TM 9-4940-568-34
3-115
3-34. THREE FUNCTION MANUAL CONTROL 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)
Packing, performed (Item 87, Appendix E)
Packing, performed (2) (Item 107, Appendix E)
Packing, performed (2) (Item 90, Appendix E)
Packing, performed (3) (Item 115, Appendix E)
Packing, performed (9) (Item 118, Appendix E)
Seal kit (Item 154, Appendix E)
Equipment Condition
FRS unloaded, (TM 9-4940-568-10).
Three function manual control valve removed,
(para 3-7).
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 six nuts (1) and three studs (2).
NOTE
Valves are shown upside down.
Tag and mark position of valves
prior to disassembly.
(2) Separate right-hand outrigger valve (3),
outrigger extension valve (4), left-hand
outrigger valve (5) and three preformed
packings (7) from manifold (6). Discard
preformed packings.
(3) Remove and discard nine preformed
packings (8) from right-hand outrigger
valve (3), outrigger extension valve (4)
and left-hand outrigger valve (5).
1
2
1
1
7
8
5
3
6
4
