OIL PUMP REPAIR (Contd)
a. Disassembly (Contd)
Pipe plug (41)
Remove from cover (40).
Bypass valve seat (33),
Remove from body (29).
Use caution not to damage bypass
valve disc (32), washer
valve seat (33) during removal.
(31), and bypass valve
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only
with effective chip guarding and protective equipment such as goggles or shield, gloves,
etc. Failure to comply may result in injury to personnel.
Approved solvents may be flammable and will not be used near open flame. Use only in
well-ventilated area. Failure to comply may result in injury to personnel.
Cleaning procedures are the same for M915/Big Cam I and M915A1/Big Cam III oil pump
assemblies. M915A1/Big Cam III is shown.
Clean with SD-3 solvent and
Refer to para. 3-6 for cleaning
dry with compressed air.
instructions. Ensure all drilled
passages are opened and cleaned.