•
Main valve sliding rings (8) (61)
Inspect the pairs of sliding rings for any missing splinter, broken part, desintegrating area. If the sliding rings
are in proper state, proceed with thickness verification. If not replace them.
The sliding rings thicknesses shall be reviewed (figure 19). If any sliding ring thickness falls below the
tolerancy given in table below, the sliding ring pair shall be replaced.
Sliding ring
thickness
(mm)
F-G
H
J-K
L
M-N
P
Q
R
T
Tolerancy
(mm)
-0.02
/ -
0.05
-0.025 / -
0.061
-0.025 / -
0.061
-0.032 / -
0.075
-0.032 / -
0.075
-0.032 / -
0.075
-0.032 / -
0.075
-0.032 / -
0.075
-0.032 / -
0.075
Disc Holder
7
8
10
12
14
14
14
14
17
FIGURE 19 – SLIDING RING
FIGURE 20 – SLIDING RING
TABLE 9 – SLIDING RING THICKNESS
LAPPING
30
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