7 Servicing/Maintenance
73 of 126
Amacan S
1589.837/01-EN
7.6.4.1 Drive-end mechanical seal
350
914.02
818
80-1
571
X
932.03
550.03
433.01
L
243
Fig. 42:
Installing the drive-end mechanical seal, X = drilled hole for testing device
Table 24:
Symbols key
Symbol
Description
L
243
Always secure screwed connections marked with this symbol with
Loctite 243
.
ü
The pump set has been positioned horizontally on suitable wooden supports and
is protected against rolling off. (
1. Use an assembly sleeve of a suitable diameter to press the mating ring of
mechanical seal 433.01 together with the O-ring into the drilled seat of bearing
housing 350.
2. Carefully guide on the bellows part of mechanical seal 433.01 until it rests
against the mating ring.
3. Guide disc 550.03 and circlip 932.03 onto the shaft. Press the circlip in with an
assembly sleeve until it is axially fastened in the shaft groove.
4. Screw the testing device into the leakage drain hole (X) of bearing housing 350
and perform a leak test.
5. Attach the crane hook to the bail and pull upright motor unit 80-1 including
rotor 818 with bearing and bearing housing 350.
6. Place the pump set on the pump casing and bellmouth and fasten it with
hexagon socket head cap screws 914.02.
7.6.4.1.1 Leak test when installing the mechanical seal
Observe the following values for leak testing:
▪
Test medium:
compressed air
▪
Test pressure:
1 bar max.
▪
Test period:
5 minutes
1. The pressure must not drop during the test period.
If the pressure does drop, check the sealing elements and screwed connections.
Then perform another leak test.
2. If the test has been successful, remove the testing device. Do not close the
leakage drain hole to allow drainage of any water ingress.
Summary of Contents for Amacan S 1000-600
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