TM 9-2320-289-34
8-5.
POWER STEERING PUMP REPAIR (Con’t).
10.
Remove 2 dowel pins (29) from pump
ring (23). Remove drive shaft seal
(26) and 2 “O” rings (27 and 28).
Discard “ O“ rings,
b. CLEANING AND INSPECTION
WARNING
• Dry cleaning solvent P-D-680 is toxic and flammable. Always wear
protective goggles and gloves and use only in a well-ventilated area,
Avoid contact with skin, eyes, and clothes and DO NOT breathe vapors.
DO NOT use near open frame or excessive heat. The solvent’s flash
point is 100°F-138°F (38°C-59°C). if you become dizzy while using
cleaning solvent, immediately get fresh air and medical help, if solvent
contacts eyes, immediately wash your eyes with water and get medical
aid.
• Compressed air used for cleaning purposes should never exceed 30 psi
(207 kPa). Use only effective chip guarding and personal protective
equipment (goggles/shieid, gloves, etc.). Failure to follow this warning
may result in injury to personnel.
1.
Clean all parts with dry cleaning solvent, Dry with compressed air.
2.
Inspect the following rotating group components:
(a) Vanes (22) for scoring or excessive wear; and fit of vanes in rotor (20) for sticking or
excessive play.
(b) Rotor (20) slots for burrs and excessive wear at thrust faces.
(c) Inner surface of pump ring (23) for scoring or wear.
If any of these conditions exist, replace rotor, vanes, pump ring, and retaining ring (21) as an
assembly.
TA50502
8-35
