Preparation Of The Trailer - PRONAR T679/4M User Manual

Chapter 5

5.3 PREPARATION OF THE TRAILER

DANGER
Secure the tractor cab against unauthorized access.
When working with the jack, the user must read
the instructions for this device and follow the man-
ufacturer's instructions. The jack must stand firmly
against the ground and the trailer elements
Before starting maintenance and repair work with the
trailer lifted, make sure that the trailer is properly se-
cured and will not roll during operation.
THE SCOPE OF ACTIVITIES
• Hitch trailer to tractor.
• Place the tractor and trailer on firm
and level ground for straight travel.
• Apply the tractor parking brake.
• Turn off the tractor engine and remove
the keys from the ignition. Close the
tractor cabin, thus protecting the
tractor against unauthorized access.
• Place safety wedges under the trailer
wheel. Ensure that the trailer will not
roll during inspection.
• In case when the wheel needs to be
raised during the inspection, place
5.6 PRONAR T679/4M
Technical inspection schedule
2
Figure 5.1 Recommended jack substitution
points
(1) control arm, (2) drive shaft
the locking wedges under the wheel
on the opposite side. Place the jack
in places marked with an arrow. The
jack must rest on a firm and stable
surface.
• The jack must be suited to the trailer
weight.
• In exceptional cases, release the
trailer parking brake, e.g. when
measuring the play of the axle shaft
bearings. Take special care.
1 609 I.01-1
2
I.3.2.589.03.1.EN