TM 1-1520-238-23
Change 6
3-295
3.71.
PARKING BRAKE FUNCTIONAL TEST
3.71.1. Description
This task covers:
Functional test.
3.71.2. Initial Setup
Tools:
Hydraulic tool kit (item 384, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
Hydraulic hose assembly tester (item 349, App H)
10 - 50 inch-pound 1/4-inch drive click type torque
wrench (item 434, App H)
Materials/Parts:
Packing (2)
Hydraulic fluid (item 92, App F)
Wire (item 226, App F)
Personnel Required:
68H
Aircraft Pneudraulics Repairer
One person to assist
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
1.61
Parking brakes released
NOTE
This task is typical for pilot and/or CPG
parking brake assemblies.
Check all brake lines for evidence of
leakage. Repair before performing test
(para 3.68 and 3.70).
3.71.3. Functional Test
a. Remove bleed screw assembly (1) from left
main landing gear brake unit (2).
b. Remove and discard packing (3) from screw
assembly (1).
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M04-3844-1
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