SkyTrak 8042 Service Manual - Manual (Page 496)

8.81 Model 8042, 10042, 10054 Legacy Rev. 10/03
Hydraulic System
Disassemble the Attachment Tilt Section
1. Carefully separate the attachment tilt section (1)
from the frame sway section (19). Avoid dislodging
or losing the shuttle (20), spring (21) and poppet (22)
in the frame sway section.
2. Remove the o-ring (23) from between the two
sections.
3. Remove the shuttle (2), spring (3) and poppet (4)
from the attachment tilt section (1).
4. Remove the two relief valves (24). Refer to
“Disassemble the Relief Valves” on page 8.79.
5. Remove both socket head capscrews (7) securing
the cable retainer assembly (5) to the attachment tilt
section (1).
6. Remove the retainer (8), both sleeves (9), another
retainer (8), spacer (10) and o-ring (11) from the
cable retainer assembly (5).
7. Remove both socket head capscrews (12) securing
the end mechanism (6) to the attachment tilt section
(1).
8. Remove the spool cap (13), retainer (8), spool end
(14), spring seat (15), spring (16), another spring
seat (15), wiper (17) and o-ring (18) from the end
mechanism (6).
Disassemble the Frame Sway Section
1. Carefully separate the frame sway section (19) from
the mid-inlet/outlet section (25).
2. Remove the o-ring (26) from between the two
sections.
3. Remove the shuttle (20), spring (21) and poppet (22)
from the frame sway section (19).
4. Remove the two socket head capscrews (7) securing
the cable retainer assembly (5) to the frame sway
section (19).
5. Remove the retainer (8), both sleeves (9), another
retainer (8), wiper (10) and o-ring (11) from the cable
retainer assembly (5).
6. Remove both socket head capscrews (12) securing
the end mechanism (6) to the frame sway section
(19).
7. Remove the spool cap (13), retainer (8), spool end
(14), spring seat (15), spring (16), another spring
seat (15), wiper (17) and o-ring (18) from the end
mechanism (6).
c. Main Control Valve Disassembly
This section covers the disassembly of the other half (27)
of the main control valve, including the outlet (28), lift/
lower (29), extend/retract (30) and mid-inlet/outlet (31)
sections of the main control valve.
MH3350
27
28
29
30
31