JLG T350 Service Manual - Manual (Page 53)

SECTION 3 - CHASSIS & TURNTABLE
3121198 – JLG Lift – 3-17
3.9 HITCH COUPLER & AXLE (CE ONLY)
To insure continuing reliability and road safety in traffic,
the maintenance tasks have to be performed at the pre-
scribed intervals. Maintenance, repairs, and replacement
of wearing parts for the chassis and the braking system
may only performed by a qualified garage.
Only original JLG parts may be used in order to:
• ensure proper functioning and safety
• preserve all rights under warranty
• prevent the operating license from becoming invalid
under national and international regulations.
Ball Coupler
The ball coupler is equipped with a safety check indicator.
This consists of clearly embossed symbols to which a red-
green-red label with the same symbols has been glued
and an indicator button. If the label is damaged, it can be
removed and the embossed symbols used, or the label
can be replaced, in which case the lines dividing the
zones on the label and the embossing must be aligned.
UNCOUPLING
To open, pull the coupling handle upwards and then turn it
forwards.
The coupling automatically remains in the open position,
in which the indicator button points to the red field with the
large X.
THE TRAILER MUST NEVER BE DRIVEN IN THIS POSITION.
NEVER INSERT YOUR FINGERS IN THE OPEN BALL COUPLER.
EVEN SLIGHT PRESSURE ON THE SPHERE CAN TRIGGER THE
SPRING-LOAD CLOSING MECHANISM AND RESULT IN INJURY
TO THE FINGERS.
COUPLING
To couple the trailer, place the open ball coupler (X posi-
tion) on the ball of the towing vehicle so that it clicks into
place audibly.
When the ball coupler has clicked into place, the indicator
jumps to the green zone marked +.
After coupling, it is essential to use the indicator to ensure
that the ball coupler has clicked into place on the ball cor-
rectly.
If the indicator is in the green + zone, the ball coupler is
correctly closed and locked, and the ball on the vehicle
still has sufficient wearing reserves.
THERE IS NO SAFE CONNECTION BETWEEN THE TOWING VEHI-
CLE AND THE TRAILER UNLESS THIS HAS HAPPENED, AND THE
VEHICLE COMBINATION MUST NOT BE USED ON THE ROADS
UNTIL THEN. DO NOT FORGET TO RELEASE THE HANDBRAKE ON
THE TRAILER, AND TO FIT THE SAFETY CABLE TO THE BALL
NECK.
The safety cable has the function of forcing the emer-
gency braking of the trailer if it should separate from the
towing vehicle for any reason.