Brief general advice on adjusting disc brakes

The movement of the brake piston varies, depending on how much the brake pads are worn, providing very simple adjustment.

The brake piston’s rubber seal, which is often rectangular in section, pulls back the piston very slightly, giving a clearance of perhaps a few tenths of a millimetre.
Disc brakes generally have a maximum application pressure of around 120 bar. We also offer brakes designed for a higher pressure and, if annual volumes are high enough, we can even develop and manufacture customer-specific products in collaboration with our suppliers, since it is the operating range of the seals that sets the limit. IMPORTANT! Always follow the manufacturer’s specifications, working pressure, etc.
A lower working pressure is recommended to get the maximum interval between seal changes caused by wear.
Our negative callipers – FSG 75, FSG 90 and FSG 110, etc. – which are really mechanical callipers with hydraulic release, have an adjuster screw underneath the cover that permits adjustment of the play between the disc brake and brake pads.

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Brisgatan 19, Box 12, 651 02 Karlstad, Sweden Tel: +46 54 85 62 00
Fax: +46 54 85 10 58 Customer Service Vehicle Dept. +46 771 276 672