TM 10-4320-344-243.8.16 V-Belt Tensioner Maintenance. Models 609-C and US636HCCD-1.This task covers:3.8.16.1 Removal3.8.16.4 Assembly3 .8 .1 6 . 2 D i s a s s e m b ly3 .8 .1 6 . 5 I n s t a l l a t i on3 .8 .1 6 . 3 R e p a irINITIALSETUPToolsGeneral Mechanic’s AutomotiveTool Kit, Appendix B, SectionIII, Item 1Material/PartsRags, Appendix C, Item 20Gasket (TM 10-4320-344-24P)Preformed Packing (TM 10-4320-344-24P)Equipment ConditionsPumping station shut down, TM 10-4320-344-10.V-Belt Guard removed, paragraph 2.21.11(US636HCCD-1).EquipmentConditions(Continued)V-Belts removed, paragraph 2.21.12.V-Belt Contact Switch and MountingBracket removed, paragraph 2.21.19.General Safety InstructionsDo not work on equipment that is notsecurely stabilized to prevent rollingo r s l i d i n g.Do not work on equipment without follow-ing standard shop safety practices.This procedurei s s i m i l a r.3.8.16.1 Removal.a .Remove screwapplies to Model(Figure 3-34, 1)US636HCCD-1.The procedure for Model 609-Cand flat washer (2).b .Remove nut (3) and flat washer (4).c .Remove V-belt tensioner housing (5) and preformed packing (6).Discardpreformed packing (6).3.8.16.2 Disassembly.a .Remove three screws (7), cover (8),Discard gasket (9).and gasket (9) from pulley assembly (10).b.Remove nut (11), flat washer (12), pulley screw (13), pulley assembly (10),and shims (14) if present.3.8.16.3 Repair.a .Inspect pulley assembly (10) forb.Inspect all other components andc .Replace all damaged or defective3.8.16.4 Assembly.a.Position pulley assemblv (10) onfree rotation without grinding or seizing.mounting hardware for damage.components.V-belt tensioner assemblv (5) and secure withshims (14) if present during disassembly, pulley screw (13); flat washer (12),and nut (11).3-80
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