KSB Amacan P 500-270 Installation & Operating Manual page 74

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7 Servicing/Maintenance
Observe the following values for leak testing:
▪ Test medium: compressed air
▪ Test pressure: 1 bar maximum
▪ Test duration: 5 minutes
p
1,0 bar
Fig. 45: 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.
Then perform another leak test.
4. If the leak test has been successful, fill in the lubricant.
(ð Section 7.4.1.4.2, Page 58)
7.6.7.2 Checking the motor for leakage
DANGER
Screw plug leaking or missing
Explosion hazard!
Damage to the motor!
▷ Never start up a pump set without screw plug 903.04.
▷ Apply a thread-locking agent (Loctite 243) to screw plug 903.04.
Observe the following values for leak testing:
▪ Test medium: nitrogen
▪ Test pressure: 0.8 bar maximum
▪ Test duration: 2 minutes
903.04
411.04
Fig. 46: Checking the motor space for leakage
1. Remove screw plug 903.04 and joint ring 411.04 at the motor housing cover.
2. Screw the testing device tightly into the hole.
3. Carry out the leak test with the values specified above. The pressure must not
drop during the test period.
Amacan P
L
243
FD
p
0,8 bar