TM 9-4940-568-34
6-53
6-12. CROSS-RELIEF VALVE REPAIR
THIS TASK COVERS:
a. Disassembly
b. Cleaning/Inspection
c. Assembly
INITIAL SETUP
Tools
Tool Kit, General Mechanic’s
(Item 67, Appendix F)
Materials/Parts
Hydraulic oil (Item 16, Appendix B)
Sealant, pipe (Item 27, Appendix B)
Packing, preformed (Item 89, Appendix E)
Packing, preformed (2) (Item 91, Appendix E)
Packing, preformed (2) (Item 109, Appendix E)
Repair kit (Item 138, Appendix E)
Equipment Condition
Cross-relief valve removed (para 3-32).
Special Environmental Conditions
Cleanliness is extremely important when working
on hydraulic equipment. Clean all parts before
disassembly and work in a clean area.
a.
Disassembly
(1) Remove two relief valves (1) from valve
body (2).
(2) Remove two preformed packings
retainers (4), and preformed
(5) from relief valves (1).
preformed packings.
(3) Remove fitting (6), elbow (7), and
preformed packings (8) from valve
(2). Discard preformed packings.
(4) Remove elbow (9) and preformed
packing (10) from valve body
Discard preformed packing.
(5) Remove
two
check
valves
preformed packings (12), springs
and valve seats (14) from valve
(2). Discard preformed packing.
(6) Remove two plugs (15), two plugs (16),
two plugs (17), ball seat (18), and ball
bearing (19) from valve body (2).
1
2
3
4
5
9
10
16
11
12
13
14
15
191817
1
8
7
8
6
