Grundfos CRN 16 B - User Manual

22.10.2002
GB
Page 1 of 12
Service instructions
CRN 16 model B
CRT 16 model A
50/60 Hz
3~
Table of contents
1. Type identification........................................................................................................................... 2
1.1 Nameplate CR, CRN, CRT................................................................................................................ 2
1.2 Type key ............................................................................................................................................ 3
1.3 Codes used........................................................................................................................................ 3
2. Torques and lubricants................................................................................................................... 4
3. Service tools .................................................................................................................................... 5
3.1 Special tools ...................................................................................................................................... 5
3.2 Standard tools.................................................................................................................................... 5
3.3 Torque tools....................................................................................................................................... 5
4. Shaft seals........................................................................................................................................ 6
5. Dismantling and assembly ............................................................................................................. 7
5.1 Dismantling........................................................................................................................................ 7
5.2 Assembly ........................................................................................................................................... 8
6. Order of assembly for chambers and impellers ......................................................................... 11
6.1 CRN 16............................................................................................................................................ 11
6.2 CRT 16 ............................................................................................................................................ 12

Summary

Type Identification

Nameplate CR, CRN, CRT

Details the pump nameplate and its constituent parts for identification.

Type Key

Explains the structure and meaning of the pump's type designation code.

Codes Used

Lists and defines the various codes utilized within the pump's type designation.

Torques and Lubricants

Service Tools

Special Tools

Lists and describes specialized tools required for pump maintenance.

Standard Tools

Lists common tools used for pump service and their applications.

Torque Tools

Details torque wrenches and associated tools for precise tightening.

Shaft Seals

Dismantling and Assembly

Dismantling

Step-by-step guide for safely taking apart the pump components.

Assembly

Detailed instructions for reassembling the pump after maintenance.

Order of Assembly for Chambers and Impellers

CRN 16

Specific stage survey and symbol key for CRN 16 pumps.

CRT 16

Specific stage survey and symbol key for CRT 16 pumps.

Grundfos CRN 16 B Specifications

General

Series	CRN
Size	16
Max Temperature	120 °C
Material	Stainless Steel
Application	industrial applications