- Track-Type Tractor:
- D11R (S/N: AAF225-UP; 9TR1-UP; 9XR1-UP; 7PZ868-UP)
Description of Change: The damper group has been replaced. The new damper has enhanced properties for vibration dampening. The new damper is equipped with a sampling port that will allow testing of the internal fluid at engine overhaul to determine the condition of the damper. Conversion from the old damper to the new damper is recommended at an engine overhaul.
Adaptable To: The 240-7762 Damper Gp has replaced the 8N-7182 Damper Gp. The 240-7762 Damper Gp is not serviceable. Refer to Table 1 for contents of the 240-7762 Damper Gp .
Note: The existing bolts and washers from the 8N-7182 Damper Gp are reusable.
240-7762 Damper Gp     | ||
Quantity     | Part Number     | Description     |
1     | 1N-3482     | Adapter     |
6     | 8S-4757     | Bolts     |
1     | 244-4508     | Damper     |
6     | 5P-8250     | Washers     |
Note: On S/N:AAF and S/N:; 7PZ machines, the four mounting bolts for the aftercooler water pump may need to be loosened slightly in order to install the damper. By loosening the bolts, the pump flange will be able to rotate. This ensures that the 246-5591 Tube can be correctly aligned.
Illustration 1 | g01082200 |
(1) 1N-3482 Adapter (2) 244-4508 Damper (3) 8S-4757 Bolts |
(3) Bolt torque ... 1125 ± 100 N·m (830 ± 75 lb ft)
Required Parts for the Retrofitting of the Damper     | ||||
Serial Numbers     | Part Number     | Description     | Group Number     | Description of the Group     |
S/N:AAF, S/N:; 7PZ with an engine arrangement of 155-5556.     | 240-7766     | Tube     | 156-9840     | Water Lines Gp     |
240-7768 | Adapter     | |||
244-4508 | Damper     | 240-7762     | Damper Gp     | |
1N-3482 | Adapter     | |||
246-5591 | Tube     | 156-9815     | Water Lines Gp     |
Required Parts for the Retrofitting of the Damper     | ||||
Serial Numbers     | Part Number     | Description     | Group Number     | Description of the Group     |
S/N:9TR, S/N:; 9XR with an engine arrangement of 100-8111.     | 240-7766     | Tube     | 156-9840     | Water Lines Gp     |
240-7768 | Adapter     | |||
244-4508 | Damper     | 240-7762     | Damper Gp     | |
1N-3482 | Adapter     |
Effective Serial Numbers     |
S/N:7PZ00868     |
S/N:AAF00225     |