Grundfos CME Series Service Instructions

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
English (GB)

Grundfos CME Series Specifications

General

Type	Centrifugal Pump
Power Supply	Electric
Maximum Operating Pressure	10 bar
Housing Material	Stainless steel
Impeller Material	Stainless steel
Material	Stainless Steel
Applications	Water boosting, industrial applications, domestic water supply, irrigation, pressure boosting in buildings
Pumped Liquid	Clean water
Approvals	CE
Seal Type	Mechanical Seal
Pressure Rating	PN10