Grundfos CM SP Service Instructions Manual
  1. Manuals
  2. Brands
  3. Grundfos Manuals
  4. Water Pump
  5. CM SP
  6. Service instructions manual

Grundfos CM SP Service Instructions Manual

Self-priming
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
GRUNDFOS INSTRUCTIONS
CM SP
Self-priming
Service instructions

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CM SP and is the answer not in the manual?

Questions and answers

Related Manuals for Grundfos CM SP

Summary of Contents for Grundfos CM SP

  • Page 1: Order Of Assembly For Chambers And Impellers 13

    GRUNDFOS INSTRUCTIONS CM SP Self-priming Service instructions...

  • Page 2: Table Of Contents

    5.5 MG 90, MG 100, MG 112 and MG 132 motors 5.6 Checking and replacing impellers and chambers Pump nameplate Fault finding Fig. 1 Drawings 7.1 CM SP 1, 3, 5 Pos. Description Order of assembly for chambers and impellers Pump type Pump model 1.

  • Page 3: Type Key

    2.2 Type key Example 3 - 6 O - R - I - E - A V C - A - A - N Type range Sensor CM: Centrifugal Modular N: No sensor Rated flow rate Mains plug Rated flow rate at 50 Hz [m A: Prepared for cable glands Number of impellers Motor information...

  • Page 4: Tightening Torques And Lubricants

    3. Tightening torques and lubricants Pos. Designation Quantity Dimensions Torque [Nm] Lubricant ∅37 x 2.62 O-ring Sapphire Aqua-Sil ∅18.5 x 2.0 O-ring Plug 10 - 12 Staybolt, CM 1, 3, 5, stainless steel 12 - 14 THREAD-EZE Screw M6 x 14 8 - 10 THREAD-EZE ∅114.0 x 3.90...

  • Page 5: Service Tools

    4. Service tools 4.1 Standard tools Pos. Designation For pos. Further information Product number Screwdriver 103, 156 SV0803 Cross-head screwdriver Ph2 x 100 SV0279 Torx screwdriver TX30 x 115 mm SV0335 15 mm Ring/open-end spanner 13 mm SV0055 5 mm Hexagon key 6 mm SV0196...

  • Page 6: Dismantling And Assembly

    5. Dismantling and assembly 5.2 Dismantling the pump 1. Remove staybolts (pos. 26). 5.1 General information 2. Remove clamping flange (pos. 6a) and sleeve (pos. 16). If it is necessary to dismantle the pump, either because it is 3. Remove O-ring (pos. 5c) and water trap (pos. 5b). choked or damaged, please follow the instructions in the following 4.

  • Page 7: Assembling The Pump

    7. Fit spring (pos. 108) and driver (pos. 112). See fig. 6. 5.3 Assembling the pump Assembly of MG 71 and MG 80, see section 5.4.2 Assembling the motor. Note Assembly of MG 90 and MG 100, see section 5.5.2 Assembling the motor.

  • Page 8: Mg 71 And Mg 80 Motors

    5.4 MG 71 and MG 80 motors 5.5 MG 90, MG 100, MG 112 and MG 132 motors Dismantle the pump before dismantling the motor. See section Dismantle the pump before dismantling the motor. See section 5.2 Dismantling the pump. 5.2 Dismantling the pump.

  • Page 9: Checking And Replacing Impellers And Chambers

    5.6 Checking and replacing impellers and chambers Check Replace Impeller Wear ring/wear ring retainer • Check whether it is necessary to replace the impeller due to 1. Press wear ring retainer (pos. 65) up and free of the chamber friction between wear ring and impeller skirt. If wear has caused using a screwdriver.

  • Page 10: Q Nom

    6. Fault finding Warning Before removing the terminal box cover, make sure that the power supply has been switched off. Make sure that it cannot be accidentally switched on. The pumped liquid may be scalding hot and under high pressure. Before any removal or dismantling of the pump, the system must therefore be drained, or the isolating valves on either side of the pump must be closed.

  • Page 11: H Nom

    Fault Cause Remedy 9. The pump runs, but does not deliver Self-priming pumps only: the rated flow. a) Internal valve does not close. Close the tap gradually until a sudden rise in pressure or flow can be seen. Then open the tap gradually until the required flow is reached.

  • Page 12: H Max

    7. Drawings 7.1 CM SP 1, 3, 5 Fig. 11 CM SP 1, 3, 5...

  • Page 13: Fig

    The tables below help to place chambers in the right order when assembling the pump. Pos., see Description drawing, fig. Chamber, cpl. with ribs and guide vanes Chamber, cpl. Valve chamber Chamber, empty Impeller CM SP 1, 3, 5 Number of impellers Pos. Chamber Impeller Chamber Impeller Chamber Impeller...
  • Page 15 ул. Шафарнянская, 11, оф. 56, БЦ Turkey 20th km. Athinon-Markopoulou Av. «Порт» New Zealand GRUNDFOS POMPA San. ve Tic. Ltd. Sti. P.O. Box 71 Тел.: +7 (375 17) 286 39 72/73 GRUNDFOS Pumps NZ Ltd. Gebze Organize Sanayi Bölgesi GR-19002 Peania Факс: +7 (375 17) 286 39 71...
  • Page 16 98516798 0314 ECM: 1131478 www.grundfos.com...

Table of Contents