TM 1-1520-238-23
4-704
4.191.
PILOT POWER QUADRANT PANEL – ENG IGN OVRD SWITCH REMOVAL/INSTALLATION
(AVIM)
4.191.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
4.191.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
References:
TM 55-1500-323-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
4.188
Pilot power quadrant light indicating panel
removed
NOTE
This task is typical for No. 1 engine or No.
2 engine ENG IGN OVRD switches.
4.191.3. Removal
a. Detach wires (1) from ENG IGN OVRD switch
(2).
(1) Identify wires (1).
(2) For No. 1 engine switch (2), remove three
screws (3), lockwashers (4), and four terminal
lugs (5) from switch (2).
(3) For No. 2 engine switch (2), remove three
screws (3), lockwashers (4), and three termi-
nal lugs (5) from switch (2).
b. Remove switch (2) from panel (6).
(1) Remove nut (7), lockwasher (8), and lockring
(9).
(2) Remove switch (2).
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