3-15. AUXILIARY STEERING PUMP AND MOTOR MAINTENANCE
a. Flowmeter Test (SHEET 1 OF 5).
This task covers testing of auxiliary steering
pump and motor to determine whether auxiliary steering pump will provide a maximum
of 6.4 gallons per minute at 2000 psi while its motor draws 525 amperes or less.
This test should be performed monthly to ensure that the auxiliary steering pump and
motor is operational.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Fixed open end wrench set
Flowmeter (FSCM 45225 PN CAS-1028O)
Flowmeter fitting kit (FSCM 45225 PN CAS-10106)
Starting and charging system tester
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
(1) Open access door in front of loader.
(2) Loosen hydraulic reservoir fill
cap (1) to relieve air pressure
in hydraulic reservoir. Tighten
hydraulic reservoir fill cap (1)
after air pressure has been
Dry cleaning solvent P-D-680 used
to clean parts is toxic and
goggles and gloves and use only
in a well ventilated area. Avoid
contact with skin,
clothes and dont breathe vapors.
Do not use near open flame or
excessive heat and dont smoke
when using it. Failure to do so
could cause serious injury. If
you become dizzy while using
cleaning solvent, get fresh air
a n d
m e d i c a l
a t t e n t i o n
immediately. If contact with skin
or clothes is made, flush with
large amounts of water. If
contact with eyes is made, wash
eyes with water and get medical
(3) Using clean cloth moistened with cleaning solvent P-D-680 remove all dirt
and grease from hose (2) fitting where it connects to fitting (3).