c. Cleaning, Inspection and Repair.
e. Installation. Reverse removal procedures a above.
(1) Clean all parts.
With engine running, adjust relief valve adjusting screw
(2) Inspect all parts for scoring and burs.
(14) to open valve at a pressure of 1500 psi.
Replace deeply scored parts.
(3) Inspect spools for freedom of motion valve
body.
3-15. Cushion Valve
(4) Inspect springs for tension and cracks
(5) Inspect all threads for damage or ot
a. Removal. Disconnect hydraulic lines and remove
defects.
mounting hardware from cushion valve. Remove valve.
(6) Replace all defective parts as requires
(7) Replace all gaskets and packing.
disassemble cushion valve.
d. Reassembly. Refer to figure 3-12 and reassemble
control valve.
1 Valve assy
10 Housing
2 Cap
11 Regular assy
3 Seal
12 Plug
4 Spring
13 Plug
5 Washer
14 Spring
6 Guide
15 Piston
7 Bearing
16 Plug
8 Seat
17 Spring
9 Seal
18 Spool
19 Housing
Figure 3-13. Cushion valve and pressure regulator, exploded view
3-23
