Gradall XL3100IV, Operators Safety Manual

Page: 56 / 172

Section 2 - Pre-Operation and Controls
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2.8 UPPERSTRUCTURE CAB CONTROLS & INDICATORS
Electronic Monitoring Unit
Note: When key is turned to the “RUN” position (see page 2-44 for details), the
engine stop, check engine, and optional engine preheat displays illuminate for
approximately two seconds and then go off. Depending on the temperature, the
optional engine preheat light may continue to illuminate until the intake manifold
warms to proper temperature.
1. Fuel Level Indicator: Illuminates red if fuel level falls below 25% of capacity.
2. Mini Siren: Pulsing sound indicates engine shutdown has been initiated -
Steady sound indicates low air system pressure or a travel lockout condition.
3. Hydraulic Oil Level Indicator: Illuminates red if oil level falls below acceptable
operating level.
4. Hydraulic Filter Indicator: Illuminates red to indicate hydraulic reservoir filter
needs replaced. See page 5-24 for details.
5. DEF Level Indicator: Illuminates red to indicate Diesel Exhaust Fluid (DEF) level
is less than 14%. Light will begin to blink 30 minutes after DEF level reaches
less than 10% and engine torque will begin to derate.
6. Travel Lockout Indicator: Illuminates yellow if travel motor or range gear is not
engaged. An audible alarm is also activated.
7. Parking Brake Indicator: Illuminates red to indicate the parking brake is applied.
8. Engine Preheat Indicator (if equipped): Illuminates yellow to indicate grid
heaters are warming intake manifold to proper starting temperature.
OAC1660
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