23
www.imo.se
AC
F/
U
C
F5 2
01
9.
12 e
n-
G
B
, I
D
-N
o.
: 1
63
-0
44
/B
G.
• Mount the stationary shaft seal part S1 with its
o-ring S2 into the end cover 520 by means of a
suitable Teflon tool.
• The seal must be mounted so that the slot at the
bottom of S1 corresponds with the guiding pin
520b.
NOTE: The o-ring 509f must be thoroughly
greased as it otherwise easily could be dam-
aged during the mounting.
H.
• Mount the complete end cover 520 carefully on
the power rotor 1020.
• Remount the shaft coupling with a suitable tool.
NOTE: Do NOT mount the coupling half with a
hammer as this will destroy the shaft seal.
I.
•
Lubricate and fit the power rotor 1020 into the
pump by carefully guide it into the idler rotors
”openings”, see fig A on page 12.
• Make sure that the de-aeration plug always is
pointing upwards and reconnect the de-aeration
extension pipe.
• Tight the screws 521 crosswise to help the rotor
to reach its final position.
• Check that the pump shaft moves freely.
• Fit the electric motor back to the pump.
• Check the correct setting of shaft coupling ac-
cording to ”Alignment and shaft couplings” and
proceed according to instruction under ”Start-up”
in this manual.
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