May 2015
Second Edition - First Printing
Part No. 57.0009.0607
GTH 4016 R - GTH 4018 R - GTH-5021 R 57
Operating Instructions
Parking Brake
Always use the parking brake switch to apply the
parking brake before raising the boom.
Always engage the parking brake before leaving
the driver's seat.
Push the bottom of the rocker switch to turn the
parking brake on.
Push the top of the switch to turn the parking
brake off.
Brake Pedal
Use the brake pedal to control the machine speed
and to stop the machine motion.
Push and hold the brake pedal to stop the
machine.
Starting the Engine
1. Be sure the parking brake is set and the
transmission control lever is in the neutral
position.
2. Insert the key in the ignition switch.
3. Turn the key until the engine starts.
If the engine fails to start after 30 seconds of
cranking, determine the cause and repair any
malfunction. Wait 20 seconds before trying to start
again.
Starting in Cold Condition
In cold conditions, 20°F / -6°C and below, warm
the engine for 5 minutes before operating to
prevent hydraulic system damage. In extreme
cold conditions, 0°F / -18°C and below, machines
should be equipped with optional cold start kits.
Attempting to start the engine when temperatures
are below 0°F / -18°C may require the use of a
booster battery.
Steer Select
When the slewing upper structure is slewed
in rearward position, all the steering controls are
reversed!
Do not realign the wheels while driving.
To align the rear wheels:
1. Start the engine, and move the Job-Site/Road/
Platform Select to the job-site position.
2. Rotate the steering wheel until the wheels are
in line with the length of the chassis and the
writing “ALIGNED WHEELS” appears on the
Load Limiting display.
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0
2
