Hyundai HL955 Manual page 371

5) 5) MAINTENANCE AND REPAIR WORK MAINTENANCE AND REPAIR WORK
Maintenance and replacement of the lining pads Maintenance and replacement of the lining pads
(1) (1)
The brake, particularly the brake lining carriers, must be visually inspected at regular intervals.
If the remaining lining thickness is too thin, these intervals must be reduced accordingly to
prevent extensive damage to the brake or the brake disc.
Once the minimum remaining lining thickness of 1.0 ~ 1.5 mm per brake lining carrier is reached,
the brake lining carrier must be replaced in accordance with the following instructions :
S1
1 Lock nut
2 Setting screw
3 Pressure bolt
4 Piston
①
Place the machine on flat ground and secure against rolling away.
②
Release the parking brake by application of the required release pressure (min. 130 bar).
③
Rotate the screw cap (5) in a counter-clockwise direction and unscrew it.
④
Release the lock nut (1) of the setting screw (2).
⑤
Rotate the setting screw (2) in an counter-clockwise direction until the pressure bolt (3) can be
pushed completely into the piston (4) .
⑥
Unscrew (lever) the pressure bolt (3) with a suitable screwdriver until it contacts the piston (4).
3
1
2
4
5
S
S1 Screwdriver
R
4-28
R
S
5
Screw cap
Peg spanner
Ring spanner
7609A4BS24