- Off-Highway Truck:
- 793C (S/N: CBR94-UP; ATY561-UP)
Description of Change: The tank group that includes fuel tank assembly has been updated. The new tank group includes a relocated vent assembly, a longer hose assembly, and a new clip. The new hose assembly replaces the former hose assembly in order to accommodate the new location of the fuel tank vent. The new location of the fuel tank vent prevents interference with the dual slope body.
Adaptable To: The nonserviceable 216-1728 Fuel Tank Gp that includes 6G-7803 Vent Assembly, and 215-3500 Fuel Tank As has been updated. The updated fuel tank group includes a relocated vent assembly which prevents interference from the dual slope body.
The updated tank group is effective with the following machines:
- 793C (S/N: ATY888-UP; CBR109-UP)
- 793C (S/N: ATY561-887; CBR94-108)
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When it is necessary to work under the machine with the body (bed) raised, attach the body (bed) retaining cable to the rear tow point. Install the rear tow point pin through the end of the retaining cable. Failure to properly secure the body (bed) may result in personal injury or death. |
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| NOTICE |
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. 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 Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids. Dispose of all fluids according to local regulations and mandates. |
| Required Parts | |||
| Item | Pt. No. | Description | Qty |
| 1 | 265-3487 | Hose As | 1 |
| 2 | 7D-1553 | Clip | 1 |
| 3 | 1H-8128 | O-Ring Seal | 2 |
- Raise the truck body in order to access the fuel tank vent.
- Install the truck body retaining cable.
- Remove six bolts (B) and six washers (C) in order to remove vent assembly (A), and cover (D).
Note: Vent assembly (A), bolts (B), washers (C), and cover (D) will be reused.
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| Illustration 1 | g01168763 |
Former tank group (A) Vent assembly (B) Bolt (C) Hard washer (D) Cover (E) Hose assembly (F) Cleaner assembly (G) Bolt (H) Hard washer (I) Cover | |
- Remove hose assembly (E) from vent assembly (A) and cleaner assembly (F) .
- Remove six bolts (G) and six washers (H) in order to remove cover (I) .
Note: Six bolts (G), six washers (H), and cover (I) will be reused.
- Remove O-ring seals (J) and replace the seals with two new 1H-8128 O-Ring Seals (3) .
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| Illustration 2 | g01168989 |
Tank group (J) O-ring seals | |
- Attach 265-3487 Hose As (1) to vent assembly (A) and cleaner assembly (F) .
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| Illustration 3 | g01169004 |
View from above the new tank group with the relocated fuel tank vent (1) 265-3487 Hose As (2) 7D-1553 Clip (A) Vent assembly (B) Bolt (C) Hard washer (D) Cover (F) Cleaner assembly (G) Bolt (H) Hard washer (I) Cover | |
- Install vent assembly (A) and cover (D) into tank assembly by using six bolts (B) and six hard washers (C) .
- Install cover (I), 265-3487 Hose As (1), and 7D-1553 Clip (2) onto the tank by using six bolts (G) and six hard washers (H). See Illustration 3.
- Remove the truck body retaining cable.