7 Servicing/Maintenance
82 of 126
Amacan K
1579.807/07-EN
903.03
411.03
903.02
411.02
FD
FD
P
Fig. 51:
Leak testing the leakage chamber
903.02
411.02
Leakage drain
903.03
411.03
Lubricant filler opening
Table 30:
Symbols key
Symbol
Description
FD
Always apply a
liquid sealant
(e.g. Hylomar SQ32M) to sealing surfaces
marked with this symbol.
1. Undo screw plug 903.02 and joint ring 411.02 from the leakage chamber.
2. Screw the testing device tightly into the G 1/2 plug thread.
3. Carry out the leak test with the values specified above.
ð
The pressure must not drop during the test period.
ð
If the pressure does drop, check the sealing elements and screwed
connections.
4. Repeat the leak test if required.
5. If the leak test has been successful, remove the testing device.
Apply a thread-locking agent to the screw plug and screw it back in together
with a new joint ring.
7.7.7.3 Checking the motor for leakage
Observe the following values for leak testing:
▪
Test medium:
nitrogen
▪
Test pressure:
0.8 bar maximum
▪
Test duration:
2 minutes
