TM 55-1520-240-23-6
7-50
TEST ACCUMULATOR (2770529/AD-A620-1D340 OR 60910) (AVIM)
7-50
INITIAL SETUP
Applicable Configurations:
All
Tools:
Hydraulic Repairers Tool Kit, NSN 5180-00-323-4891
Hydraulic Pressure Gage, 6000 psi
Hydraulic Test Stand
Test Block (145G0055-1)
Wood Dowel, 3/8 Inch X 6 Inches
Nitrogen Supply With Regulator
Hydraulic Pressure Gage, 500 psi
Shutoff Valve (4)
Air Pressure Gage, 10 psi
Restrictor Valve
Graduate, 5 cc
Reservoir (APP E-11)
Tube, 1/4 Inch, 0 to 5000 psi
Nipple, 1/4 Inch
Tee, 1/4 Inch (5)
Stop Watch
Materials:
Cloth (E120)
Hydraulic Fluid (E198)
Hydraulic Fluid (E199)
Gloves (E184.1)
Personnel Required:
Aircraft Pneudraulics Repairer
Inspector
References:
Appendix E
TM 55-1520-240-23P
Equipment Condition:
Off Helicopter Task
Test Setup
Accumulator Installed in Crash Proof Box
General Safety Instructions:
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.
Hydraulic fluid (E199) ejected
under pressure can cause injury to
personnel. Hydraulic fluid sprayed
into the air is a fire hazard.
Use suitable crash proof box to shield
personnel and equipment in case of
failure during test.
7-249
