Checking The Connection Of Power Supply And Motor - KSB Amacan P 700-470 Installation & Operating Manual

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7 Servicing/Maintenance
Fig. 52: Leak testing the motor
Table 30: Key to the symbols
Symbol Key
Always secure screwed connections marked with this symbol with
L
243
Loctite 243 .
Always apply a liquid sealant (e.g. Hylomar SQ32M) to sealing surfaces
FD
marked with this symbol.
1. Undo and remove screw plug 903.31 and joint ring 411.31.
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. Remove the testing device.
DANGER
Screw plug leaking or missing
Explosion hazard!
Damage to the motor!
▷ Never start up a pump set without screw plug 903.31.
▷ Apply a thread-locking agent (Loctite 243) to screw plug 903.31.
6. Apply a thread-locking agent (Loctite 243) to screw plug 903.31.
7. Re-insert and tighten screw plug 903.31 with new joint ring 411.31.

7.7 Checking the connection of power supply and motor

Once reassembly has been completed, carry out the steps described in
(ð Section 7.2.1, Page 55) and (ð Section 7.3.4, Page 58) .
Amacan P
903.31
411.31 L
FD
243