TM 55-1520-240-23-5
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INSTALL FORWARD TRANSMISSION MAIN OIL PUMP
6-125
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Torque Wrench, 30 to 150 Inch-Pounds
Materials:
Lubricating Oil (E253, E254, or E254.1)
Parts:
Packings
Personnel Required:
Medium Helicopter Repairer (2)
Inspector
References:
TM 55-1 520-240-23P
Equipment Condition:
Tiedown Line Installed on One Forward Blade (Task
1-26)
General Safety Instructions:
Oil (E253, E254, or E254.1) 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.
Do not install pumps with serial
numbers V534 through V598. ASAM
96-08 directed removal of these
pumps. If found, these pumps are to
be removed from service and returned
for rework.
INSTALL PUMP
NOTE
Lubricate threads of self-locking
nuts prior to torquing and lubricate
packings prior to installation. Use oil
(E253, E254, or E254.1).
1.
Install two packings (1) and packing (2) in pump
(3).
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