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11
» Pneumatic Disc Brake SL7 - SM7
BRAKE ACTUATOR REPLACEMENT
Check function and effectiveness of the service
brake system.
Chock wheels before releasing spring brake to ensure
the vehicle cannot roll away.
It is not allowed to reuse the nuts of the spring brake
(18).
11.2.4 Attach brake chamber using new nuts (see Fig.).
In order not to tilt the brake chamber during its attachment,
the nuts must be gradually tightened symmetrically with a
suitable tool.
11.2.5 Tighten the nuts according to the specifications of
the actuator manufacturer.
Note:
only use new self-locking nuts.
11.2.6 Connect air hose, making sure that the hose is not
twisted and chafing is not possible.
11.2.7 Check air connection for leakage.
11.3 Removal of Knorr-Bremse Spring Brake
11.3.1 Release parking brake.
11.3.2 Screw-out release bolt (arrow
D
) to the release
position (refer to the vehicle manufacturer’s recommen-
dations) (see Fig.).
11.3.3 Apply parking brake.
11.3.4 Disconnect air connections from spring brake (18) –
take care, air connections must be free of air pressure.
11.3.5 Unscrew spring brake mounting nuts (see arrows) and
remove the spring brake (18) (see Fig.).
11.2.4 - Attach brake chamber
11.3.5 - Knorr-Bremse spring brake removal
11.3.2 - Screw out release bolt
18
D
18