
B m
in.
A min.
C m
in.
6
If the lobes show wear or tear marks or if the following dimensions
are:
A min: 98 mm.
B min: 180 mm.
C min: 65 mm.
46
15
40
35
3
E
D
D
Fig. 6
Fig. 5
Fig. 4
Fig. 4 bis
Replace them!
6.2.1.2 Check for wear marks of the housings and wear plates
If the housings pos. 15 show evident traces of wear or if the
dimensions “D” and “E” are more than:
D = 181,8 mm.
E = 321,8 mm.
Replace them!
6.2.1.3 Lobes disassembly of models VL 7-14-20
If the wearplates of pos. 3 show evidence of wear, replace them
removing the n. 4 screws of pos. 46 and the elastic pins of pos. 35
ø82 x 72
137
325
Proceed as by fig.6 striking with a plastic hammer on top of the
suitable pipe diam. 82x72 - length 325 mm.