TM 55-1520-240-23-1
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CLEAN HYDRAULIC PISTONS
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INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Materials:
Barrier Material (E80)
Cloths (E120)
Hydraulic Fluid (E197 or E199)
Personnel Required:
Medium Helicopter Repairer
References:
Task 2-2
TM 55-1520-240-T
Equipment Conditions:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
General Safety Instructions:
Hydraulic fluid can damage rubber.
Do not let fluid get on seals or rubber
parts.
Do not rub pistons. Hard rubbing can
cause grit to scratch pistons. Change
cloths often to get rid of grit.
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