TM 1-1520-238-23
11-296
Change 3
11.64.
SHEAR PIN ACTIVATED DECOUPLER (SPAD) SWITCH REPLACEMENT (AVIM)
11.64.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
11.64.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
Light duty laboratory apron (item 27, App H)
0.0015 - 0.0250-inch thickness gage (item 152, App H)
Chemical protective gloves (item 154, App H)
Industrial goggles (item 156, App H)
Multimeter (item 215, App H)
Adjustable air filtering respirator (item 262, App H)
0 - 30 inch-pound 1/4-inch drive dial indicator torque
wrench (item 445, App H)
Materials/Parts:
Adhesive (item 1, App F)
Adhesive (item 19, App F)
Cloth (item 52, App F)
Depressor (item 70, App F)
Methyl ethyl ketone (item 124, App F)
Wire (item 220, App F)
Wire (item 223, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
WARNING
Installation of a solid steel shear pin in
a BUCS-equipped aircraft will render
the BUCS system inoperative. Installa-
tion of a frangible type shear pin in an
aircraft not equipped with BUCS may
result in loss of flight controls and
possible loss of aircraft.
NOTE
This task is typical for all SPAD switches.
11.64.3. Removal
a. Remove SPAD switch (1) from SPAD (2).
(1) Remove two nuts (3) and washers (4).
(2) Remove two screws (5) and washers (4).
(3) Remove switch (1).
GO TO NEXT PAGE
M04-3455-20
SOLID STEEL
FOR USE ON NON-BUCS AIRCRAFT ONLY
FRANGIBLE TITANIUM
FOR USE ON BUCS AIRCRAFT ONLY
2
4
5
M04-3455-6
3
1
4
