Lift Arm Control Valve - Terex PT-100G Forestry Service Manual

Compact Track Loader
16. Hydraulic Component Service

Lift Arm Control Valve

Disassembly
Required Tools
Socket Wrench
Combination Wrench
Screwdriver (blade type)
Allen Wrench
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)
16-13
16-14
3. Remove the bolts holding the valve stack together.
(fig. 16-13, 16-14)
16-15
4. Remove valve section and inspect the seals for
damage, replace if necessary. (fig. 16-15)
16-16
16-17
5. Remove the spool covers and inspect the seals for
damage, replace if necessary.(fig. 16-16, 16-17)
low flow
16-18
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)
O-ring
Note: The spools are unique. All spools must be
reinstalled as found upon disassembly to function
properly.
16-4
O-rings
cover
O-ring