Terex PT100G Forestry, Service Manual

Page: 106 / 142

Lift Arm Control Valve
Disassembly
Note:
All valve shown can be done with valve in
machine.
1.
With machine off and cool and with hydraulic actu-
ators relaxed, drain hydraulic oil according to the
procedure on page 4-
14
.
2.
Remove tubes and fitting from the low flow section
of valve. (see Chapter 3)
3.
Remove the bolts holding the valve stack together.
(fig. 16-13, 16-14)
4.
Remove valve section and inspect the seals for
damage, replace if necessary. (fig. 16-15)
5.
Remove the spool covers and inspect the seals for
damage, replace if necessary.(fig. 16-16, 16-17)
6.
Once the spool covers have been removed, the
spool may be removed. Inspect the spools for
damage, replace if necessary. (fig. 16-16,16-18)
Note: The spools are unique. All spools must be
reinstalled as found upon disassembly to function
properly.
16-4
Compact Track Loader
16. Hydraulic Component Service
Required Tools
Socket Wrench
Combination Wrench
Screwdriver (blade type)
Allen Wrench
16-13
16-15
O-ring
16-16
O-rings
16-17
16-14
16-18
O-ring
cover
low flow