblower Support 3 -Universal Joint Figure 3.0-2 To remove the snowblower from the tractor, remove the ring pin. Separate the tractor and snowblower and keep the universal joint with the snowblower. 4.0 OPERATING THE 28 & 34 INCH SNOWBLOWERS Read the tractor Operator's Manual. Know how to operate the tractor controls. 1. Adjust the skids shown in figure 4.0-1 to give ground clearance needed for the surface conditions. When removing snow from a gravel surface, adjust the skids to raise the snowblower to prevent gravel from going into the snowblower. When removing snow from a smooth surface, the snowblower can be lowered until the wearstrip contacts the surface. 1 -Skid 2 - Bolt Figure 4.0-1 2. Adjust the deflector chute by loosening the wing nut shown in figure 4.0-2. The deflector chute controls the distance the snow will be blown. 3. Start the tractor engine. Wait until the engine is smooth running before operating the snowblower. 4. Push the discharge chute crank in and turn the crank to rotate the discharge chute to a position that snow will be blown away. See Figure 4.0-3. 1 - Deflector Chute 2 -Wing Nut Figure 4.0-2 1 -Discharge Chute Crank Figure 4.0-3. 5. If the tractor has a Range Shift, put it in the LOW position. 6. Engage the PTO. 7. Move the throttle lever to the FAST position. 8. Put the Gear Shift in the LOW position. NOTE: When going through the snow for the first time, a full width passage must be cut. The forward speed must be slow enough to permit the snow to go through the discharge chute without being stopped. 9. Put the Direction Control Lever in the forward position and make the first passage through the snow. WARNING: The snowblower auger or impeller can be stopped by too much ice, snow or debris while the engine is still giving power to the snowblower. Severe injury to the person can be caused when cleaning the snowblower while the engine is running. NEVER CLEAN THE SNOWBLOWER WITH THE ENGINE RUNNING. 10. On the next and remaining passages, cut as much snow as will go through the discharge chute without being stopped. 11. If the reel stops turning while the fan continues to turn, disengage the PTO, stop the engine and tighten the nuts on each end of the reel shown in figure 4.0-4 to a torque of 85 ft. lbs. (115 Nm). 5.0 CONNECTING THE SNOWBLOWER TO THE FOUR WHEEL TRACTOR 1. Install the front drive kit on the tractor. See figure 5.0-1. Figure 5.0-1 2. Fasten the universal joint tube to the snow- blower drive shaft with the 1/4" x 2" bolt and 1/4" lock nut as shown in figure 5.0-2. 1 - Reel 2 - Nut Figure 4.0-4 1 - Universal Joint Tube 2 - Bolt Figure 5.0-2 3. Put the frame pivot rod of the snowblower support in the front attachment brackets and fasten with the hitch pins as shown in figure 5.0-3. 1. Frame Pivot Rod 2. Front Attachment Bracket 3. Hitch Pin 4. Universal Joint Shaft 5. Universal Joint Tube Figure 5.0-3 4. Put the universal joint shaft into the universal joint tube and put the universal joint shaft on the drive shaft of the front drive kit as shown in figure 5.0-3. 5. Put the snowblower push rod on the snowblower support and fasten with the hitch pin. Then put the front drive kit push rod in the snowblower push rod. 6. Put the front drive kit push rod pivot pin in the top hole in the attachment lift on the tractor and fasten with the hitch pin as shown in figure 5.0-4. 1. Front Drive Kit Push Rod 2. Snowblower Push Rod 3. Front Drive Kit Push Rod Pivot Pin 4. Hitch Pin Figure 5.0-4 6.0 OPERATING THE 38 & 44 INCH SNOWBLOWERS Read the tractor Operator's Manual. Know how to operate the tractor controls. 1. Adjust the skids shown in figure 6.0-1 to give ground clearance needed for the surface conditions. When removing snow from a gravel surface, adjust the skids to raise the snowblower to prevent gravel from going into the snowblower. When removing snow from a smooth surface, the snowblower can he lowered until the wearstrip contacts the surface. 1 – Skid 2 – Bolt Figure 6.0-1 2. Adjust the deflector chute by loosening the...