TM 10-4320-344-242.16.13 Tachometer/HoumeterAssemblyMaintenance. Models 609-A and US636HCCD-1.This task covers:2.16.13.1 Removal2 .16 .1 3 . 3 I n s t a l l a t i on2 .16 .1 3 . 2 R e p a irINITIALSETUPToolsEquipmentConditions(Continued)General Mechanic’s AutomotiveControl Panel Cover Assembly removed,Tool Kit, Appendix B, Sectionparagraph 2.16.1 (609-A) or 2.16.2III, Item 1(US636HCCD-1).Materials/PartsGeneral Safety InstructionsLock Washers (TM 10-4320-344-24P)To prevent rolling or sliding, do not workon equipment that is not securelyEquipment Conditionss t a b i l i z e d.Pumping station shut down, TMDo not work on equipment with battery10-4320-344-10.connected.Electrocution hazard is presentif battery is connected.Battery disconnected, paragraph2.14.2 (609-A) or 2.14.4Do not work on equipment without following(US636HCCD-1).standard shop safety precautions.This procedurei s s i m i l a r.2.16.13.1 Removal.Do not work onapplies to Model 609-A.The procedure for Model US636HCCD-1equipment with battery connected.Electrocution hazard ispresent if battery is connected.Failure to obey this warning may result indeath or serious personal injury.a .Disconnect tachometer cable (Figure 2-64, 1) from tachometer/hourmeterassembly (2).b .Remove two nuts (3), lock washers (4), mounting bracket (5), andtachometer/hourmeter (2) from control panel (6).Discard lock washers (4).2.16.13.2 Repair.a .Inspect tachometer/hourmeter assembly (2) for cracks, broken glass, or damage.b .Inspect all mounting hardware for damage.c .Replace all defective components.2.16.13.3 Installation.a.Install tachometer/hourmeter assembly (2) in control panel (6) and secure withmounting bracket (5), two new lock washers (4), and nuts (3).b.Connect tachometer cable (1) to tachometer/hourmeter assembly (2).2-169
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