Bomag BW 219 DH-4 Service Training page 1000

18.5
ASSEMBLING THE BRAKING UNIT - ASSEMBLAGGIO GRUPPO FRENI - ZUSAMMENBAU DES BREMSAGGREGATS - MONTAJE DE LOS
C
14
10
GB
Fit O-rings (13) and (14) onto the piston (12).
Lubricate the piston and the O-rings and install the unit into the
cylinder (10).
NOTE. Piston relief «C» must face downwards.
GB
Check the condition and the position of the O-ring (22); lubricate
the O-ring and position the cylinder on the studs without fastening.
GB
Lock the cylinder (10), tightening the screws (9) with a dynamo-
metric wrench set to a torque of 86 ± 89 Nm.
1000
GRUPOS DE FRENADO - ASSEMBLAGE DU GROUPE FREINS
12
13
F1241091
a
22
F1241079
c
10
9
F1241093
e
Using a plastic hammer, ram the piston (12) into the cylinder (10).
NOTE. Lightly hammer all around the edge in an alternate
sequence.
10
Position the Belleville washers (11) and engage the cylinder (10).
NOTE. Check the sense of direction of washers (11) and relative
centring.
Check integrity and position of the arm's O-ring (23); install the
complete arm (6).
NOTE. To assist axle shaft centring, slightly move the wheel hub.
24 BOMAG
Essieu
12
10
F1241092
b
GB
11
F1241078
d
GB
23
6
F1241094
f
GB
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