Ventrac Operators Manual

SERVICE

Wheel Removal and Installation Wheel Removal: 1. Park the power unit on a level surface. 2. Loosen the wheel lug nuts, but do not remove. WARNING If the power unit is not adequately supported, the unit could fall and trap or crush a person or append- age, causing severe injury or death. 3. Lift up the corner of the power unit and secure with a jack stand. 4. Remove the lug nuts and lift the wheel off the mounting studs. Wheel Installation: 1. Place the wheel onto the mounting studs with the hub side of the rim against the axle hub. NOTE: If the wheel is equipped with dual valve stems, there is a decal on the rim that indicates the hub side of the rim. 2. Install the lug nuts and tighten by hand until the wheel is held against the axle hub.

Outer Dual Wheel Removal and Installa- tion 1. Raise the power unit approximately 5 cm (2 inch - es) by driving the power unit onto wood planks positioned in line with the inner wheels. The outer dual wheels should not contact the wood planks. A jack and jack stands may be used to raise and support the power unit if planks are not available. WARNING Place wheel chocks in front and back of the inner wheels to prevent the power unit from rolling for- ward or backward during removal or installation of the outer dual wheels. 2. Place wheel chocks in front and back of the inner wheels to prevent accidental movement. Outer Dual Wheel Removal: 1. Loosen the draw bolts approximately five turns. 2. With a medium size hammer, hit the end of the draw bolt until the draw cone releases. 3. Remove the dual wheel assemblies by rotating them counterclockwise. 4. Install the four plastic plugs from the dual wheel kit into the inner dual wheel hubs. 5. If desired, move the steering cylinder to the inner hole setting of the cylinder mount under the left front corner of the foot platform. Torque to 203 Nm (150 ft-lbs). Outer Dual Wheel Installation: 1. Remove the plastic plugs from the inner dual wheel hubs. 2. Inspect the threaded end of the dual wheel exten- sions to ensure the draw cone, the draw bolt, and the external threads of the dual wheel extension have a light coating of grease. Apply grease if necessary. 3. The draw cone must be loose before installing the dual wheel extension into the inner hub. Check by sliding the draw bolt in and out. It should have 6.5 - 13 mm (1/4 - 1/2 inch) of travel.

3. Lift the power unit up slightly and remove the jack stand. Lower the power unit to the ground. 4. Tighten the lug nuts in a crisscross sequence as shown. Torque to 75 Nm (55 ft-lbs).

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Service - 62

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