Alfa Laval M line TS6, Instruction Manual

Page: 41 / 46

7
Tighten the four bolts (1), (2), (3), (4) evenly
until dimension
A has been reached.
When a pneumatic tightening device is used,
see table below for maximum torque.
Measure dimension
A during tightening.
Bolt size
Bolt with bearing
box
Bolt with washer
Nm kpm Nm kpm
M16 90 9.0 135 13.5
M20 175 17.5 265 26.5
M30 585 58 900 90
M39 1300 130 2000 200
For manual tightening, the tightening torque
has to be estimated.
If dimension A cannot be reached:
• Check the number of plates and the
dimension A .
• Check that all the nuts and bearing boxes
are running freely. If not, clean and
lubricate, or replace.
A
3
1
4
2
8
Mount the remaining locking bolts and check
measurement
A on both sides, top and
bottom.
9
Mount protection sheets (if provided).
10
Connect pipes.
11
If the heat exchanger does not seal when
measurement A has been reached, it can be
tightened further to
A minus 1.0%.
6.6 Pressure test after maintenance
Neither of these processes are allowed unless performed by a person
authorized according to local laws and regulations and following applicable
standards. If no such person is internally available, a third party authorized
200000423-1-EN-GB 41
Maintenance 6 EN