TM 1-1520-238-23
Change 8
15-13
15.3.
APU INSTALLATION
15.3.1. Description
This task covers:
Installation.
15.3.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 371, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Maintenance platform (item 210, App H)
Adjustable air filtering respirator (item 262, App H)
1 1/2 & 1 5/8-inch open end wrench (item 418, App H)
(2)
1 1/4 & 1 5/16-inch open end wrench (item 419, App H)
1 3/8 & 1 7/16-inch open end wrench (item 421, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
Materials/Parts:
Tag line (2)
Brush (item 34, App F)
Hydraulic fluid (item 92, App F)
Petrolatum (item 138, App F)
Sealing compound (item 177, App F)
Strap (item 192, App F)
Wire (item 226, App F)
Metal conditioning compound (item 123B, App F)
Disposable applicator (item 29B, App F)
Primer (item 142A, App F)
Polyurethane coating (item 141, App F)
Sealing compound (item 176, App F)
Personnel Required:
67R
Attack Helicopter Repairer
Two persons to assist
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
WARNING
The fuel solenoid shutoff valve should not be used as a handhold at any time. Doing so could
cause looseness of the valve and result in fuel leakage and possible fire.
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