- Transmission:
- TH55 - KRESS (S/N: KCH1-UP)
- Off-Highway Truck/Tractor:
- 776D (S/N: 5ER1-UP; AFS1-UP)
- 777D (S/N: AGC1-UP; FKR1-UP; 3PR1-UP)
- 784C (S/N: 2PZ1-UP)
- 785 (S/N: 8GB1-UP)
- 785B (S/N: 6HK1-UP)
- 785C (S/N: 1HW1-UP; APX1-UP; 5AZ1-UP)
- 785D (S/N: DMC1-UP; MSY1-UP)
- 789 (S/N: 9ZC1-UP)
- 789B (S/N: 7EK1-UP)
- 789C (S/N: 2BW1-UP)
Description of Change: The improved refrigerant compressor and mounting group has an update to the belt routing which improves belt service life.
Adaptable To: The improvement has been made to the 368-0081 Refrigerant Compressor and Mounting Gp .
The 368-0081 Refrigerant Compressor and Mounting Gp is adaptable back to first production on the serial numbers listed above. Refer to Table 1 for a list of the new part numbers, former part numbers, and the quantities used. Effectivity is listed in Table 2.
ReferenceSpecial Instruction, REHS7192, "Procedure To Install An Updated Air Conditioning Compressor Group On Certain Off-Highway Trucks/Tractors" for complete assembly instructions.
| New Part | Former Part | Part Description | Qty |
|---|---|---|---|
| 236-9911 | 103-0883 | Bracket | 1 |
| 461-2481 | 368-0079 | Bracket | 1 |
| 466-1650 | 103-0880 | Idler Pulley Gp | 1 |
 | |
| Illustration 1 | g03729923 |
(1) 466-1650 Idler Pulley Gp (2) 189-2207 Idler Pulley (3) 236-9911 Bracket | |
Note: The original idler pulley (2) and associated hardware will be reused.
 | |
| Illustration 2 | g03729924 |
(4) 461-2481 Bracket | |
Note: Bracket (4) has larger holes to aid in assembling to the front housing.This change is effective on the serial numbers listed in Table 2.
| Effectivity |
|---|
| S/N:5ER00128-UP |
| S/N:AFS00101-UP |
| S/N:3PR01127-UP |
| S/N:AGC02548-UP |
| S/N:FKR02336-UP |
| S/N:2PZ00107-UP |
| S/N:8GB00863-UP |
| S/N:6HK00988-UP |
| S/N:1HW00135-UP |
| S/N:APX02379-UP |
| S/N:5AZ00428-UP |
| S/N:MSY00654-UP |
| S/N:DMC00176-UP |
| S/N:9ZC00678-UP |
| S/N:7EK00689-UP |
| S/N:2BW02129-UP |
| S/N:KCH22060-UP |