2014/02
7.Maintenance
15
7.4.
ASSEMBLY / DISASSEMBLY OF THE PUMP
Pump and mechanical seal
Disassembly
1.
Remove the clamping ring (15) and disassemble
the pump casing (01).
2.
Check the condition of the O-ring (80A) on the
pump body and replace it if damaged.
3.
Remove the screws (50A) and the lantern
protections (47A).
4.
Introduce a pin in the hole in the shaft (05) to
prevent the shaft from rotating.
5.
Remove the impeller nut (45) to release the O-
ring (80D).
6.
Pull out the impeller (02). If necessary, hit it with
a dead blow using a plastic mallet in order to
disengage the cone.
7.
Remove the rotating part of the mechanical seal
(08A) from the rear side of the impeller (02).
8.
Remove the pump cover (03) from the lantern
(04).
9.
Manually remove the stationary part of the
mechanical seal (08A) which is located in the
pump cover (03).
10.
Remove the splash ring (82) from the shaft (05).
11.
Loosen the studs (55) on the shaft (03) in order
to separate the shaft (03) from the motor (93).
01
.01
3.
32.
00
06
01
.01
3.
32.
00
07
01
.01
3.
32.
00
08
