SAF-HOLLAND SK RB 9022 K, Maintenance And Repair Manual

Page: 7 / 32

7
B) Maintenance instructions
SK 1000 Disc / ET 120
SK RB 9022 K / 9019 K - SK 1000 ET 120
Hub Unit
Hub Unit maintenance free.
Inspect for signs of wear at each brake disc change
(e.g. excape of grease).
After brake relining, observe the following points:
Inspect the seals on the brake calliper.
Never use high-pressure cleaners or cleaning fluids
on the brake disc or hub unit.
Clean stub axle of any old grease and apply fresh
SAF fitting paste.
Lubricant specifications:
Tappet boots and brass bushes:
SAF Part No. 4 387 0016 00
Rubber guide bush (70.3):
SAF Part No. 4 387 0017 00
Stub axle:
SAF Part No. 4 387 0015 06
SAF fitting paste
Tightening the hub nut
On LH side as seen in direction of travel –
LH thread
On RH side as seen in direction of travel –
RH thread
Tightening torque 900 Nm. Each hub unit must
be rotated smoothly at least twice while tightening
the bolts.
Hub nuts with LH thread are marked:
Groove on the face.
Assembly tools SAF Part No.
Hub nut wrench 2 012 0023 01
Wedge fork for tappet with boot 4 434 1065 00
Puller for hub unit 4 434 3822 00
Installation drift for tappet 4 434 1062 00
Puller for inner boot 4 434 1063 00
Puller / pusher for brass bush 4 434 1064 00
Caulking tool for brass bush 4 434 1066 00
3/4” spanner
External torx shape
4 434 3824 00
Assembly pin steel cap (see sketch on page 29)
NOTE!
Failure to observe these instructions may result in an accident risk!
Worn brake linings or excessively worn brake discs result in a
reduction in the braking efficiency or in a complete failure of the
brake system.
Thickness of
brake disc “A”
Wear limit of
brake disc “B”
Thickness of
linings “C”
Lining
wear “E”
Disc diameter in mm
No. of brake pads
per axle
SB7 22.5“ 45
≤
37 30 11 430 4
SB6 19.5” 45
≤
37 30 11 370 4
Tightening torque
(Nm)
Spanner size
(W.A.F.)
Hexagon
outside inside
Guide bearing on brake calliper
2 hex. socket head screws 290 14 – X
M16 x 1.5 - 10,9
Diaphragm/combination cylinder
2 hex. nuts 210 24 X –
M16 x 1.5
Brake calliper mounting
on axle body 290 24 X –
M16 x 1.5 x 55
Item No.
Caution! Bolts must not be oiled!
Wheel flange mounting
M18 x 1.5 x 75 or 65
44 450 27 X –
TORX screw with head
M18 x 1.5 x 75 or 65
44
Tightening process: pre-
tighten to 50 Nm diagonally,
turning angle of 90º diagonally
tightened (1 1/2 nut corners)
External torx E24 – –
70.1/80.1/
81.1
Brake type