TM 9-2320-366-34-3
16-61. M1089 MANUAL OVERRIDE VALVE REPLACEMENT
This task covers:
a. Removal
b. Installation
c. Follow-On Maintenance
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
Batteries disconnected (TM 9-2320-366-20-3).
Hydraulic reservoir supply valve and return valve
closed (TM 9-2320-366-10-2).
Tools and Special Tools
Tool Kit, Genl Mech (Item 78, Appendix B)
Pan, Drain (Item 43, Appendix B)
Materials/Parts
Cap and Plug Set (Item 17, Appendix C)
Lockwasher (2) (Item 139, Appendix F)
Packing, Preformed (2) (Item 231, Appendix F)
Packing, Preformed (2) (Item 237, Appendix F)
Dispenser, Pressure Sensitive Adhesive Tape (Item
30, Appendix C)
Sealing Compound (Item 76, Appendix C)
a. Removal.
(1) Disconnect electrical connector O (1) from manual
override valve (2).
(2) Place drain pan under manual override valve (2).
CAUTION
Cap or plug hydraulic hoses and connection
points to prevent contamination of hydraulic
system. Failure to comply may result in damage
to equipment.
NOTE
Tag hydraulic hoses and connection points prior
to disconnecting.
(3) Disconnect hydraulic hoses (3 and 4) from manual
override valve (2).
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