Grundfos MS4000 C - Tightening Torques and Lubricants

3. Tightening torques and lubricants
Pos. Description Quantity
Dimensions
[mm]
Torque
[Nm]
Lubricant
32 Shaft seal housing 1 - 40 ± 2 Shell Cassida
32b Compression spring 1 - - Shell Cassida
32a Supporting ring 1 - - Shell Cassida
33 Shaft seal ring, stationary 1 - - Shell Cassida
34 Shaft seal ring, rotating 1 - - Motor liquid
22 Hexagone head nut 4 M8 or UNF 5/16 - -
21 Staybolt 4 M8 or UNF 5/16 10 ± 1 -
220a Hexagon head screw 2 M5x5 (hex key 3 mm) 4 ± 0.4 -
1a Filling plug 1 Hex key 6 mm 5 ± 0.5 -
1b O-ring 1 - - Motor liquid
24 O-ring 1 - - Motor liquid
7 Bearing retainer 1 - 70 ± 0.5 -
48 Adjusting screw 1 - - -
49 Nut for rubber diaphragm 1 - 11 ± 1 -
47 Lock washer 1 - - -
46 Nut 1 M8 11 ± 1 -
Related information
1.6 During assembling of the product
11
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