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2011-10-04 · 

Změny a omyly vyhrazeny

 · Amendments and errors reserved · © SAF–HOLLAND

3

Dodatek k všeobecnému návodu k provozu a údržbě

Wheel Bearing Unit

• Wheel bearing maintenance-free. 
• Adjustment of the wheel bearing backlash is not necessary.  
   Max. permissible wheel rock: 0 - 0.25 mm. 
• At each brake disc change, inspect for signs of wear e.g. escaping grease.
• Install a new O-ring.
• Bevor pushing the Hub Unit clean any residues of grease from the axle stub end and 
   repack with grease.

NOTICE

Do not use high-pressure cleaners or liquid cleaners on the brake disc and the wheel bearing.

Axle nuts

 

 

On left-hand side in direction of travel: Left-hand thread
On right-hand side in direction of travel: Right-hand thread

Important

Marking of the nuts with left-hand thread:  
Groove on outer nut flange.

Tighten axle nuts:

1. Pretightening: 150 Nm, then turn the hub unit slowly by 5 revolutions.
2. Final tightening: Retighten by 1 increment (30º).

Note during disc brake repairs:

• Carry out a visual inspection of the seals on the brake calliper.

WARNING

Brake pads and/or brake discs that are worn beyond their wear limit result in a deterioration or 
even complete failure of the braking effect.

Tightening torques (Nm)

Bolts

Knorr

Wabco

Brake disc

M14 x 1,5

1. Pretighten to 50 Nm diagonally.

2. Tighten by a further 120° diagonally

Brake calliper to axle beam (4 bolts)

Multispline head screw M18x1.5

Mind the set-screw

1. Pretighten (from inside to outside) 120 Nm

2. Final tightening to 450 ± 30 Nm or 60º (2 corners of  

    the multispline head screw))

Brake chamber hex. nut M16x1.5

Tighten alternately and uniformly in two steps

1. Pretighten 120 Nm

2. Final torque 210 Nm (check torque 210 Nm)

Pad retainer clamp

cotter pin

30±15 Nm

WARNING

The bolts listed below must be replaced during service and repair work.
All the bolts must not be oiled or greased for installation.
Tighten all the bolts with a torque wrench.

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