Lull 1044C-54 Series II Operation Manual - Manual (Page 39)

Section 3 - Controls and Indicators
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13. Beacon Light Switch (if equipped): On/Off switch.
Hazard Light Switch (if equipped): On/Off switch.
14. Work Light Switch (if equipped): On/Off switch.
Roof Wiper Switch (if equipped): On/Off switch.
15. Transmission Declutch Switch: Depress top of switch to activate transmission
declutch function and have transmission declutch while depressing service
brake. Indicator illuminates to indicate transmission has declutched. Depress
bottom of switch to deactivate transmission declutch function and keep
transmission engaged while depressing service brake.
16. Shutdown Override Switch (John Deere Engine): Depress and release to delay
engine shutdown for 30 seconds. The switch resets the shutdown timer to 30
seconds and may be used repeatedly.
Switch also used to retrieve engine fault codes. See Service Manual for details.
17. Engine Warning Indicator (Cummins Engine): Illuminates and buzzer sounds
when critical engine fault is detected.
Indicator also flashes engine fault codes. Diagnose fault using the Cummins
diagnostic system. See Service Manual for details.
18. Engine Air-Intake Preheat Indicator (Cummins Engine): With ignition key in the
“RUN” position, illuminates until engine is preheated.
19. Engine Fault Indicator (Cummins Engine): Illuminates when diagnostic system
has detected a fault within the engine. Diagnose fault using the Cummins
diagnostic system. See Service Manual for details.
WARNING
UNEXPECTED MOVEMENT HAZARD. Always apply park brake or service
brake and return engine to idle before deactivating transmission declutch
function. Deactivating transmission declutch with engine above idle could cause
the machine to move abruptly.
NOTICE
EQUIPMENT DAMAGE. When low brake pressure, check engine or engine
warning indicators illuminate, immediately bring machine to a stop, lower boom
and attachment to ground and stop the engine. Determine cause and correct
before continued use.