TM 1-1520-238-23
10-136
Change 1
10.28.
FORWARD FUEL CELL REMOVAL
10.28.1. Description
This task covers:
Removal. Cleaning. Inspection.
10.28.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Pneumatic vacuum cleaner (item 65, App H)
Chemical protective gloves (item 154, App H)
Fuel cell kit (item 189, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Lubricating oil (item 117, App F)
Tape (item 201, App F)
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
10.2
Fuel system safety precautions observed
10.3
Forward poppet draincock removed
10.4
Forward fuel cell lighting arrestor removed
10.7
Forward fuel cell forward access cover re-
moved
10.23
Forward fuel cell vent tube removed
10.10
Forward fuel cell vent tube adapter removed
10.14
Forward fuel cell fuel shutoff valve removed
10.22
Forward fuel cell refueling hose removed
10.19
Forward fuel cell fuel/defuel check valve re-
moved
10.12
Forward fuel cell pilot valve hose removed
10.13
Forward fuel cell level control pilot valve re-
moved
10.11
Forward fuel cell check/thermal relief valve
removed
10.21
Forward fuel cell engine fuel supply hose
removed
10.6
Forward fuel cell aft fuel quantity transmitter
removed
10.15
Forward fuel cell air vent/pressure relief
valve removed
10.16
Forward fuel cell engine fuel supply break-
away valve removed
10.17
Forward fuel cell refueling breakaway valve
removed
9.32
Transformer rectifier No. 2 removed
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