PENTA DB30 Owner's Manual page 22

Suspensions & Brakes
Checking Clearance and wear
Check and test the brakes before intensive use and every 3 months:
Check the brake wear and the clearance between the brake linings and the drum visually.
It is probable that the linings are worn when the actuator travel has increased significantly.
Check the thickness of the brake linings
The brake shoes should be replaced as soon as the minimum lining thickness is reached.
Check that the brakes are clean and clean them if necessary
ADJUSTING BRAKES (WITH FIXED LEVERS)
Every 3 Months
Take up the slack when the actuator stroke reaches about two thirds of the
maximum travel.
To adjust, turn the lever by one or more splines, ensuring that the brakes are not
touching when released
(to prevent overheating the brakes).
Never change the linkage position for the actuator on the lever. Always use the original hole
For braking systems which use a yoke, the yoke must remain parallel with the
axle especially when the brakes are fully applied
This means that the stroke of the levers on the brakes at each side must be
identical. Otherwise, the brake slack must be adjusted.
ADJUSTING BRAKES (WITH ADJUSTABLE LEVERS)
Every 3 Months
Take up the slack when the actuator stroke reaches about two thirds of the
maximum stroke
Never change the linkage position for the actuator on the lever. Always use the original hole
To take up the slack, turn the adjustment screw on the lever to adjust the relative
position of the cam and the lever
NB. The actuator brakes by pushing the
lever to turn it in a particular direction. The screw must be adjusted so that
the cam moves in this direction to take up the slack.
The direction in which the screw must be
turned depends on the configuration of the axle.
Ensure that the brakes are not touching when
released (to prevent overheating the brakes).
For braking systems which use a yoke, the yoke must remain parallel with the
axle especially when the brakes are fully applied
This means that the stroke of the levers on the brakes at each side must be
identical. Otherwise, the brake slack must be adjusted.
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