797F and 797F XQ Off-Highway Trucks Caterpillar

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When it is necessary to work under the machine with the body (bed) raised, attach the body (bed) retaining cables to the body retaining pins. Install the body retaining pins through the ends of the retaining cables. Always use both retaining cables. Failure to properly secure the body (bed) may result in personal injury or death.

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A raised body (bed) may fall unexpectedly if a damaged cable is used. Use of a damaged cable could result in personal injury or death. Inspect the cable for damage and do not use a cable that is damaged. Wear gloves when handling the cable.

Installation Procedure

1. Remove all material and any residue from the truck body before the truck body is secured in the raised position.

2. Park the machine on a level surface. Prepare the machine for maintenance. Refer to "Operation and Maintenance Manual" , Prepare the Machine for Maintenance.

3. Ensure that the transmission control is in the P position.

4. Raise the truck body to the fully raised position.

   Note: Ensure that all material and residue are removed from the body and canopy. Material that is not removed from the body and canopy may fall unexpectedly.

5. Turn the engine start switch to the OFF position. Wait for the steering and brake accumulators to release hydraulic pressure from the systems.

6. Install wheel chocks on the machine. Refer to "Operation and Maintenance Manual" , Use of Wheel Chocks for more information.
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   Illustration 1	g01777321

7. Remove both cable ends (1) from the stored location on each side of the truck body.
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   Illustration 2	g01777319

8. On one side of the rear axle housing, slide body retaining pin (2) toward the centerline of the machine.

   Note: It is only necessary to slide the body retaining pin enough to allow adequate space for the cable end to be installed.

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   Illustration 3	g01777320

9. Position body retaining pin (2) through cable end (1) and install the body retaining pin.

10. Repeat steps 8 and 9 on the other side of the rear axle housing.

11. Once personnel are clear of the machine, turn the engine start switch to the ON position and start the engine.

12. Move the hoist control to the FLOAT position and lower the truck body until the cables are tight.
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    Lowering the body to tension the retaining cables using the "Lower" position on the hoist control lever will damage the cables. If the body is lowered against the retaining cables by using the "Lower" position, replace the retaining cables immediately. Always lower the body against the retaining cables by using the "Float" position on the hoist control lever. Use of a damaged cable could result in personal injury or death.

13. Move the hoist control to the HOLD position.

14. Turn the engine start switch to the OFF position and stop the engine.

Removal Procedure

1. Turn the engine start switch to the ON position and start the engine.

2. Raise the truck body to the fully raised position to loosen the cables. Turn the engine start switch to the OFF position and stop the engine.

3. Slide both body retaining pins toward the centerline of the machine. Remove the cable ends and install the body retaining pins.

4. Return the cable ends to the stored location.

5. Turn the engine start switch to the ON position and start the engine.

6. Lower the truck body.

Body Up Configurable Limit Override (If Equipped)

1. Remove all material and any residue from the truck body before the truck body is secured in the raised position.

2. Park the machine on a level surface. Prepare the machine for maintenance. Refer to "Operation and Maintenance Manual" , Prepare the Machine for Maintenance.

3. Ensure that the transmission control is in the P position.
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   Illustration 4	g06400199

4. Raise the truck body to the fully raised position.

   • Depress the button (3) for the high gear limit RAISE and depress the button (4) for the high gear limit LOWER at the same time and hold.

   • Put hoist control in raise position until body is fully raised.

5. Turn the engine start switch to the OFF position. Wait for the steering and brake accumulators to release hydraulic pressure from the systems.

6. Install wheel chocks on the machine. Refer to "Operation and Maintenance Manual" , Use of Wheel Chocks for more information.
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   Illustration 5	g06400435

7. Connect the body retaining cables to the body retainers. Refer to Operation and Maintenance Manual , Cable (Truck Body Retaining) for more information.

8. Once personnel are clear of the machine, turn the engine start switch to the ON position and start the engine.

9. Move the hoist control to the FLOAT position and lower the truck body until the cables are tight.
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   Lowering the body to tension the retaining cables using the "Lower" position on the hoist control lever will damage the cables. If the body is lowered against the retaining cables by using the "Lower" position, replace the retaining cables immediately. Always lower the body against the retaining cables by using the "Float" position on the hoist control lever. Use of a damaged cable could result in personal injury or death.

10. Move the hoist control to the HOLD position.

11. Turn the engine start switch to the OFF position and stop the engine.