TM 5-4320-300-146-6. OIL PUMP (CONT)Location/itemActionRemarks18. Oil pressureCheck that valves move freely in bores inregulator andengine lower front cover. If a valve sticksoil coolerslightly, remove roughness with P-C-458bypass valvescrocus cloth. Inspect plug and spring forexcessive wear or other damage.REPAIR19. Pump rotors,If the lobes and faces of the rotors have deepbody, andscratches or burrs, replace rotors as a matchedcover plateset. If the pump body and cover plate aredeeply scored, replace them.NOTEMinor scratches on the pump rotors, body, or cover plate may be removed with P-C-1673 emerycloth.20. Inner rotorIf splines are excessively worn, replace both rotorsand oil pump(matched set), and replace the drive gear.drive gearsplines21. Oil pressureIf after polishing with crocus cloth, valves doregulator andnot move freely in bores in engine lower frontoil cooler by-cover, replace the valves. If plugs or springs arepass valvesexcessively worn or damaged, replace them.REASSEMBLY22. FlangeInstall flange over pipeend, seal face out.Lubricate new seal ringwith MIL-L-2104 oiland place againstflange seal face.23. ScreenInstall new gasketover studs on backof screen. Join screento bracket on end ofpipe and secure withtwo nuts.6-21
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
