- Excavator:
- 5130B (PIN: 4CS1-UP)
- 5130 (PIN: 5ZL1-UP)
Description of Change: A new pump drive is used on the 5130B Excavators. A remanufactured pump drive is also available for use on the 5130B Excavators. Larger diameter bolts and new spacers are used to fasten the pump drive to the engine flywheel housing. The large diameter bolts and spacers improve the service life of the coupling of the pump drive.
Adaptable To: The new 178-3138 Pump Drive is a direct replacement for the former 135-9476 Pump Drive which is not serviced. Also, a remanufactured 0R-9539 Pump Drive is a direct replacement for the former 135-9476 Pump Drive. The new 178-3138 Pump Drive is effective with 5130B PIN: 4CS166
Excavator. The new pump drive and the remanufactured pump drive is adaptable to all earlier 5130 (PIN: 5ZL; 7TJ) and 5130B (PIN: 4CS) Excavators by using the following procedure.
| Parts That Are Needed | |||
|---|---|---|---|
| Item | Qty | Pt. No. | Description |
| 1 | 16 | 7X-0347 | Bolt |
| 2 | 16 | 7G-9726 | Spacer |
 | |
| Illustration 1 | g00687098 |
(1) 7X-0347 Bolt (2) 7G-9726 Spacer | |
- Drill the holes in the pump drive housing to 17 mm (0.67 inch).
- Rework the thread in the flywheel housing. Drill the holes to 14 mm (0.55 inch). Tap the holes to 5/8 - 11 thread.
- Use 16 7X-0347 Bolts (1) and 16 7G-9726 Spacers (2) to assemble the pump drive to the flywheel housing.
- Tighten the bolts to a torque of 240 ± 40 N·m (177 ± 30 lb ft).