Komatsu 830E Shop Manual page 458

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FIGURE 5-12. SEAL REMOVAL

1. Screwdriver

2. Dust Seal

Cleaning and Inspection

1. Clean all parts carefully with fresh cleaning sol-

2. Inspect all parts carefully and make any replace-

ments 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.

Steering Component Repair

NOTE: When assembling the spool and sleeve, only

one of the two possible matching positions of the

spring slots can be used. The reason is that in the

other end of the sleeve and spool (opposite end of

the spring slots) there are three slots in the spool and

three holes in the sleeve. These must be opposite

each other on assembly so that the holes are partly

visible through the slots in the spool, refer to Figure

FIGURE 5-13. SPOOL AND SLEEVE ASSEMBLY

1. To install the neutral position springs, place a

screwdriver in the spool slot as shown in Figure

2. Place one flat neutral position spring on each

side of the screwdriver blade. Do not remove

screwdriver.

3. Push two curved neutral position springs in

between one side of the screwdriver blade and

a flat spring. Repeat for the opposite side.

Remove the screwdriver.

4. Slide the inner spool in the sleeve. Compress

the ends of the neutral position springs and

push the neutral position springs in place in the

5. Install the cross pin (9, Figure 5-18).

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