Terex ASV SR70 Service & Repair Manual page 113

Rubber Track Loader
16. Hydraulic Component Service
Lift Arm Control Valve
Disassembly
Required Tools
Socket Wrench
Combination Wrench
Screwdriver (blade type)
Low Profile Needle Nose Pliers
1. With machine off and cool and with hydraulic actu-
ators relaxed, remove the lift arm control valve
according to the procedure on page 10-4.
2. Place the valve on a bench in a clean work area.
16-13
16-14
3. Remove the nuts holding the valve stack together.
(figure 16-13, 16-14)
16-15
4. Remove each valve section and inspect the seals
for damage, replace if necessary. (figure 16-15)
16-16
16-17
5. Remove the inlet port assemblies and inspect the
seals for damage, replace if necessary.
(figure 16-16, 16-17)
16-18
6. Once the inlet port covers have been removed
from both sides of a spool, the spool may be
removed. (fig. 16-18)
O-ring
16-4
https://tractormanualz.com/
O-ring