TM 55-1520-240-23-6
7-23
REMOVE NO. 2 FLIGHT CONTROL HYDRAULIC PUMP
7-23
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Open-End Wrench, 1 Inch
Open-End Wrench, 1-1/4 Inch
Container, 2 Quart
Fluorescent Penetrant Method
Materials:
Cloths (E120)
Paper Tags (E264)
Barrier Material (E81)
Gloves (E184.1)
Dry Cleaning Solvent (E162)
Tape (E388)
Tags (E264)
Personnel Required:
Medium Helicopter Repairer
Reference:
TM 1-1520-253-23
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Hydraulic Power Off
Cargo Ramp Open and Level (TM 55-1520-240-T)
Left Transmission Access Door Open (Task 2-2)
Power Drain No. 2 Flight Control Hydraulic System
Reservoir (Task 1-61.1)
Manually Drain Flight Control Hydraulic System
Reservoir (Task 7-113)
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 ejected under pressure
can cause injury to personnel.
Hydraulic fluid sprayed into the air is
a fire hazard.
7-157
