Bomag BW 219 DH-4 Service Training page 992

18.5
CHECKING WEAR AND REPLACING THE BRAKING DISKS - CONTROLLO USURA E SOSTITUZIONE DISCHI FRENO - VERSCHLEISS
KONTROLLIEREN UND BREMSSCHEIBEN AUSWECHSELN - CONTROL DEL DESGASTE Y SUSTITUCION DE LOS DISCOS DEL FRENO -
6
GB
Remove arm (6) together with brakes and axle shafts; lay down the
arm vertically.
10
GB
Move the cylinder (10) outwards while supporting the Belleville
washers (11).
Remove the Belleville washers (11) and note down direction of
assembly.
bar
GB
Slowly introduce low-pressure compressed air through the con-
nection member for the negative brake, in order to extract the
piston (12).
CAUTION! Hold the piston (12) back, as it may be suddenly ejected
and damaged.
992
CONTRO Ã LE USURE ET SUBSTITUTION DES DISQUES FREINS
F1241076
a
11
F1241078
c
12
F1241080
e
Loosen screws (9) in an alternate manner and remove them.
10
Remove the cylinder (10) complete with piston (12).
13
14
Remove O-rings (13) and (14) from the piston (12).
NOTE. The O-rings (13) and (14) must be replaced each time the
unit is disassembled.
16 BOMAG
Essieu
9
F1241077
b
GB
12
F1241079
d
GB
12
F1241081
f
GB
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