AxleTech ISAS 4500 Série Manuel De Maintenance page 30

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WARNING
!
Follow the safety instructions of this manual and the brake manual.
- Always replace pads (5) on both sides of the axle at the same time.
- Do not replace with pads of a lining quality that is different to that intended for the installation !
- Chock the wheels on an axle which is not to be raised.
- Lift and support the axle, remove the wheels (See Section 2-3).
Clean the brakes, removing any dirt and dust. Use dust removal equipment or a vacuum cleaner but
!
do not use compressed air-inhaling dust particles may be hazardous to your health ! See the brake
manual for instructions.
If the disc brake is equipped with a parking brake function, ensure that the spring brake chamber
!
is fully disengaged and mechanically secured in the released position (See Section 2-3).
Removing pads
Using an 8mm ring spanner, release the brake adjustment by
turning the adjustment shaft (55) anticlockwise until the thrust
plate (28) is fully retracted.
WARNING
!
Never use an impact wrench or suchlike to turn the
adjustment shaft (55) as this may damage the adjustment
mechanism!
NB !
When releasing the brake adjustment it is important that the
protection springs (30) are positioned properly in the cover (33).
This to ensure that the thrust plates (28) are free to retract fully.
Unless the thrust plates (28) are fully retracted it will not be
possible to fit new pads (5).
The stop at fully retracted thrust plates (28) must be distinct!
IMPORTANT! Do not tighten in this position !
RI 003-04/11
REPLACEMENT OF BRAKE PADS
Section 1
Preliminary
-
29 -

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