3-27. MAINTENANCE OF CRANKSHAFT PULLEY AND DAMPER

Figure 3-26. Crankshaft Pulley and Damper

TM-10-4320-315-24 Pumping Assembly Water 600 GPM Trailer Mounted (NSN 4320-01-31448844) Manual
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TM10-4320-315-24 3-27. MAINTENANCE OF CRANKSHAFT PULLEY AND DAMPER This task covers: a. Remove b. Inspect c. Install INITIAL SETUP: Tools Equipment Conditions General Mechanics Tool Kit V-belts removed (para. 2-41). (Item 1, Appendix B) Engine removed from pumping assembly Angle-of-Turn Indicator (para. 3-17). (Item 4, Appendix B) Retainer Tool (Item 19, Appendix B) Multiplier Tool (Item 3, Appendix B) Wrench, Torque (Item 3, Appendix B) Materials/Parts Grease (Item 8, Appendix C) Oil (Item 10, Appendix C) a. REMOVE. (Figure 3-26) NOTE Bolt is left-hand threaded. (1) Using retainer tool (1), hold crankshaft pulley (2) stationary. (2) Turn pulley bolt (3) to the right. Remove bolt (3) and flat washer (4). (3) Remove crankshaft pulley (2). (4) Remove pulley mounting screws (5) and flat washers (6). (5) Remove pulley (2) from damper (7). b. INSPECT (1) Inspect pulley (2) for cracks and chips. Replace defective pulley. (2) Inspect damper shaft for worn or scored surface where engine front sealing ring contacts shaft. Replace worn or scored damper (7). (3) Inspect damper (7) for cracks and chips. Replace defective damper (7). 3-58

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