PRONAR 663/4 SILO, Operator'S Manual, Page: 95 / 135

SECTION 5 Pronar T663/4 T663/4 SILO
5.3
may be performed by specialist workshops.
DANGER
Do NOT use the trailer when brake system is unreliable.
5.2.2 INITIAL INSPECTION OF AXLE BRAKES,
After purchasing trailer, the user is responsible for general checking of brake system of trailer
axle.
Initial inspection of axle brakes must be conducted:
•
after first use,
•
after first travel with load.
Inspection procedures
Hitch trailer to tractor and place chocks under trailer wheel.
Engage and release in turn the main brake and then the trailer parking brake.
Main brake and parking brake should be engaged and released
without great resistance and severity.
Check means of securing cylinders and return springs.
Check cylinders movement and correct return of piston to start position.
The help of a second person is required, who shall engage trailer
brake.
Check if axle elements are in place, (cotter pins in castellated nuts, expansion
rings etc.).
Check hydraulic cylinders or pneumatic cylinders for tightness - compare
sections 5.3.2 and 5.4.2.