Water Monitoring System
Ver.5.0 – Revision March 2022
Page
105
of
110
MI6100-0016
System Type
Water Monitoring System
MI-G6100-0016
Task:
Mechanical Seal Replacement (TYPE B)
Description:
This instruction identifies the location and replacement of the Mechanical Seal.
The mechanical Seal Replacement must be carried out by a trained technician.
Difficulty 1-5
Overhaul Interval
Estimated Time
Consumption
If necessary
30 min
Spare Parts
Tools
Part no:
Description:
Qty.
Item:
03614
Mechanical seal
1
Allan key no. 4
03617
Wear plate without hole
1
Small screwdriver
03618
Wear plate with punched hole st.s
1
Torque Tools = 8 Nm
Instructions Photos
1.
Unscrew and remove the front cover, (A) (B)
2.
Remove the pump housing. It is not necessary to remove
the impeller. (C)
3.
Inspect the ware plates. Change it if it requires. (D)
4.
Remove the feather key from its seat on the shaft. (E)
5.
Remove Spacer disk if it presents. (F)
Note:
This part is no longer required and shall not be
used during reassembly!
6.
Remove the mechanical seal rotating face: Note that the
mechanical seal consists of two parts, a stationary and a
rotating part. (G)
7.
Remove the rear plate (H), -And push the stationary seal
out i.e. using a screwdriver (I)
8.
Gently fit the new stationary seal in the rear plate. Apply a
light coating of grease to the seat wall of the rear plate.
10.Lightly sand the keyways edges, only to the end of the
feather keyhole, & clean it with compressed air or a towel (J)
11.Apply a piece of tape over the entire key seat area to
protect the mechanical seal.
12.Apply light coating of grease on the tape and shaft. (K)
13.Remount the rear plate with the stationary seal onto the
motor flange. Note the leak channels must fit for both parts
(L)
14.Mount the mechanical seal and remove the tape (M)
15.Gently mount the feather key and wear plate (N).
16. Mount pump housing. It is important to align the
cylindric taps in the housing and the holes in the pump back
plate to assemble the pump correctly. (B)
17. Refit the end cover. (A) Insert the screws and cross fasten
with the torque Tools for 8 Nm (O).
Notes:
It is important to align the cylindric taps in the housing and end cover to assemble the pump
correctly. If this happens the pump will not seal properly.
Spacer disk picture (F) - This part is no longer required and shall not be used during reassembly!
