Initial Inspection Of Axle Brakes - PRONAR PT512 Operator's Manual

CHAPTER 5
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 the trailer, the user is responsible for general checking of brake system of
trailer axle.
Initial inspection of axle brakes must be conducted:
Inspection procedures
Hitch the trailer to a tractor and place chocks under trailer wheel.
Engage and release firstly the main brake and then the trailer parking brake.
Check mounting of cylinders and return springs.
Check stroke of cylinders and correct return of piston to start position.
Check if axle elements are complete (cotter pins in castellated nuts, expansion
rings etc.).
Check hydraulic cylinders or pneumatic cylinders for tightness – see chapters
5.3.2 and 5.4.2.
• after first use,
• after the first travel with load.
The main brake and the parking brake should be engaged and
released without great resistance and severity.
Assistance of a second person is required, who shall engage the
trailer brake.
5.3
Pronar PT512