TM 55-1520-240-23-6
7-280
TEST CARGO DOOR SEQUENCE VALVE (AVIM)
7-280
INITIAL SETUP
Applicable Configurations:
All
Tools:
Hydraulic Repairers Tool Kit, NSN 5180-00-323-4891
Hydraulic Test Stand
Reverse Spring Scale
Shutoff Valve (3)
Gage, 0 to 3000 psi (3)
Flowmeter
Flexible Hose, 1/4 Inch OD, Capable of 0 to 4500 psi
Materials:
Cloths (E120)
Marking Pencil (E271)
Personnel Required:
Aircraft Pneudraulics Repairer
Inspector
Equipment Condition:
Off Helicopter Task
Hydraulic Test Setup
Sequence Valve Installed in Crash-Proof Box
General Safety Instructions:
Use suitable crash box to shield
personnel and equipment in case of
failure during test.
Hydraulic fluid (E199) is toxic. It can
irritate skin and cause burns. Avoid
inhaling. Use only with adequate
ventilation. Avoid contact with skin,
eyes, or clothing. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
7-1039