JLG G12-55A Operator Manual - Manual (Page 38)

Section 2 - Pre-Operation and Inspection
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2.4 WARM-UP AND OPERATIONAL CHECKS
Warm-Up Check
During warm-up period, check:
1. Heater, defroster and windshield wiper (if equipped).
2. Check all lighting systems (if equipped) for proper operation.
3. Voltmeter should show 13.5 to 14 volts.
4. Adjust mirror(s) for maximum visibility.
Operational Check
When engine warms, perform an operational check:
1. Service brake and parking brake operation.
2. Forward and reverse travel.
3. Each gear.
4. Steering in both directions with engine at low idle (steering lock to lock will not
be reached). Check in each steering mode.
5. Horn and back-up alarm. Must be audible from inside operators cab with engine
running.
6. All joystick functions - operate smoothly and correctly.
7. Perform any additional checks described in Section 8.
WARNING
CUT/CRUSH/BURN HAZARD. Keep engine cover closed while engine is
running except when checking transmission oil level and hydraulic filter condition
indicator.