Motor sizes
5 2, 6 2, 8 2, 12 2, 17 2,
5 4, 7 4, 11 4, 16 4,
4 6, 6 6, 9 6, 12 6
23 2,
23 4, 29 4,
20 6, 26 6,
10 8, 17 8, 21 8
37 2, 55 2,
35 4, 50 4, 65 4,
32 6, 40 6, 50 6,
26 8, 35 8
Pump size
200-330
200-400/401
250-400/401
300-400/401
7.2.2.1.4 Changing the lubricant
WARNING
Lubricants posing a health hazard
Risk to persons and the environment!
▷
When draining the lubricant take appropriate measures to protect persons and
the environment.
▷
Observe all legal regulations on the disposal of liquids posing a health hazard.
WARNING
Excess pressure in the lubricant reservoir
Liquid spurting out when the lubricant reservoir is opened at operating temperature!
▷
Open the screwed plug of the lubricant reservoir very carefully.
1. Position the pump set as illustrated.
903
411.03
Fig. 19: Draining the lubricant
2. Place a suitable container under the screwed plug.
3. Unscrew screwed plug 903 or 903.03 with joint ring 411.03 and, if applicable,
screwed plug 903.04 with joint ring 411.05. Drain the lubricant.
1. Position the pump set as illustrated.
903.03
411.03
903.03
411.03
Fig. 20: Filling in the lubricant
2. Pour lubricant into the lubricant filler opening until the lubricant reservoir
overflows.
3. Close screwed plug 903.03 again with a new joint ring 411.03.
7.2.2.2 Lubricating the rolling element bearings
The rolling element bearings of the pump sets are grease-packed and maintenance-
free, with the exception of those described below.
Draining the lubricant
Filling in the lubricant
7 Servicing/Maintenance
Amarex KRT
41 of 74
Goodnal STP ST041 Sewage Delivery (Amarex KRT Submersible Motor Pump) Vendor Manual
Q-Pulse Id VM362
Active 29/10/2013
Page 43 of 96
