- Off-Highway Truck:
- 777F (S/N: JRP1-UP; JXP1-UP)
Description of Change: Improved cover assembly will provide adequate clearance between the cover assembly and the right hand side tire during machine operation.
Adaptable To: The new 328-4373 Cover As is a direct replacement for the former 323-0280 Cover As in the 248-7695 Fuel Lines Gp .
The new 328-4373 Cover As is adaptable to the machines JRP1-1972 and JXP1-127.
The new 328-4373 Cover As is effective in production with the machines JRP1973-UP and JXP128-UP.
| Parts List | |||
| Item | Qty | Part Number | Description |
| 1 | 1 | 328-4373 | Cover As |
| 2 (1) | 1 | 305-3684 | Identification Plate |
| 3 | 2 | 3S-2093 | Cable Straps |
| 4 (1) | 2 | 6V-9510 | Plugs |
| 5 (1) | 2 | 6V-9831 | Cap As |
| ( 1 ) | Items are not shown in the Illustrations. |
Note: Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
| NOTICE |
|---|
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
- Permit only one operator on the machine. Either keep other personnel away from the machine, or keep other personnel in the sight of the operator.
- Move the machine to a smooth horizontal location. Move away from any machines that are working and any personnel. The truck body must be in the DOWN position.
- Move the transmission control to the PARK position.
- Activate the parking brakes. Stop the engine.
- Place blocks in front of the wheels and behind the wheels.
- Remove 316-8207 Hose As connection (6) and 252-5703 Hose As connection (9).
 | |
| Illustration 1 | g01905778 |
- Install 6V-9510 Plug (4) in 316-8207 Hose As connection (6) and 252-5703 Hose As connection (9). Install 6V-9831 Cap As (5) to the elbow assembly (7) and connector (8) in order to contain fluids and prevent contamination while the machine is being serviced.
- Remove one 6T-3631 Hex Nut (10) and one 6T-3632 Lockwasher (11) from 165-5970 Toggle Switch (12) and remove 209-7659 Information Plate (13). Discard the 209-7659 Information Plate .
 | |
| Illustration 2 | g01905779 |
- Install 305-3684 Identification Plate (2) in place of 209-7659 Information Plate (13) by using one 6T-3631 Hex Nut (10) and one 6T-3632 Lockwasher (11). Tighten the hex nut to 2.2 ± 0.1 N·m (19.5 ± 0.9 lb in).
- Remove one 8T-6869 Bolt (14), one 7X-0579 Hard Washer (15), two 8T-9655 Isolation Mounts (16) and one 191-1782 Spacer (17). Refer to Illustration 3 and Illustration 4. Save the parts that are removed in Step 10.
 | |
| Illustration 3 | g01905780 |
 | |
| Illustration 4 | g01909313 |
Location of 8T-9655 Isolation Mounts (16) | |
- Remove one 8T-7352 Bolt (18), one 7X-0579 Hard Washer (15), three 8T-9655 Isolation Mounts (16) and one 232-1376 Spacer (19) at two places. Remove 232-1374 Bracket (20). Refer to Illustration 3 and Illustration 4. Save the parts that are removed in Step 11.
- Remove 190-8977 Fuel Priming Pump and Water Separator (21).
 | |
| Illustration 5 | g01905796 |
- Remove cable straps (23) that secure the connector for 165-5970 Toggle Switch (12) and the wiring harness to 323-0280 Cover As (22) .
- Remove two 8T-4136 Bolts (24) and two 7X-7729 Washers (25) that secure 323-0280 Cover As (22) to the chassis. Discard the 323-0280 Cover As. Save the two bolts (24) and two washers (25) .
- Install 328-4373 Cover As (1) to chassis by using two bolts (24) and two washers (25) that were removed in Step 14 and tighten two bolts (24) to 55 ± 10 N·m (41 ± 7 lb ft).
 | |
| Illustration 6 | g01905813 |
- Install 190-8977 Fuel Priming Pump and Water Separator (21) to 328-4373 Cover As (1) by using mounting hardware that was removed in Step 10 and Step 11. Tighten bolts (14) and (18) to 28 ± 7 N·m (21 ± 5 lb ft). Refer to Illustration 3 and Illustration 4.