Grundfos CM series - Wiring Diagram and Connection; Frequency Converter Operation; Frequency Converter Voltage Peak Caution; Frequency Converter Low Speed Note

3. Tightening torques and lubricants
Pos. Designation Quantity Dimensions Torque [Nm] Lubricant
2b
Screw, CM 1, 3, 5 2 M8 x 40 16-18 THREAD-EZE
Hexagon socket head cap screw CM 10, 15, 25 2 M8 x 80 16-18 THREAD-EZE
11 O-ring 2 ∅18.5 x 2.0 - -
25 Plug 2 - 10-12 -
26
Staybolt, CM 1, 3, 5, cast iron 4 M6 12-14 -
Staybolt, CM 1, 3, 5, stainless steel 4 M8 12-14 -
Staybolt, CM 10, 15, 25, cast iron 4 M8 25-27 THREAD-EZE
Staybolt, CM 10, 15, 25, stainless steel 4 M8 20-22 -
28g Screw 4 M6 x 14 8-10 THREAD-EZE
31
O-ring, CM 1, 3, 5 1 ∅114.0 x 3.90 - Rocol 22
O-ring, CM 10, 15, 25 1 ∅153.2 x 4.70 - Rocol 22
67 Lock nut 1 M8 21-23 -
102 O-ring 1 ∅17.86 x 2.62 - V7140084
103 Seal faces 1 - -
Silicone oil, 350 cSt,
food grade
107 O-ring 1 ∅11.5 x 3.18 - Rocol 22
152 Screw
2 M4 x 8 2.7 - 3.3 -
4 M5 x 12 3.5 - 4 -
155 Bearing cover plate 1 - - Rocol 22
157a
Gasket, MG 71, MG 80 1 ∅114.8 / 121.2 x 0.25 - -
Gasket, MG 90 2 ∅141.2 / 145.5 - -
Gasket, MG 100 - - - -
158a O-ring 1 ∅35.4 x 1.97 - Rocol 22
159
O-ring, MG 71, MG 80 1 ∅32 x 2
- Rocol 22
O-ring, MG 90, MG 100 1 ∅52 x 3.0
O-ring, MG 112, 132 1 ∅62 x 3.0
159a Seal ring 1 - - Castrol LMX grease
181
Screw, MG 71, MG 80 4 M6 x 16 5-8
THREAD-EZE
Staybolt, MG 90 4 M5 x 220
4.5 - 6
Staybolt, MG 90L 4 M5 x 260
Staybolt, MG 100 4 M5 x 270
Staybolt, MG 112 4 M6 x 288
THREAD-EZE, product number 00SV9997 (0.5 l).
Rocol 22, product number 00RM2924 (1 kg).
Castrol LMX grease, product number 00RM4311.
Silicone oil, 350 cSt, food grade 00SV0862 (1 l).
8
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