TM 1-1520-238-23
6-366
Change 1
6.84.
HEAT EXCHANGER PRESSURE TRANSDUCER REMOVAL/INSTALLATION
6.84.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.84.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
3/8 x 1/4-inch drive socket wrench adapter (item 7,
App H)
Light duty laboratory apron (item 27, App H)
11/16 x 3/8-inch drive open end box socket wrench
crowfoot attachment (item 70, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
0 - 30 inch-pound 1/4-inch drive dial indicator torque
wrench (item 445, App H)
Materials/Parts:
Contact (3)
Packing
Petrolatum (item 138, App F)
Wire (item 224, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
TM 55-1500-323-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access doors T250L, T250R, T290L,
T290R, and L325 opened
1.32
Main transmission oil system drained
WARNING
FLIGHT SAFETY PART
The main transmission is a flight safety part. Failure to follow maintenance instructions may
result in serious injury or death of crewmembers and/or serious damage to the helicopter.
NOTE
This task is typical for either left or right pressure transducers.
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