SAF-HOLLAND SK RB 9022 K, Руководство по обслуживанию и ремонту

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D) Installation instructions
Brake disc
Brake disc diameter
Permissible wear, see table in chapter “Maintenance instructions”.
The brake disc may only be cleaned using a dry cleaning agent.
Inspecting the brake disc
Inspect the braking surface of the brake disc carefully for serviceability.
A
1
– Network-like cracks are permissible.
B
1
– Cracks up to max. 1.5 mm (width and depth) running towards
the middle of the hub are permissible.
C
1
– Unevenness in the disc surface up to 1.5 mm is permissible.
D
1
– Cracks going right through the disc are not permissible.
Check the brake disc thickness and turn down, if necessary. For safety
reasons, the minimum thickness for turning down the brake discs is
39 - 40 mm.
Permissible wear, see table in chapter “Maintenance instructions”.
Note:
The compact wheel bearing unit and the brake calliper are not remo-
ved for turning down the brake disc.
Replacing the hub unit
Loosen axle nut and unscrew from stub shaft.
Axle nut wrench, SAF Part No. 2 012 0023 01.
Note:
Axle nut W.A.F. 85
– on left-hand side as seen in direction of forward travel =
left-hand thread.
The axle nut with left-hand thread has a milled groove on the outer
face for identification.
The complete hub unit can be pulled off the stub shaft using a
puller, SAF Part No. 4 434 3822 00.
(The hub unit cannot be overhauled and has to be replaced complete
with the bolts of the wheel flange).
A
1
D
1
B
1
C
1