TM 1-1520-238-23
7-510
Change 2
7.134.
SURGE VALVE BRACKET REMOVAL/INSTALLATION
7.134.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.134.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
3/16-inch flat tip screwdriver bit (item 31, App H)
Chemical protective gloves (item 154, App H)
9/64-inch L-handle socket head screw key (item 188,
App H)
Adjustable air filtering respirator (item 262, App H)
3/16-inch hexagon x 1/4-inch drive screwdriver socket
wrench attachment (item 322, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
0 - 30 inch-pound 1/4-inch drive dial indicator torque
wrench (item 445, App H)
Materials/Parts:
Damping fluid (item 69, App F)
Sealing compound (item 156A, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access doors T250L, T250R, T290L,
T290R, and L325 opened
2.83
Fold catwalk
CAUTION
Removal of surge valve is for access pur-
poses only. SDC and surge valve are a
mated pair. Reinstall same surge valve
only. Failure to do so could result in dam-
age to SDC.
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M04-2641-1
