17
/
88
When the couplings are mount-
ing/demounting,
the
parking
brake of the truck and trailer must
be engaged.
If the brake parameters are modi-
fied, your vehicle's brake calcula-
tion might be non-suitable for reg-
ulations. Only authorized services must
service to the EBS modulator.
Only authorized services and per-
sonnel should make service oper-
ations for the brake system.
There might be test points on the chassis or
above the air couplings. When you remove the
test points rubber protection parts and push
the points you can check the air pressure on
the brake lines.
Test point
Palm coupling with a test point
3.1.1.1. Mounting of Standard
(Palm) Couplings
Couplings
•
Slightly slide plastic covers to the up-
per side. Slide plastic covers to upper
side.
•
Be sure that sealing surfaces are
clean and durable. If necessary,
clean/change the air coupling.
•
The coupling which comes from the
truck should be pushed slightly from
the upper side to the lower side and
connect the coupling. Be sure that co-
uplings are matched correctly.
•
First mount service line yellow (1).
•
Mount supply line red (2).
3.1.1.2. Demounting of Standard
(Palm) Couplings
•
The coupling which comes from the
truck should be pushed slightly from
the lower side to the upper side and
demount the coupling.
•
First demount the supply line red (2).
•
Demount the service line yellow (1).
•
Slightly slide plastic covers to the
lower side and close the plastic co-
vers.
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