3-4 Operation 022-00028AE Operation and Maintenance Manual
engine systems (oil pressure, oil temperature, coolant temperature, etc.) are in normal operating
range. If any engine system is not normal, turn starter key to "OFF" position.
NOTE:
Parking brake indicator light turns "ON" or "OFF" according to parking brake operation
regardless of engine starting.
9. Perform “Hydraulic System Warm-up” on page 3-10
10. Check color of exhaust smoke.
• No color or light blue - Engine is running in good condition.
• Black - Incomplete combustion. Check cause.
• White or dark blue - Engine is burning engine oil. Check cause.
11. Check for usual engine vibration and noises. If any are heard or felt, investigate cause.
NOTE:
If engine coolant temperature gauge shows red while running, take the following action;
Discontinue work and allow engine to run at "LOW IDLE." Open engine compartment
cover for good ventilation. Once engine temperature gauge returns to the green zone, shut
down engine. After engine has cooled, check coolant level, look for leaks, clogged or dirty
radiator fins (radiator core), and fan belt tension.
Instrument Panel Light Or Gauge
Indicator
Reading
Fuel Gauge
WHITE RANGEEngine Coolant Temperature Gauge
Transmission Oil Temperature Gauge
Engine Oil Pressure Warning Light
OFFCharging Warning Light
Brake Oil Pressure Warning Light
Parking Brake Light ON
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