HIGH PRESSURE PUMP - TM-10-4610-232-34

TM-10-4610-232-34 Water Purification Unit Reverse Osmosis 3 000 GPH Trailer Mounted Flatbed Cargo 22-1/2 Ton 8 Wheel Tandem Model No. WTA-060 Manual
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TM 10-4610-232-34 3-6. HIGH PRESSURE PUMP. This task covers: a. Disassembly. b. Repair. c. Reassembly. INITIAL SETUP. Tools, see TM 10-4610-232-12, Appx B, Equipment Condition: Sec III, Ref Code (No.) High pressure pump removed from ROWPU. Tool Kit, General Mechanics Automotive (1) Pump drive sheave removed (para. 2-77). Materials/Parts: Stuffing boxes removed from pump (para. 2-78). Solvent, Cleaning (Appx B, Sec II, Item 32) General Safety Instructions: Rubber Gloves (Appx B, Sec II, Item 43) WARNING Observe specific Warning in text. NOTE To prevent unnecessary down time, valves, packings, and other wear items should be replaced while doing drive end maintenance. a. Remove oil level sight gage ( 1, Figure 3-6) and remove sixteen capscrews (2). Remove cover (3) and gasket (4). CAUTION The caps and connecting rods are coded and must always be assembled as matched pairs. b. Remove nuts (5) and caps (6) from connecting rods (7). c. Remove sleeve bearings (8) from the connecting rods (7) and caps (6). CAUTION Be careful not to damage crankshaft or cross head bores when positioning connect- ing rods. d. Position the connecting rods (7) at the top dead center to provide clearance for removal of the crankshaft. CAUTION Crankshaft should be handled carefully when removing bearing housing to keep from damaging or scarring the crankshaft or pump case. NOTE If necessary, tap bearing housings with a rubber mallet to ease removal. Keep shims with their respective housings for use at assembly. e. Remove six capscrews (10 and 11), bearing housings (12 and 13), gaskets (14) and shims (15). CAUTION Be careful to prevent damaging crankshaft. f. Carefully remove crankshaft (16), through opening in side of case, and bearing races (17 and 18). 3-15

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