jcb 426 - Brakes; Park Brake

Routine Maintenance
Brakes
136 136
9811-3400-4
Brakes
Park Brake
Introduction
T3-071
!MWARNING
Do not use a machine with a faulty park brake.
3-2-3-10_2
!MWARNING
Non approved modifications to drive ratios, machine
weight or wheel and tyre sizes may adversely affect
the performance of the park brake.
3-2-3-11
Make sure that you obey all health and safety precautions
before you test or adjust the park brake.
If you have any queries concerning the park brake test or
adjustment procedures, consult your local JCB distributor.
Testing the Park Brake
P4-2005_3
!MWARNING
Do not use a machine with a faulty park brake.
3-2-3-10_2
!MWARNING
Non approved modifications to drive ratios, machine
weight or wheel and tyre sizes may adversely affect
the performance of the park brake.
3-2-3-11
Important: Ensure all routine health and safety
precautions are observed before operating machines.
Note: If you have any queries concerning this test
procedure or park brake adjustment, consult your local
JCB distributor.
!MWARNING
Before testing the park brake make sure the area
around the machine is clear of people.
2-2-4-5
Note: Test the brake on a level, dry surface. Make sure
your seat belt is securely fastened.
1 The attachment should be in the travelling position.
2 Make sure the park brake is fully engaged.
3 Switch off transmission dump.
4 Switch off Auto/Manual switch.
5 Select third gear/range (barrel position 3) but remain
in neutral
6 On the EMS Panel.
a Press the two arrow keys and the SETUP key at
the same time to select the AEB setup menu.
b Use the UP and DOWN arrows to select the park
brake test menu.
c Press SETUP key to select park brake test on.
7 Push down hard on the brake pedal and select
forward drive.
Note: An audible alarm will sound and a warning light will
show when the park brake is engaged with the machine in
forward (F) drive. The alarm will stop when neutral (N)
drive is selected.
!MWARNING
If the machine starts to move during the following test,
immediately apply the foot brake and reduce the
engine speed.
2-2-5-1
8 Release the brake pedal.
a If the machine has not moved, use the accelerator
pedal to gradually increase the engine speed to
the full-throttle position. The machine should not
move.
b Reduce the engine speed to idle and set the
forward/reverse lever (or switch) to neutral.
Note: Do not do this test for more than 20 seconds.