5.3.1
How to remove the mechanical seal
1
2
ղ
Remove the bolts to remove the shaft coupling.
ձ
Remove the shaft coupling guard.
ճ
Remove the parallel pins.
*Before starting work, make sure that the power
*When the shaft coupling is removed, a main
ࠉ
supply is turned off.
shaft falls. Be careful not to get your hands
caught in the place.
3
4
յ
Remove a mechanical seal fastening ring
removal tap A and remove the seal cover.
ࠉ
from the seal cover.
5
6
ն
Remove the main shaft.
* If it is difficult to work, screw the bolt into the
շ
Remove the mechanical seal fastening ring
removal tap B and remove the main shaft.
from the main shaft.
մ
Remove the seal cover and O-ring.
* If it is difficult to work, screw the bolt into the
O-ring
A
Mechanical seal fastening ring
䠞
Mechanical seal fastening ring
*Hex. socket set screw only for
high back pressure models
O-ring
Seal cover
*
Locking pin only for
high back pressure models
Caution
If the sliding surface of the mechanical seal is scratched, the entire mechanical seal must be
replaced. Using the damaged mechanical seal may cause leakage or abnormal sound.
If any other part is scratched, perform repair painting. Otherwise, it will cause rust.
