8
Safety check contd.
e
f
h
g
d
Operation check - power actuator
• Fold out the yellow handle (d). Simultaneously
press on the mark “Press” on the handle and turn the
handle anti-clockwise to “OPEN”. Then turn it back to
“CLOSE”.
The coupling pin should remain in the up/open posi-
tion.
• Connect to the trailer according to the driver instruc-
tions on page 14-15.
Air leaks
• Check that there is no audible air leakage from the
valve (e), the connection to the auxiliary air system (f),
pipes (g) or actuator (h).
• In extreme cold, minor air leaks can occur. These can
be eliminated by cutting off the air supply by turning
the control box’s red handle (d) a quarter of a turn anti-
clockwise to OFF.
Contact the nearest workshop for corrective measu-
res.
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