TM 1-1520-238-23
8-31
8.11.
ANALOG OR INTERFACE CIRCUIT CARD ON TORQUE, TGT, FUEL, AND NG INDICATORS
REPLACEMENT (AVIM)
8.11.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
8.11.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
Large wrist grounding strap (item 346, App H)
Materials/Parts:
Cloth (item 52, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
Equipment Conditions:
Ref
Condition
8.10
Light panel or digital display driver removed
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.
8.11.3. Removal
a. Remove circuit card (1) from indicator (2).
Wear grounding strap.
(1) Pull card (1) from guide (3).
8.11.4. Cleaning
a. Wipe indicator guide. Use cloth (item 52,
App F).
8.11.5. Inspection
a. Check indicator for cracks, nicks, and dents
(para 8.1).
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M04-1582-2
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