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Summary of Contents for Grundfos CR SF 32
- Page 1 GRUNDFOS INSTRUCTIONS CRN SF 32, 45, 64 and 90 Model B Service instructions...
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Page 3: Table Of Contents
– Use the public or private waste collection service. – If this is not possible, contact the nearest Grundfos company If these safety instructions are not observed, it may or service workshop. Caution result in malfunction or damage to the equipment. -
Page 4: Identification
3. Identification This section shows the type key, the nameplate and the codes that can appear in the variant code. As codes can be combined, a code position may Note contain more than one code (letter). 3.1 Nameplate Type Model bar/°C >... -
Page 5: Type Key
3.2 Type key Example HQQE Type range Rated flow rate, m Number of stages Code for pump version A = Basic version B = Oversize motor E = Certificate/approval F = Pump for high temperatures (air-cooled top) H = Horizontal version HS = High-pressure pump with over-synchronous speed and reversed chamber stack and direction of rotation I = Differential pressure rating... -
Page 6: Code For Shaft Seal
3.3 Code for shaft seal The code for shaft seal always consists of four letters. Example Principal Grundfos type designation for shaft seal Material, rotating seal face Material, stationary seat Material, secondary seal The following codes are used: Position Code Description... -
Page 7: Torques And Lubricants
4. Torques and lubricants Pos. Designation Dimensions Torque [Nm] Lubricant Hexagon socket head cap screw M10 x 50 Thread-Eze Hexagon socket head cap screw M10 x 25 Thread-Eze Air vent screw 5/20 Plug 1/2" Thread-Eze Thread-Eze Hexagon head bolt M16 x 50 Thread-Eze Thread-Eze Hexagon socket head cap screw... -
Page 8: Service Tools
5. Service tools 5.1 Special tools Pos. Designation For pos. Description Part number CR, CRN SF 32 ~ SV0003-3 CR, CRN SF 45 ~ SV0003-4 Tool for dismantling and assembly of SV0003 chamber stack, with pin CR, CRN SF 64 ~ SV0003-5 CR, CRN SF 90 ~ SV0003-2 CR, CRN SF 32 96855938... -
Page 9: Standard Tools
5.2 Standard tools Pos. Designation For pos. Description Part number 3 mm SV0153 5 mm SV0124 Tee key 6 mm SV0050 8 mm SV0051 5 mm SV0296 6 mm SV0297 Hexagon head driver 8 mm SV0298 1/2" SV0094 5/8" SV0093 13 mm SV0413 Hexagon socket... -
Page 10: Dismantling And Assembly
Lubricate the hexagon socket head cap screws (pos. 9). Fit the See section 4. Torques and lubricants. screws by hand and leave loose. The Grundfos centrifugal pumps, types CR, CRN 32, 45, 64 and Check that the gaps either side of the coupling halves are 90, are multi-stage in-line pumps. -
Page 11: Replacement Of Motor Stool
6.3 Replacement of motor stool 6.5 Replacement of shaft seal 6.3.1 Dismantling 6.5.1 Dismantling Remove the screws (pos. 7a) and the coupling guards (pos. 7). Remove the screws (pos. 7a) and the coupling guards (pos. 7). Keep the shaft seal in position on the shaft by inserting the Remove the screws (pos. -
Page 12: Replacement Of Pump Head
6.5.2 Assembly 6.6 Replacement of pump head Clean and smooth the shaft before fitting the shaft seal. Use the 6.6.1 Dismantling plastic holder and emery cloth supplied with the shaft seal kit. Remove the screws (pos. 7a) and the coupling guards (pos. 7). Apply O-ring grease to the shaft end and the O-ring of the shaft Remove the screws (pos. -
Page 13: Replacement Of Chamber Stack
6.7 Replacement of chamber stack 6.8 Chamber stack 6.7.1 Dismantling 6.8.1 Dismantling of chamber stack Remove the pump head. See section 6.6 Replacement of pump Place the tool for dismantling and assembly of chamber stack (pos. A) in a vice, and tighten it. Place the tool for fixation of head. -
Page 14: Pump Head And Shaft Seal
6.8.3 Assembly of chamber stack 6.8.4 Assembling chambers Before assembly, clean and check all parts. Parts that are Depending on their construction, dismantle the chambers defective or do not comply with the measurements due to wear according to the instructions below. The symbols refer to should be replaced by new parts. -
Page 15: Crn 32 Sf Order Of Assembly
6.10 CRN 32 SF order of assembly The table shows the assembly order of the chamber stacks by means of symbols. Order of assembly, chambers and impellers... -
Page 16: Crn 45 Sf Order Of Assembly
6.11 CRN 45 SF order of assembly The table shows the assembly order of the chamber stacks by means of symbols. Order of assembly, chambers and impellers... -
Page 17: Crn 64 Sf Order Of Assembly
6.12 CRN 64 SF order of assembly The table shows the assembly order of the chamber stacks by means of symbols. Order of assembly, chambers and impellers... -
Page 18: Crn 90 Sf Order Of Assembly
6.13 CRN 90 SF order of assembly The table shows the assembly order of the chamber stacks by means of symbols. Order of assembly, chambers and impellers... -
Page 19: Positions
7. Positions Pos. Designation Motor stool Pump head Intermediate ring Hexagon socket head cap screw Intermediate chamber Chamber with bearing Base Hexagon socket head cap screw Corrugated spring for base Washer Coupling guard Screw Hexagon socket head cap screw Coupling half Vent screw Plug Drain plug... -
Page 20: Exploded Views
8. Exploded views Exploded view of CRN 32 and 64 SF... - Page 21 Exploded view of CRN 45 SF model B...
- Page 22 Exploded view of CRN 90 SF model B...
- Page 23 BOMBAS GRUNDFOS DO BRASIL Turkey Siu Wai Industrial Centre GRUNDFOS Pumper A/S Av. Humberto de Alencar Castelo Branco, GRUNDFOS POMPA San. ve Tic. Ltd. Sti. 29-33 Wing Hong Street & Strømsveien 344 Gebze Organize Sanayi Bölgesi 68 King Lam Street, Cheung Sha Wan...
- Page 24 99552673 1118 ECM: 1249004 www.grundfos.com...
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