Hyundai HL930A Operation & Maintenance Manual page 179

Wheel loader
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(2) When the brake does not operate
If the machine does not stop even
though the brake pedal is applied,
use the parking brake.
After using the parking brake as an
emergency brake, ask Hyundai
dealer to check complete brake
system.
(3) Precautions when driving on a slope
When turning on a slope, lower the
work equipment to lower its center of
gravity. Avoid turn on a slope if possi-
ble.
When traveling down a slope
a.
If the main brake is used to often when traveling down a slope, it may be overhea-
ted and damaged. So put the transmission lever in the low speed position and use
the engine as a brake.
b.
If there is a mismatch of speed, torque converter oil temperature may be overhea-
ted. Set the speed to the 1st speed position to allow the temperature to drop.
c.
When the gauge does not move into the green range at the 1st speed, stop the ma-
chine and put it in neutral. Run the engine at a mid range speed until the gauge
moves into the green range.
When the engine stops
If the engine stops on a slope, press the parking brake switch immediately and lower the
work equipment to stop the machine.
(4) Precautions when traveling
Do not travel a long distance at high speed. It may overheat tires and cause premature dam-
age. If it is necessary to travel a long distance at high speed, observe the following.
Comply with the regulations concerning this machine to ensure safety.
Carry out the pre-inspection before starting off.
As the optimum air pressure of tire and optimum driving speed is different according to
the kinds of tires and road conditions, consult Hyundai dealer or tire distributor.
Check the air pressure of tire before driving.
After 1 hour driving, stop for 30 minutes to check any abnormality of tires and other
parts, and level of oil and coolant.
Travel with the bucket empty.
4-19
Parking brake switch

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