SEAL-O-RING (ID=13.80mm) 0961582 - Caterpillar

1. Remove bolts (1) and (2) from engine oil pump manifold (3). 2. Remove four bolts (4) and remove oil pump. The following steps are for the installation of the engine oil pump.3. With O-ring seal in place, on oil pump flange, position the oil pump and install four bolts (4). Tighten bolts (4) evenly to pull oil pump into place.4. Position gaskets and install bolts (1) and (2) to hold manifold.End By:a. install oil filterDisassemble & Assemble Engine Oil Pump
Start By:a. remove oil pump 1. Remove manifold (1). Remove four bolts (2) and remove cover (3). 2. Remove O-ring seal (4) and gear (5).3. Use Tooling (A) and remove driver gear (6).
Before removing input shaft and gear (7) from pump housing, be sure no burrs exist on the input shaft. If the shaft has burrs it could scratch the pump housing and damage it.
4. Remove input shaft and gear (7) from pump housing. The following steps are for the assembly of the engine oil pump.5. Position input shaft and gear (7) in pump housing. Press drive gear (6) onto input shaft until it is flush with the end of the shaft.6. Install gear (6). Install O-ring (4) in cover (3), then install cover and bolts (2). 7. With O-rings in place, install manifold (1).End By:a. install engine oil pump