Komatsu 830E-AC Shop Manual page 658

18. Lubricate O-ring (3, Figure 3-14) and install in
bearing plate (7). Lubricate O-rings (4) and
install over studs (12). Replace dowel (2) if
removed. Install bearing plate (7).
19. Repeat steps 10, 11 and 12 for installation of
the steel rings, backup ring, O-ring, retainer,
isolation plate and pressure plate.
1. Drive Gear (Rear)
2. Dowel
3. O-Ring
4. O-Ring
5. Coupling
6. Connector Plate
7. Bearing Plate
L3-14
FIGURE 3-14. HOIST PUMP REASSEMBLY
8. O-RIng
9. O-Ring
10. Gear Plate
11. Connector Plate
12. Stud
13. Idler Gear
Hydraulic Component Repair
20. Lubricate I.D. of bearings (18, Figure 3-14).
Install O-rings (8 & 9) and dowel (25) if
removed. Install gear plate (10). Make sure
relief in gear plate is toward bearing plate (7).
21. Install rear drive gear (1) and idler gear (13).
The rear drive gear must be timed with the front
drive gear. This is accomplished by lining up a
tooth on the rear drive gear with the valley of
two teeth on the front drive gear, as shown in
Figure 3-12.
14. Cap Screw
15. Bearing Plate
16. Transition Plate
17. O-Ring
18. Bearings
19. Coupling
20. Nut
21. O-Ring
22. Dowel
23. Dowel
24. O-Ring
25. Dowel
L03039