Ge 19, Maintenance – Flowserve HV 205 User Manual
Page 19
19
– continued –
Replacing valve plug seal
- continued -
To mount the valve head proceed in reverse order of the removing procedure:
See drawing further down
1.
Put valve plug seal
onto valve plug
and screw in the four socket-head cap
screws
together with the washer
, using a torque of 15 Nm. Apply a commerically
available lubricant to the screws and tighten them in several steps in diagonally
opposite pairs.
2.
Then secure the washer
by using the retaining ring
.
3.
Screw the 6 hexagon-head cap screws
together with the locking washers
into
the stay bolts
, applying a torque of 25 Nm. Apply a commerically available
lubricant to the screws and tighten them in several steps in diagonally opposite pairs.
4.
Unscrew the centrally aligned hexagon-head cap screw with the washer from the
valve plug
.
31
25
29
30
27
28
1
2
3
25
Attention
The specified torques must be strictly observed.
31
28
29
30
1
2
3
4
5
6
25
26
23
24
27
7