TM 55-1520-240-23-3
3-50
REPAIR UPPER DRAG LINK (AVIM)
3-50
INITIAL SETUP
Applicable Configurations:
All
Tools:
Machine Shop Set, NSN 4920-00-405-9279
Roller Staking Kit (T169)
Materials:
Abrasive Cloth (E1)
Epoxy Primer (E292)
Polyurethane Paint (E285.3)
Acetone (E20)
Gloves (E184.1)
Cloths (E120)
Sealant (E345.1)
Parts:
Bearings
Liners (APP E-53)
Personnel Required:
Machinist
Inspector
References:
TM 55-1520-240-23P
TM 55-1500-322-24
MIL-R-46082
Equipment Condition:
Off Helicopter Task
General Safety Instructions:
Acetone (E20), epoxy primer (E292)
and polyurethane paint (E285.3)
are flammable and toxic. They can
irritate skin and cause burns. Avoid
inhaling. Use only with adequate
ventilation. Avoid contact with skin,
eyes, or clothing. Keep away from
heat, sparks, and open flame. In
case of contact, immediately flush
skin or eyes with water for at least
15 minutes. Get medical attention
for eyes.
NOTE
Same procedure is used to repair left
or right upper drag link.
REPAIR LINK SURFACE
1.
Remove minor nicks, burrs, scores, scratches or
pits on shock strut (1). Use abrasive cloth (E1).
2.
Touch up reworked areas with primer (E292)
and polyurethane paint (E285.3). Wear gloves
(E184.1).
3.
Check condition of bearings (2 and 3). If bearings
are good, go to Follow-On Maintenance. If either
bearing must be replaced, go to step 4.
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