Skytrak 6042 Service Manual User Manual download pdf (Page 311)

100

101

8.79

Model 6042 Legacy Origin 7/02

Hydraulic System

Disassemble the Extend/Retract Section

1. Carefully separate the extend/retract section

(Fig. 8-43, 32) from the mid-inlet/outlet section (53).

Avoid dislodging or losing the shuttle (52) from the

mid-inlet/outlet section.

2. Remove the o-ring (Fig. 8-43, 54) from between the

two sections.

3. Remove the shuttle (Fig. 8-43, 33), spring (34) and

poppet (35) from the extend/retract section.

4. Remove the two socket head capscrews (Fig. 8-43, 37)

securing the cable retainer assembly (38) to the extend/

retract section (32).

5. Remove the retainer (Fig. 8-43, 39), both

sleeves (40), another retainer (39), wiper (41) and

o-ring (42) from the cable retainer assembly (38).

6. Remove both socket head capscrews (Fig. 8-43, 43)

securing the end mechanism (44) to the extend/

retract section (32).

7. Remove the spool cap (Fig. 8-43, 45), retainer (39),

spool end (46), spring seat (47), spring (48), another

spring seat (49), wiper (50) and o-ring (51) from the

end mechanism (44).

Disassemble the Mid-Inlet/Outlet Section

1. Remove the shuttle (Fig. 8-45, 72) from the mid-

inlet/outlet section (73).

2. Remove the shut-off plug (Fig. 8-45, 75).

3. Remove the remaining plugs (Fig. 8-45, 76, 78 and

80) and o-rings (77, 79 and 81).

d. Main Control Valve Parts Cleaning

Clean all components with a suitable cleaner, such as

triclorethylene, before continuing; blow dry.

e. Main Control Valve Parts Inspection

Inspect all parts and internal passageways for wear,

damage, etc. If inner surfaces of any component DO NOT

display an ultra-smooth, polished finish, or are damaged

in any way, replace the damaged part. Often, dirty

hydraulic fluid causes failure of internal seals, damage to

the polished surfaces within the component, and wear of

and/or harm to other parts.

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Skytrak 6042 Service Manual User Manual Page 311

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