TM 1-1520-238-23
7-423
7.113.
HYDRAULIC TUBES AND FITTINGS PERMASWAGE REPAIR
7.113.1. Description
This task covers:
Determine Type of Repair. Select Required Tool Kit. Determine Correct Tube and Fitting Clear-
ances. Cut Tubing. Deburr Tube. Prepare Replacement Tube. Swage Tube. Inspection.
7.113.2. Initial Setup
Tools:
Hydraulic tool kit (item 384, App H)
Swaging tool kit (item 393, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
Materials/Parts:
Tubing and fittings, as required
Hydraulic fluid (item 92, App F)
Personnel Required:
68H
Aircraft Pneudraulics Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-23P
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access panels removed (as necessary)
7.3
Primary hydraulic system vented
7.57
Utility hydraulic system vented
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