McHale V Series Baler
101
9.15.4 Brake adjustment
Machines fitted with brakes, either air or hydraulic, must be initially checked after the
first 50 hours of use and every 100 hours or yearly thereafter (whichever comes first).
The following is the procedure for checking brakes:
WARNING: Ensure safety before working on brake adjustment
Before attempting to carry out brake adjustment, ensure that the tractor
engine has been switched off and the key removed. Testing should be
conducted with the hand brake ‘off’ on both the machine and the tractor
and a second trained person will be required to activate brakes from the
tractor. Also ensure machinery can’t roll by parking machinery on level
ground with wheels chocked. Always wear protective clothing and
gloves.
1. Check dimension ‘X’ before applying brakes
and again when brakes are applied. The
value for ‘X’ should be between 12 and
18 mm.
On hydraulic brakes (top picture) this is
usually the amount of exposed chrome
visible on cylinder rod.
On air-brake systems (bottom picture),
some fixed reference point must be used to
measure the actuator movement.
2. If the value for ‘X’ is not within this
12 - 18 mm range, then the brake can be
adjusted using the adjuster screw, as
shown. Using a 14 mm spanner, turn the
adjuster screw clockwise to reduce the
value and anti-clockwise to increase. Apply
the brake again to check the measurement
and repeat this procedure until the
movement is within the designated range.
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