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Contents
1.
Type identification ....................................................................................................................... 2
1.1
Nameplate...................................................................................................................................................... 2
1.2
Type key .......................................................................................................................................................... 3
1.3
Code for shaft seal........................................................................................................................................4
2.
Torques and lubricants................................................................................................................. 5
3.
Service tools..................................................................................................................................6
3.1
Special tools ...................................................................................................................................................6
3.2
Standard tools ...............................................................................................................................................6
3.3
Torque tools ................................................................................................................................................... 7
4.
Dismantling and assembly ..........................................................................................................8
4.1
Transport bracket .........................................................................................................................................9
4.2
Dismantling the pump .............................................................................................................................. 11
4.3
Assembly....................................................................................................................................................... 12
4.4
Checking and replacing impellers/wear rings and neck rings ........................................................ 13
5.
Order of assembly for chambers and impellers........................................................................ 14
5.1
Overview of chambers for MTR 10 .........................................................................................................14
5.2
Positioning of chambers in MTR 10-2 up to MTR 10-16 .................................................................... 15
5.3
Positioning of chambers in MTR 10-18 up to MTR 10-22..................................................................16
5.4
Overview of chambers for MTR 15 and MTR 20 .................................................................................. 17
5.5
Positioning of chambers in MTR 15 and MTR 20 ................................................................................18
GB
96548180 0804
Service instructions
MTR 10, 15 and 20
50/60 Hz
1/3~
1 / 18
18

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Summary of Contents for Grundfos MTR 15

  • Page 1: Table Of Contents

    Positioning of chambers in MTR 10-2 up to MTR 10-16 ..............15 Positioning of chambers in MTR 10-18 up to MTR 10-22..............16 Overview of chambers for MTR 15 and MTR 20 .................. 17 Positioning of chambers in MTR 15 and MTR 20 ................18...
  • Page 2: Type Identification

    1. Type identification 1.1 Nameplate 1 2 3 MTR3-4/4 A-W-A-HUUV Model A96515006P10420 0,55 3500 27,1 bar/˚C 25/90 Technical file no. XXXXXXXX Serial No. 000001 Made in Taiwan II 2 G c 90 DK-8850 Bjerringbro Fig. 1. Nameplate with 60 Hz data Pos.
  • Page 3: Type Key

    1.2 Type key Example -HUUV Type range Rated flow rate m³/h Number of stages Number of impellers in the pump Code for pump version Basic version Oversize motor Undersize adapter flange (one flange size smaller) Oversize adapter flange (two flange sizes bigger) Special version Code for pipe connections M = Changed flange connection...
  • Page 4: Code For Shaft Seal

    1.3 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...
  • Page 5: Torques And Lubricants

    2. Torques and lubricants Pos. Designation Quantity Dim. Torque [Nm] Lubricant Screw 3 ± 0.25 13 ± 1.5 Hexagon socket head screw 31 ± 3 Thread-Eze 62 ± 6 Hexagon head screw Thread-Eze 18 ± 1 Nut for strap 20 ± 4 Gardolube 50 ±...
  • Page 6: Service Tools

    3. Service tools 3.1 Special tools Pos. Designation For pos. Description Part number Shaft holder for assembly SV0040 Ring insert tool for shaft seal SV2101 + square adapter SV2100 Puller for neck ring 49, 65 SV0239 3.2 Standard tools Pos. Designation For pos.
  • Page 7: Torque Tools

    3.3 Torque tools Pos. Designation For pos. Description Part number 1-6 Nm SV0438 9, 26b, 28a, 36, Torque wrench 4-20 Nm SV0292 105, 113 20-100 Nm SV0269 Ratchet insert tool 9 x 12, ½" x ½" SV0295 # / 18...
  • Page 8: Dismantling And Assembly

    4. Dismantling and assembly Position numbers Position numbers of parts (digits) refer to exploded views, sectional drawings and parts lists; position numbers of tools (letters) refer to 3. Service tools. Before dismantling • Disconnect the electricity supply to the motor. •...
  • Page 9: Transport Bracket

    4.1 Transport bracket To protect the bearings and the shaft seal, a transport bracket must always be used when transporting the pump without motor. Fig. 1 Transport bracket pos. 700 M10x20 Fig. 2 Transport bracket pos. 701 and 702 Fig. 1 Fig.
  • Page 10 4.1.2 Removing the transport bracket It is very important to proceed according to these instructions, as the shaft seal may otherwise be damaged. 1. Remove three of the screws pos. 9. 2. Slacken the last screw pos. 9, but do not unscrew it completely. 3.
  • Page 11: Dismantling The Pump

    10. If the neck rings pos. 45 in the chambers are worn, remove them by pressing off the retainer for neck rings using the puller for neck ring pos. 11. MTR 15 and 20: If the wear rings of the impellers pos. 49a are worn, remove them with the puller for neck ring pos.
  • Page 12: Assembly

    4.3 Assembly 4.3.1 Assembling the chamber stack 1. Fit the neck rings into the chambers pos. 45, if removed. 2. MTR 15 and 20: Fit the wear rings on the impellers pos. 49a, if removed. 3. Place the shaft holder pos.
  • Page 13: Checking And Replacing Impellers/Wear Rings And Neck Rings

    13. Check that the gaps either side of the coupling halves are equal. Fig. 6 Gaps between coupling halves 14. Tighten the screws to the torque stated, see 2. Torques and lubricants, and remove the adjusting fork. 15. Check that the shaft rotates freely and noiselessly. 16.
  • Page 14: Order Of Assembly For Chambers And Impellers

    5. Order of assembly for chambers and impellers 5.1 Overview of chambers for MTR 10 # / 18...
  • Page 15: Positioning Of Chambers In Mtr 10-2 Up To Mtr 10-16

    5.2 Positioning of chambers in MTR 10-2 up to MTR 10-16 MTR 10- 2 1 3 2 1 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 MTR 10- 10 9 8 7 6 5...
  • Page 16: Positioning Of Chambers In Mtr 10-18 Up To Mtr 10-22

    5.3 Positioning of chambers in MTR 10-18 up to MTR 10-22 MTR 10-18/ 17 16 15 14 13 12 11 10 9 MTR 10-20/ 20 19 18 17 16 15 14 13 12 11 10 9 MTR 10-22/ 22 21 20 19 18 17 16 15 14 13 12 11 10 9 # / 18...
  • Page 17: Overview Of Chambers For Mtr 15 And Mtr 20

    5.4 Overview of chambers for MTR 15 and MTR 20 # / 18...
  • Page 18: Positioning Of Chambers In Mtr 15 And Mtr 20

    5.5 Positioning of chambers in MTR 15 and MTR 20 MTR 15/20- 2 1 3 2 1 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1...

This manual is also suitable for:

Mtr 10Mtr 20

Table of Contents