SK150/160LC
~ SK270LC IV OPERATION AND CONTROLS
The following information is given to locate and explain the function of the Operator Control Switches for the Models SK150~ SK270.Usethis information in conjunction with the Electrical Schematicswhentroubleshooting particular circuits.
1. KEY SWITCH
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4.WIPER & WASHERSWITCH HEAT - Grid heater air-intake. OFF- Disconnectselectrical powerto all electrical components. ACC- Allows use of electrical accessories. ON- Supplieselectrical powerto all machine electdcalcircuits. START- Engages starter to allowstarting of the engine.
2.THROTTLE POTENTIOMETER
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Electrically controls engineRPM,in conjunctionwith CPU and steppingmotor,by rotating switch clockwiseor countemlockwise. LO- Lowestengine RPM.Idle position. No Load, 850 RPM~ 900 RPM HI- Highest engineRPM.Hi Idle position. No Load- 2355 RPM~ 2405 RPM
3. KPSS MODESWITCH H - For best machineperformancein heavy digging operations. S - Best machineperformanceand control in light duty operations. FC- Bestperformance whereprecision fine control is required. D - For fine meteringof travel operations.
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OFF-Turns Wiper "OFF". positionallowsintermittentoperationof wiper. ~-This >This position allowscontinuousoperationof wiper. ~ PUSHDOWNCauseswasher to spray washer fluid onto windshield.
5. HEAVYLIFT SWITCH
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DEPRESS this side to turn HeavyLift Mode"ON" DEPRESS this side to turn HeavyLift Mode"ON’.
HYDRAULIC OILTEMPERATURE ALARM LAMP ON- Lampilluminates whenHydraulic OilTemperature
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3°C (26"6°F) I°wer" OFF- isLamp goes out or when Hydraulic Oil Temperature reaches10°C(40°F). NormaloperaUng temperature of hydraulic oil is 45~C .55°C (113°F~ 131°1=).
7. 24V CIGARETTE LIGHTER ON-Pushin. OFF-Lighter "POPS"out. Thelighter shouldpopout within 30 seconds. If it doesn’t, have it repaired. Donot use lighter for a 12Vpowersource.
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