Case 2050M - Page 60

3-CONTROLSANDINSTRUMENTS
RAPH12DOZ0136FA2
12.Enginepreheat
WaituntiltheenginepreheatlampturnsOFFbeforestartingtheengine.Theenginepreheatlamp
willilluminatewhentheincomingairneedstobepreheatedincoldtemperatures.
13.Lowfuel
Thelowfuelwarninglampwillilluminateandtheaudiblewarningwillsoundforafewmomentswhen
themachineislowonfuel.Monitorthefuellevelatthefuelgauge.Donotallowthemachineto
runoutoffuel.
14.Engineairlter
Theengineairlterwarninglampwillilluminateifthereisanairlterrestriction.Itwillilluminate
brieywhentheignitionswitchisturnedon.Iftheengineairlterlampremainsilluminated,stopthe
engineandchecktheengineairlter.
15.Enginecoolant
Theenginecoolantwarninglampwillilluminateandtheaudiblebuzzerwillsoundwhentheengine
coolanttemperatureistoohigh.Monitorthecoolanttemperaturewiththecoolanttemperature
gauge.Iftheenginecoolantwarninglampilluminatesandtheaudiblewarningsounds,runthe
machineatidlespeed.Ifthisdoesnotcorrecttheproblem,stoptheengineimmediately,andcheck
themachinecoolant.
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