Komatsu 830E-AC Shop Manual page 657

16. Install steel rings (11, Figure 3-13), backup ring
(12), O-ring and retainer (13). Install isolation
plate with its relief toward the pressure plate.
1. Drive Gear and Shaft
2. Idler Gear
3. Gear Plate
4. Relief
L03039
FIGURE 3-13. HOIST PUMP REASSEMBLY
5. O-Ring
6. Connector Plate
7. O-Ring
8. Snap Ring
Hydraulic Component Repair
17. Lubricate and install thru stud O-rings (5) and
connector plate O-ring (7). Install dowel (14) if
removed. Lubricate the I.D. of the bearings (17)
and install connector plate (6). Install snap ring
(8) and coupling (9).
9. Coupling
10. Thru Studs
11. Steel Ring
12. Backup Ring
13. O-Ring & Retainer
14. Dowel
15. Isolation Plate
16. Pressure Plate
17. Bearing
L3-13