TM 1-1520-238-23
1-140
Change 2
1.45.
MAIN LANDING GEAR BRAKE SYSTEM – SERVICE/BLEED
1.45.1. Description
This task covers:
Service/Bleed.
1.45.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Filler and bleeder (item 131, App H)
Chemical protective gloves (item 154, App H)
3/16-inch tube nipple (item 216, App H)
14-quart utility pail (item 222, App H)
Hydraulic brake bleeder tube (item 399, App H)
Materials/Parts:
Seal (2)
Wire (item 226, App F)
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.161
CPG seat tilted forward
1.45.3. Service/Bleed
CAUTION
Tighten hose only finger tight when instal-
ling bleeder hose. Over torquing can
cause damage to bleeder hose or bleed-
er port.
NOTE
This task is typical for right and left
main landing gear brake. Bleed right
side first if bleeding both systems.
This task is typical for both vendor
bleeders except as noted.
Removal and installation of lockwire is
not required on both vendor bleeders.
a. Enter pilot station (para 1.56). Observe all
safety precautions.
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M04-1620-2
