Operating the Machine
4-11
Brake Function Checks
In addition to the above checks, the following brake function checks can
be carried out to determine if both the service and emergency brake
systems are functional before operating the machine.
CAUTION
Make sure the area around the machine is clear of personnel and
obstructions before carrying out these checks.
NOTICE:
The following checks are NOT intended to measure maximum
brake holding ability. If NEW brake pads are fitted, they MUST be
burnished as per the manufacturer’s recommendations before carrying
out the checks.
Service Brake Holding Ability Check
Depress the service brake pedal and move the transmission gear shift to
Drive. Pull the parking-emergency brake control out to release the brakes.
Depress accelerator control and accelerate the engine to 1 350 rev/min.
The machine should not move. Decelerate engine, shift transmission to
'NEUTRAL' so that the parking brake is applied automatically, before
releasing the service brake pedal.
Emergency Brake Holding Ability Check
Push the parking-emergency brake control in to apply 'EMERGENCY'
brakes and move the transmission gear shift to Drive. Depress
accelerator control and accelerate the engine to 1 350 rev/min. The
machine should not move. Decelerate the engine, move the gear shift
control to 'NEUTRAL' and pull out the parking-emergency brake
control.The parking brake is applied automatically when the transmission
is shifted to ‘NEUTRAL’.
NOTICE:
Brake holding effort required to hold a machine static at a spe-
cific rev/min., can vary from machine to machine due to differences in
engine performance, power train efficiencies, etc., as well as differences
in brake holding ability.
NOTICE:
As an indication of system deterioration, a comparison can be
made between the current amount of movement, with the service/
emergency brakes applied and previous checks.
CAUTION
If the machine moves during the above checks, stop the
machine, apply the parking brake and do not operate until the
fault is corrected.
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