7 Servicing/Maintenance
55 of 82
Amarex
2573.820/02-EN
Fig.24: 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. (ðSection7.2.1,Page44)
7.6 Tightening torques
Table25: Tightening torques
Thread [Nm]
M8 17
M10 35
Impeller screw M8 30
Screw plug 903.03 23
7.7 Spare parts
NOTE
For explosion-proof pump sets only original spare parts or parts authorised by the
manufacturer must be used.
7.7.1 Ordering spare parts
Always quote the following data when ordering replacement or spare parts:
▪ Order number
▪ Order item number
▪ Type series
▪ Size
▪ Year of construction
▪ Motor number
Refer to the name plate for all data.
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