18752 Mariner 'O'RING

2. Remove bolts (3) that hold adapter (5) and hose assembly (4) in position. Remove adapter (5) from the engine oil cooler bypass elbow. 3. Use a hammer and punch to push spring pin (9) out of pin (8) and adapter (5). Remove pin (8), spring (7) and check valve (6) from adapter (5). 4. Disconnect hose assembly (1) from the valve assembly. Disconnect hose assembly (12) from the elbow.5. Remove the bolts that hold pump (10) to bracket (11), and remove pump (10).Install Oil Sump Pump
1. Put pump (1) and the oil lines in position. Install the bolts to hold the unit to bracket (5).2. Connect hose (4) to elbow (3). Connect hose (6) to valve assembly (2). 3. Install spring (8) and check valve (7) on pin (9). Make sure the tapered end of valve (7) is toward adapter (10).4. Put pin (9) in position in adapter (10), and install spring pin (11) to hold the unit together. Push pin (11) through pin (9) until pin (9) is in the center of the bore in adapter (10). 5. Make sure O-ring seal (12) is in position on the engine oil cooler bypass elbow, and put clean engine oil on it.6. Put adapter (10) in position, and install the bolts to hold it and the clip for hose assembly (13). 7. Connect hose assembly (6) to adapter (10).8. If necessary, add clean engine oil to the correct level in the engine. See the Maintenance Manual.Disassemble Oil Sump Pump
Start By:a. remove oil sump pump 1. Remove nut (1) and handle assembly (2) from the pump shaft. 2. Remove plastic packing nut (4), two bolts (3) and head (5) from the pump cylinders. 3. Remove shaft (6) from head (5). 4. Remove packing (7) from head (5). 5. Remove rotor (8), vanes (9) and the springs from the pump cylinder.Assemble Oil Sump Pump
1. Put clean engine oil on the parts of the pump before assembly. 2. Install shaft (2) in pump head (1). 3. Install rotor (3) in pump cylinder (4) with the grooves for the pin in shaft (2) up as shown. 4. Install springs (5) and carbon vanes (6) in rotor (3).
A new gasket set has three thicknesses of gaskets. The identification is as follows: no holes or two punched holes for 0.05 mm (.002 in.), three punched holes for 0.08 mm (.003 in.), four punched holes for 0.10 mm (.004 in.). For replacement, use a gasket of a thickness that will let the pump rotor turn freely. If too thick a gasket is used, the pump can lose its vacuum or priming ability.
5. Install head (1) and the gasket (of the correct thickness) on cylinder (4). Make sure pin (7) engages correctly with one of the notches (8) in the rotor. Install the two bolts that hold head (1) to cylinder (4). 6. Install packing (10) around the pump shaft. Install nut (9) in the pump head to hold packing (10) in place. 7. Put handle assembly (11) in position, and install the nut to hold it to shaft (2).End By:a. install oil sump pump