PRONAR T683, Руководство оператора

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Pronar T683 SECTION 5
5.16
Before commencing adjustment make certain that the main break is correctly regulated and
is functioning properly.
Adjustment of parking brake cable tension should be conducted in the event of:
•
stretching of cable,
•
loosening of parking brake cable clamps
•
after adjustment of axle brakes,
•
after repairs to axle brake system,
•
after repairs in parking brake system.
Replacing the parking brake cable
Hitch trailer to tractor. Park trailer and tractor on level surface.
Place wheel chocks under trailer wheel.
Fully unscrew the bolt of the brake crank mechanism (1).
Loosen nuts (6) of U-bolt clamps (5) located at the ends of the cable to be
replaced.
Dismantle proper shackles (7) at the ends of the cable to be replaced.
Dismantle parking brake cable.
Clean parking brake components, lubricate crank mechanism and pins of
cable guide rollers.
Install new cable.
Parking brake cable must be fitted carefully.
Thimbles and three clamps must be fitted at the ends of the cable.
Clamps must be tightened. The distances between the clamps may
not be less than 20 mm.
Clamp jaws must be placed on the side of the load bearing cable -
see figure (5.8).
The first clamp should be placed directly on the thimble.