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TM 10-3930-638-24&P
3-24. STEERING SYSTEM MAINTENANCE (cont)
c. Hydraulic Pump Repair (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
CLEANING
WARNING
D r y c l e a n i n g s o l v e n t P - D - 6 8 0 u s e d t o c l e a n p a r t s i s t o x i c a nd
flammable. Wear protective goggles and gloves and use only in a
well ventilated area. Avoid contact with skin, eyes and clothes and
don-t breathe vapors. Do not use near open flame or excessive heat
and don’t smoke when using it. Failure to do so could cause serious
injury. If you become dizzy while using cleaning solvent, get fresh
a i r a n d m e d i c a l a t t e n t i o n i m m e d i a t e l y . I f c o n t a c t w i t h s k i n or
clothes is made, flush with large amounts of water. If contact with
eyes is made, wash eyes with water and get medical aid immediately.
WARNING
Wear safety glasses when drying parts with compressed air. Failure
to do so could cause serious injury to eyes and possible blindness.
I f y o u h u r t y o u r e y e s o r i f a f o r e i g n o b j e c t i s b l o w n i n t o y o ur
eyes, seek medical attention immediately.
5
All Parts
Clean
Use cleaning solvent P-D-680.
Dry thoroughly with moisture
free compressed air.
INSPECTION
6
Drive shaft (6)
Inspect
Replace drive shaft and gear
(18) if shaft keyway is
broken, splines chipped or
damaged, or if shaft nicked,
burred, or worn to less than
0.873 inch diameter in
bushing areas
7
Idler shaft (7)
Inspect
Replace idler shaft and gear
(20) if shaft nicked, burr-
ed or worn to less than
0.0873 inch diameter in
bushing areas
8
Gears (18 and 20) Inspect
Replace gear (18 or 20) and
shaft (6 or 7) if gear teeth
chipped or broken, gear ends
scored or worn, or if gear
width is less than 0.732
inch. Break sharp edges of
gear teeth with emery cloth
3-182 Change 2
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