TM5-6115-593-34NAVFAC P-8-631-34TO-35C2-3-463-2LEGEND FOR FIGURE 13-291.Hose assy14.Lockwasher28.Seat2.Elbow15.Body29 Impeller3.O-ring16.Screw30.Gasket4.Water transfer17.Lockwasher31.Screwtube assy18.Sheave32.Lockwasher5.Screw19.Sheave33.Connection6.Lockwasher20.Sheave34.Gasket7.Connection21.Ring35.Plug8.Gasket22.Bearing36.Plug9.Screw23.Spacer37.Bushing10.Lockwasher24.Ring38.Plug11.Plug25.Shaft39.Flange12.Drain cock26.Seal40.Gasket13.Screw27.Impeller assy41.Cover(c) Press shielded bearing (22) withshielded side to retaining ring (24) overshaft until bearing seats againstretaining ring. Bearings go on "long"end of shaft using the retainer ring as aguide point.NOTEApply load to inner bearing race only.(d) Slide bearing spacer (23) over shaft(25) against bearing.(e) Place bearing (22) with open side tospacer, over water pump shaft andpress into place.(f) Pack space between bearings 55 to 65percent (0.84 to 0.99 ounces - 24 to 28g) full of grease MIL-G-3545.(g) Press shaft and bearing assembly intowater pump body (15).(h) Assemble large snap ring (21) to holdbearing and shaft in position.(i) Place rear adjustable sheave (20) onpulley hub (19); press pulley hub andsheave onto drive shaft until hub seatsagainst bearing race. Support other endof shaft during pressing operation;mount front adjustable sheave (18).Turn water pump body assembly overand press in new carbon face seal (26)with a section of 1-3/4 inch (44.5 mm)inside diameter by 2 inch (50.8 mm)outside diameter tubing until it seals.(j) Lubricate the inside diameter of the newrubber seat (28) with a light coat ofpermanent antifreeze.CAUTIONDo not allow any lubricant on the sealface.(k) Slide the seal seat assembly (rubberand metal seat washer) over the waterpump shaft until the chrome oxide sideof the washer bottoms against thecarbon face of the pump seal.(l) Press impeller (29) onto shaft until thereis 0.022 to 0.031 inch (0.56 to 0.79 mm)clearance between back of impeller andwater pump body (15).(m) Install water pump13-58
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