TM 55-1520-240-23-6
7-336
BLEED UTILITY HYDRAULIC RESERVOIR/COOLER, APU PUMP/ MOTOR AND UTILITY
PUMP SYSTEM
7-336
INITIAL SETUP
Applicable Configurations:
All
Tools:
Hydraulic Repairer’s Tool Kit, NSN 5180-00-323-4891
Container, 2 Quart
Workstand
Hydraulic Test Stand
Tiedown Lines (2)
Materials:
Cloths (E120)
Hydraulic Fluid (E199)
Gloves (E186)
Personnel Required:
Aircraft Pneudraulics Repairer (2)
Equipment Condition:
Battery Connected (Task 1-39)
Electrical Power On
Hydraulic Power Off
Cargo Ramp Open and Level (TM 55-1520-240-T)
APU Start Accumulator Serviced (Task 1-64)
Disconnect Engine Igniter (TM 55-2840-254-23)
Repressurize Utility Hydraulic System (Task 7-135.1)
Right Pylon Access Door Open (Task 2-2)
Ground Service Panel Access Cover Open (Task 2-2)
Aft Transmission Baffles Open (Task 2-2)
Aft Transmission Drip Pan Removed (Task 2-3)
APU Drip Pan Removed (Task 2-3)
General Safety Instructions:
Hydraulic fluid (E99) 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 ejected under pressure
can cause injury to personnel.
Hydraulic fluid sprayed into the air is
a fire hazard.
7-1233
