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according to axles type and loading ca-
pacity. The maintenance, modification or
repair operations must be performed by
authorized services.
3.1.5.1. Manually Deactivation of
Parking Brake Spring
The Parking brake spring may be deacti-
vated manually in emergency situations.
Deactivation of brake chambers
1.Boreholes
2.Release rod
3.Nut
4.Slot of the release rod
• Remove the release rod (2) from the
slot (4).
• Insert the release rod (2) to bore-
holes (1) and screw till the rod (2)
will be fitted completely.
• Completely screw in the nut (3) to
the release rod (2).
The brake chambers will be deactivated
after this operation. In this case, the
brake chamber only works on the service
brakes. Even if the trailer air tube pres-
sure drops below 2.5 Bar, the spring
brake will not be activated due to this
operation.
On some brake chambers
used in vehicles, the emer-
gency release screw is lo-ca-
ted in its socket (1) behind the
brake chamber, not in its soc-
ket (4) next to it. In order to di-
sable the springs, it is allowed
to come out by simply turning
it with the appropriate key.
This operation should only be
used until the trailer is
serviced.
Before this operation, the ve-
hicle must fixed securely with
wheel chocks. Serious inju-
ries may occur.
3.1.5.2. Activation of Brake Chambers
Activation of brake chambers
• Remove the nut (1) from release rod
(2) with a spanner.
• Remove the release rod (2).
• Screw the release rod into its place
on the brake chambers (3)
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