TM 55-1520-240-23-6
7-283.2
CLEAN AND INSPECT CARGO DOOR PRESSURE ACTUATED VALVE
7-283.2
INITIAL SETUP
Applicable Configurations:
All
Tools:
Technical Inspection Tool Kit, NSN 5180-00-323-5114
Spring Compression Tester
Materials:
Dry Cleaning Solvent (E162)
Personnel Required:
Inspector
Equipment Condition:
Off Helicopter Task
Cargo Door Pressure Actuated Valve Disassembled
(Task 7-283.1)
References:
Task 7-1.1
Solvent (E162) is combustible and
toxic. It can irritate skin and cause
burns. Use only with adequate
ventilation, away from open flame. In
case of contact, immediately flush
skin or eyes with water for at least
15 minutes. Get medical attention
for eyes.
1.
Clean all components with solvent (E162) and
dry thoroughly with clean dry compressed air.
NOTE
General inspection criteria (Task
7-1.1) for obvious damage applies
unless otherwise stated.
Inspection steps cover parts that are
subject to wear.
2.
Measure diameter of shank (1) of poppet (2).
Diameter shall not be less than 0.1330 inch.
Inspect shank and spherical seating radius (3)
for nicks, scratches, and signs of wear at contact
area.
3.
Measure diameter of poppet bore (4) of cage (5).
Diameter shall not be more than 0.1405 inch.
7-1053
