Adjusting
Brake pressure regulator, adjustingNOTE: Before adjusting pressure regulator, remove plastic roller and lubricate steel bushing under it with white lubricating paste, Part No. AOS 126 000 05.
- lift vehicle off ground so load is taken off rear axle
- press lever on brake pressure regulator (arrow) towards rear of vehicle as far as stop
- loosen nut 1
- insert a 1.0 mm diameter drill bit between spring 2 and plastic roller
- tighten nut 1 to 20 Nm (14 ft lb)
- remove drill bit and release lever
- repeat pressure check (vehicle on ground) using the following specifications:
- front axle at 50 bar (725 psi) rear axle must read 23.5-37.5 bar (341-544 psi)
- front axle at 100 bar (1450 psi) rear axle must read 45-66 bar (652-957 psi)