1.
Clean the shaft, and touch up any score marks or scratches with a polishing
cloth, if necessary. If score marks or scratches are still visible, replace shaft 210.
2.
Fit mechanical seal 433.01.
3.
Fit circlip 932.03.
4.
Fit casing cover 161.
5.
Fit circlip 932.05.
6.
Fit mechanical seal 433.02.
7.
Fit circlip 932.04.
7.5.4
Leak testing
After reassembly, the mechanical seal area/lubricant reservoir must be tested for
leakage. The lubricant filler opening is used for leak testing.
Observe the following values for leak testing:
▪
Test medium: compressed air
▪
Test pressure: 11.6 psi [0.8 bar] max.
▪
Test period: 2 minutes
903.01
411.01
P
11,6 psi
[0,8 bar]
Fig. 13: Leak test
✓
Screw plug 903.01 and joint ring 411.01 have been removed.
1.
Screw the testing device tightly into the lubricant filler opening.
2.
Carry out the leak test with the values specified above.
NOTE
The pressure must not drop during the test period.
7 Servicing/Maintenance
38 of 54
Amamix
