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(8)
Repair work
When working on the braking system, always make sure that there is absolutely no
pressure in the system. Even when the engine is switched off there will be some residual
pressure in the system.
When doing repair work, make sure your environment is very clean.
Immediately close all open ports on the components and on pipes using plugs.
(9)
Replacing the pedal cover
Pedal cover(13-2) is simply pulled of by hand. The new pedal cover is pushed over pedal(13-1)
and tightened manually. Fasten the bellows with the strap retainers.
(10)
Replacing the complete actuating mechanism
Carefully clamp the unit vertically in a fixture. The actuating mechanism can be removed by
taking out the four bolts. Make sure that main spring (6) does not fall out. When installing the new
actuating mechanism, make sure that main spring (6) is fitted in the right order.
(11)
Replacing the bellows
To change bellows(15) it is advisable to remove pedal(13). For this purpose, loosen retaining ring
(18) and knock out pin 1(16) using a mandrill. When knocking out the bolt, make sure that the
mandrill is applied to the side of the bolt without a knurl. Remove pedal(13) and bellows(15).
Now fit the new bellows and proceed in reverse order as described above. The upper portion of
bellows is fastened to piston(4), its lower portion to pedal plate(12) secure the bellows using
clamps.
4-15
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