SFA Sanipump VX 65 Serie Manual De Funcionamiento página 112

7 Servicing/Maintenance
7.5.3 Reassembling the motor section
CAUTION
Wrong screws/bolts
Damage to the pump set!
▷ Always use the original bolts/screws for assembling a pump set.
▷ Never use screws/bolts of different dimensions or of a lower property class.
7.5.4 Leak testing
After reassembly, the mechanical seal area/lubricant reservoir must be checked for
leakage. The leak test is performed at the lubricant filler opening.
Observe the following values for leak testing:
▪ Test medium: compressed air
▪ Test pressure: 0.5 bar maximum
▪ Test duration: 2 minutes
Fig. 18: Screwing in the testing device
1. Unscrew and remove the screw plug and joint ring of the lubricant reservoir.
2. Screw the testing device tightly into the lubricant filler opening.
3. Carry out the leak test with the values specified above.
The pressure must not drop during the test period.
If the pressure does drop, check the seals and screwed connections.
Repeat the leak test.
4. If the leak test has been successful, fill in the lubricant.
7.5.5 Checking the connection of motor/power supply
Check the power cables after reassembly. (ð Section 7.2.1, Page 102)
7.6 Tightening torques
Table 21: Tightening torques
Thread
M8
M10
Impeller screw M8
Screw plug 903.03
Sanipump VX 65/80-EN
[Nm]
17
35
30
23
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