Alfa Laval PHE, Руководство пользователя

Страница: 22 / 24

English Maintenance
-22 Plate Heat Exchanger
3490008529 rev 2012-01
EN
EN
DE
FR
ES
PT
IT
SV
DA
FI
NL
RU
PL
NO
HU
SK
CS
SL
LV
LT
ET
EL
BG
RO
ZH
BG
Closing
1
Check that all gaskets are correctly posi-
tioned in the grooves. Also check hanger
device is not damage.
2
Brush the threads of the bolts clean, using
a steel wire brush. Lubricate the threads
with a thin layer of grease, e.g. Gleitmo 800
or equivalent.
3
Insert the plates in alternate directions and
with the gaskets turned towards the frame
plate or pressure plate as specified on the
plate hanging list. Use the marked line that
was done when the PHE was opened, refer
to step 7 in
“Opening” on page 19 .
4
Press the plate package together. Position
the four bolts according to the figure below.
Tighten the four bolts (1-2-3-4) until the re-
action force of the plate package can be no-
ticed. Make sure that the frame and
pressure plate are in parallel during the
closing procedure.
5
Tightening the four bolts evenly in the num-
bered order, 1-2-3-4. Continue alternately
until dimension A has been reached.
6
If the plate pack has been marked on the
outside, check this (see step 7 in section
“Opening”.
The cassettes shall be assembled with eve-
ry second of each type, -1 and -2. Ensure it
by checking the edge of the upper corner
that the cassettes are according to the pic-
ture.
7
Mount remaining bolts and check measure-
ment A on both sides, at top and bottom.
8
Mount protection sheets (if provided).
9
Connect pipes.
10
If the PHE does not seal when the measure
A has been reached, it can be tightened
further to A minus 0.5 %.
Note!
If the gasket is wrongly positioned, it will show by the
fact that it rises out of the gasket groove or that it is
positioned outside the groove.
1
4
2
3
1 2
1
4
2
3