793C Off-Highway Truck Machine Systems Caterpillar

Removal Procedure

Start By:

1. Install the truck body retaining cable. Refer to Disassembly and Assembly, "Truck Body Retaining Cable - Remove and Install" for the correct procedure.
2. Remove the compartment cover at the rear of the cab. Refer to Disassembly and Assembly, "Cover (Cab Rear) - Remove and Install" for the correct procedure.

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The space between the body and the frame becomes a zero clearance area when the body is lowered. Failure to install the retaining cable can result in injury or death to personnel working in this area.

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Illustration 1	g00456563

1. Remove nut (1). Remove the electrical connections.

Note: Before any electrical connections are removed, identify the electrical connections for assembly purposes.

2. Remove nut (4). Remove the electrical connections.

3. Remove two nuts (6) from the switch. Remove the electrical connections.

4. Remove two bolts (2) and two washers (3) .

5. Remove relay assembly (5) .

Installation Procedure

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Illustration 2	g00456563

1. Install relay assembly (5) .

2. Install two washers (3) and two bolts (2) .

   Note: When two bolts (2) are installed, tighten the bolts to a torque of 12 ± 3 N·m (106.2 ± 26.5 lb in).

3. Install the electrical connections. Install two nuts (6) on the switch.

   Note: When two nuts (6) are installed, tighten the nuts to a torque of 2 ± .25 N·m (17.70 ± 2.21 lb in).

4. Install the electrical connections. Install nut (4) .

   Note: When nut (4) is installed, tighten the nut to a torque of 6 ± .5 N·m (53.11 ± 4.43 lb in).

5. Install the electrical connections. Install nut (1) .

   Note: When nut (1) is installed, tighten the nut to a torque of 6 ± .5 N·m (53.11 ± 4.43 lb in).

End By:

1. Install the compartment cover at the rear of the cab. Refer to Disassembly and Assembly, "Cover (Cab Rear) - Remove and Install" for the correct procedure.
2. Disconnect the truck body retaining cable. Refer to Disassembly and Assembly, "Truck Body Retaining Cable - Remove and Install" for the correct procedure.