TM 9-2320-289-343-33. ENGINE OIL PUMP MAINTENANCE (Con’t).3. Check shaft (15) for looseness in oilpump body (14). If loose, replaceengine oil pump (4) as an assembly.Check to see if gear teeth on shaftare cracked or worn. If gear teeth arecracked or worn, replace engine oilpump as an assembly,4. Inspect shaft (1). If worn, removeretainer (6), and replace shaft andretainer.5. Place oil pressure regulator valve(11) in cover (10) to check for properfit. If oil pressure regulator valvebinds or fits loosely, replace.d. ASSEMBLY 1. Install 2 oil pump pins (2) in rear mainbearing cap if removed.3-108T A 5 0 7 10
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