SEAL 3253780 - Caterpillar

Remove Sea Water Pump
1. Remove plug from bottom of pump and remove sea water from pump. 2. Disconnect inlet line from cover (3).3. Remove elbow (1) and top tank (2) from the pump. 4. Remove the retainer assembly (4).5. Remove cover (3) and gaskets from the pump.6. Remove the six bolts that hold pump to accessory drive housing.7. Remove the sea water pump.Install Sea Water Pump
1. Put the sea water pump (1) on the engine. Install the bolts that hold pump to accessory drive housing.2. Install the retainer assembly (4). 3. Install the cover (2) with enough gaskets (5) to have a clearance of .005 to .020 in. (0.13 to 0.51 mm) between cover (2) and face of impeller (3).4. Install the top tank and elbow.5. Connect the inlet line to cover (2). Install the plug in bottom of pump.Disassemble Sea Water Pump
start by: a) remove sea water pump1. Remove the cotter pin, nut and washer that hold impeller to shaft. 2. Install the nut even with end of shaft. Install two 5/16"-18 NC x 2 in. long bolts in the impeller. Loosen the impeller from taper of shaft with tooling (A). 3. Remove tooling (A). Remove nut, impeller, plate and gasket (1).4. Remove the cotter pins (4) and ring (2) from pins.5. Remove the plate (3) and bellows (5) from the housing.6. Remove six bolts and locks.7. Remove the gear (6) from shaft. 8. Remove four bolts (9) and locks that hold bearing on retainer. Remove bearing (10).9. Remove two bolts (8) and locks that hold retainer to housing. Remove retainer assembly (7). 10. Remove the bearing (11) from retainer.11. Remove the seal (12) from retainer.Assemble Sea Water Pump
1. Install bearing in retainer with tooling (A). Install bearing with oil hole in bearing in alignment with oil hole in retainer.2. Install seal in retainer with tooling (B). Install seal with lip toward the bearing.3. Put clean engine oil on lip of seal. 4. Install retainer assembly (3). Install the bearing (4). Install the shaft (2).5. Install the gear (1) on shaft.6. Install the bellows and plate in housing. The smooth side of plate must be away from housing. 7. Install the ring (5) and cotter pins.8. Install the gasket and plate. The smooth side of plate must be away from impeller. 9. Install the impeller (6).10. Install the washer and nut (7). Tighten the nut to 55 10 lb.ft. (75 14 N m) and install cotter pin. If cotter pin cannot be installed, tighten nut until it can be installed.end by: a) install sea water pump