- Off-Highway Truck:
- 777G (S/N: T5A1-UP; TNM1-UP; RDR1-UP; T4Y1-UP)
ReferenceOperation and Maintenance Manual, SEBU9007, "System Pressure Release".
Description of Change: The new fluid sampling valve has been added to the hydraulic oil cooler lines group for taking hoist and brake hydraulic oil samples. The addition of oil sampling port will improve the serviceability.
Adaptable To: The new parts are updated in the 309-1339 Hydraulic Oil Cooler Lines Gp that are required to add hydraulic oil sample port.
The parts that are listed in Table 1 are part of 309-1339 Hydraulic Oil Cooler Lines Gp in the 349-4812 Hydraulic Ar and 309-1363 Hydraulic Ar .
The updated 309-1339 Hydraulic Oil Cooler Lines Gp is effective in production with the machines RDR164-UP, TNM249-UP, T4Y126-UP and T5A102-UP.
| Required Parts for the Installation of the 8C-3446 Fluid Sampling Valve | |||
| Item | Qty | Part Number | Description |
| 1 | 1 | 5P-9617 | Adapter |
| 2 | 1 | 3J-1907 | O-Ring Seal |
| 3 | 1 | 8C-3446 | Fluid Sampling Valve |
| 4 | 1 | 3J-7354 | O-Ring Seal |
| 5 | 1 | 8C-3451 | Dust Cap |
 | |
| Illustration 1 | g02994229 |
Front bottom right view | |
 | |
| Illustration 2 | g02994231 |
Detail of area A | |
- Remove the pressure tap from the flange (B) .
Note: Refer the above reference for information on releasing the system pressure.
- Install adapter (1) and O-ring seal (2) onto flange (B) .
- Install fluid sampling valve (3), O-ring seal (4), and dust cap (5) onto adapter (1) as shown in Illustration 2.