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TM 1-4920-446-13 & P
3-68. Valves - Replace
3-68
This task covers: Removal and Installation
INITIAL SETUP
Tools:
Tool Kit, Hydraulic, NSN 5180-00-323-4891
Personnel Required:
MOS 67
Equipment Condition:
Para. 3-18 Cabinet assembly removed.
General Safety Instructions:
Be sure all electrical power is removed from the unit before beginning any maintenance
operation.
To avoid personal injury, test stand must be shut down and all hydraulic pressure re-
lieved before beginning any maintenance operation.
NOTE
To minimize loss of hydraulic fluid during maintenance operations which require discon-
necting of the hydraulic lines, set reservoir shutoff valve to the off position. Reposition
valve to the flow position at the completion of maintenance operation.
Tag all disconnected tubing and lines to ease reinstallation.
Removal:
The following valves are attached to the control panel. This area is extremely congested. To remove a defective valve,
it might be necessary to totally remove hydraulic tubing from the unit.
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