TM 9-4940-568-34
3-123
3-37. CRANE ELECTRIC SOLENOID VALVE REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
Tools
Tool Kit, General Mechanics
(Item 67, Appendix F)
Materials/Parts
Gasket (Item 9, Appendix E)
Gasket (Item 13, Appendix E)
Packing, preformed (3)
(Item 116, Appendix E)
Packing, preformed (1)
(Item 117, Appendix E)
Equipment Condition
FRS unloaded, (TM 9-4940-568-10).
Batteries disconnected, (TM 9-4940-568-10).
a.
Removal
The FRS hydraulic system
operates at oil pressure up
to 3,500 psi (24, 132 kPa).
Never
disconnect
any
hydraulic line or fitting
without first dropping the
pressure to zero. Failure to
comply may result in serious
injury or death to personnel.
WARNING
NOTE
Tag and mark all wires prior to
removal.
All four solenoid valves are
removed and replaced the same.
(1) Loosen two screws (1) and remove
connector (2) and gaskets (3) from
solenoids (4).
(2) Remove two threaded caps (5) and
solenoids (4) from electric solenoid
valve (6).
(3) Remove four screws (7) from electric
solenoid valve (6).
(4) Remove electric solenoid valve (6) from
crane control valve (8).
(5) Remove plate (9) and four performed
packings (10 and 11) from crane control
valve (8).
1
5
4
3
2
7
6
8
9
10
11