Mercedes-Benz Atego Manual page 87

Brake system
Restoring spring-loaded parking brake to driving position
Clean and grease release screws before screwing in.
Fill brake system up to cutoff pressure.
Move lever of parking brake valve to release position.
Unscrew nut 2 with washer 6 from release bolt 4.
Unscrewing the nut 2 retightens the spring in the spring-loaded cylinder.
Turn release bolt 4 90° counterclockwise and remove.
Insert release bolt 4 into bracket 5.
Screw nut 2 with washer 6 onto release bolt 4 and secure with a new cotter pin 1.
Seal hole in spring-loaded actuator with stop plug 3.
85
Guidelines for Breakdown Services (Subject to technical modifications)
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