Komatsu 830E-AC Shop Manual page 704

4. Remove end cover (4) and O-ring (2, Figure 5-
13).
5. Remove outer gear of gear wheel set (1) and
O-ring between gear set and distribution plate.
6. Lift inner gear off cardan shaft.
7. Remove cardan shaft (11, Figure 5-19), distri-
bution plate (15) and O-ring (14).
8. Remove threaded bushing (4) and ball (3).
9. With valve housing positioned with the spool
and sleeve vertical, carefully lift spool assembly
out of housing bore.
NOTE: If housing is not vertical when spool and
sleeve are removed, pin (9) may slip out of position
and trap spools inside housing bore.
FIGURE 5-13. COVER END O-RING
1. Gear Wheel Set
L5-20
2. O-Ring
Steering Component Repair
10. Remove O-ring (5), kin ring (6) and bearing
assembly (7).
11. Remove ring (8) and pin (9) and carefully push
inner spool out of outer sleeve.
12. Press the neutral position springs (10) out of
their slot in the inner spool.
13. Remove the dust seal (2, Figure 5-14) using a
screwdriver. Take care not to scratch or dam-
age the dust seal bore.
FIGURE 5-14. SEAL REMOVAL
1. Screwdriver
2. Dust Seal
Cleaning and Inspection
1. Clean all parts carefully with fresh cleaning sol-
vent.
2. Inspect all parts carefully and make any
replacements necessary.
NOTE: All O-rings, seals and neutral position springs
should be replaced with new. Prior to reassembly
thoroughly lubricate all parts with clean type C-4
hydraulic oil.
3. Housing
L05035