TM  10-3930-638-24&P 9 3-24. STEERING SYSTEM MAINTENANCE (cont) c. Hydraulic Pump Repair (cont). LOCATION ITEM ACTION REMARKS STEP INSPECTION Retaining   rings Inspect (17  and  19) 10 Cap   screws   (2), Inspect plug   (23),   cap (23A),    coupler ( 2 3 B ) ,    f i t t i ng (23C),   and connector   (23D) 11 Bushings   (25) Inspect 12 13 14 Key   (1) Inspect Dowel   pins   (21) Inspect and  intake tube   (22) Front   plate   (3) Inspect Replace   if   cracked,   worn   or damaged Replace, if   worn,   or   if threads   damaged Replace   front   plate   (3)   or back   plate   (4)   if   bushings s c o r e d    o r    p i t t e d ,    i f    o il grooves   damaged,   front   plate bushing   not   flush   with   is- lands   in   groove   pattern,   or if   bushing   worn   to   less   than 0.0879  inch  inside  diameter Replace   if   cracked   or   worn,   or if   loosely   fitting   in   keyway of   drive   shaft   (6) Replace   if   cracked   or   exces- sively   worn Replace   if   machined   face scored,   pitted   or   eroded Change  2      3-182A

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