Walker H24d Operator's Manual

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Operating Instructions31Circuit BreakersTwo manual reset circuit breakers are located on thefront body. Each has a button that pops out if thecircuit breaker trips. The 10 amp circuit breaker protects the safety and ignition circuits. The 7 amp protects the indicator lamps and hourmeter.Glow Plug Activation LightThe glow plug activation light indicates the glowplugs are operating (preheating).Battery/Charge Malfunction LightThe charge light indicates the electric system is notbeing charged.Oil Pressure Warning Light/HornThe oil pressure warning light and horn signal indicate that engine oil pressure is below the safe operating level [below 7 PSI (48 kPa)]. This light (andwarning horn) will come on when the ignition isturned ON, but should go off after the engine isstarted. If the light fails to come on when the ignitionswitch is turned ON, it could indicate a burned outbulb, or the inline 7 amp circuit breaker could alsobe tripped. If the light comes on during engine operation, stop the engine immediately and correct thesource of the problem before further engine operation.IMPORTANT: Continued operation of the enginewith an illuminated oil pressure warning light MAYcause severe engine damage (if a low oil pressurecondition exists).Water Temperature Warning Light/HornThe water temperature warning light and horn signalindicate that engine coolant temperature is abovethe safe operating limit and the engine is overheat-ing. If this light comes on, there may be a problemwith:● Radiator cooling air flow (material packed intoradiator cooling fins, clogged air intake screen)● Electric Radiator Fan not operating properly● Low coolant quantity in cooling system● Thermostat function● Coolant pumpStop the engine and correct the source of the problem before further operation.IMPORTANT: Continued operation of the enginewith an illuminated water temperature warning lightMAY result in severe engine damage.Circuit Breakers, Glow Plug Activation Light and Engine Warning Lights/HornGlow PlugActivation LightBattery/ChargeMalfunction LightOil PressureWarning LightWater TemperatureWarning LightCircuitBreakersWarningHorn