TM 1-1520-238-23
10-14
10.3.
FORWARD AND AFT POPPET DRAINCOCK AND CONTROL
REMOVAL/INSTALLATION
10.3.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
10.3.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
3/8 x 1/2-inch drive socket wrench adapter (item 6,
App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
14-quart utility pail (item 222, App H)
Adjustable air filtering respirator (item 262, App H)
1 1/8 x 1/2-inch drive deep socket wrench socket
(item 294, App H)
0 - 600 inch-pound 3/8-inch drive dial indicator torque
wrench (item 447, App H)
Materials/Parts:
Packing
Petrolatum (item 138, App F)
Wire (item 226, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
10.2
Fuel system safety precautions observed
1.19
Helicopter defueled, SPA method
2.2
Access doors B170 or B250 opened
NOTE
This task is typical for forward or aft pop-
pet draincock and control. Forward pop-
pet draincock and control are shown.
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M04-294-1
A-4
