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PILOT ENGINE TURBINE GAS TEMPERATURE (TGT) INDICATOR AND ENGINE GAS GENERATOR NG RPM INDICATOR REMOVAL/INSTALLATION – continued | Up
TM-1-1520-238-23-5 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual | Next
TORQUE, TGT, FUEL, AND NG INDICATORS LIGHT PANEL, DIGITAL DISPLAY DRIVER CIRCUIT CARD REPLACEMENT (AVIM) – continued |
TM 1-1520-238-23
8-28
Change 3
8.10.
TORQUE, TGT, FUEL, AND NG INDICATORS LIGHT PANEL, DIGITAL DISPLAY DRIVER CIRCUIT
CARD REPLACEMENT (AVIM)
8.10.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
8.10.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
Light duty laboratory apron (item 27, App H)
3/16-inch flat tip screwdriver bit (item 31, App H)
#1 phillips screwdriver bit (item 35, App H)
Chemical protective gloves (item 154, App H)
Adjustable air filtering respirator (item 262, App H)
Large wrist grounding strap (item 346, App H)
1 - 100 inch-ounce 1/4-inch hexagon drive click type
torque wrench (item 437, App H)
Materials/Parts:
Cloth (item 52, App F)
Lubricant (item 115, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
References:
TM 11-6625-3085-30
CAUTION
Static electrical discharge can damage
semiconductors in circuit card. To pre-
vent damage, repairer must wear
grounding strap when cover is off, and
when handling circuit cards.
8.10.3. Removal
a. Remove light panel (1) from indicator (2).
(1) Remove four bushings (3).
(2) Pull panel (1) from indicator (2).
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