Control Plc

Service instructions
CR 1, CR 3 and CR 5
Model A
50/60 Hz
1/3~

Table of contents
1.
1.1
1.2

Type identification ........................................................................................................................... 2
Nameplate CR-, CRI, CRN, 1, 3 and 5 .............................................................................................. 2
Type key............................................................................................................................................ 3

2.

Torques and lubricants ................................................................................................................... 4

3.
3.1
3.2
3.3

Service tools.................................................................................................................................... 5
Special tools ...................................................................................................................................... 5
Standard tools.................................................................................................................................... 6
Torquetools....................................................................................................................................... 6

4.
4.1
4.2
4.3
4.4
4.5
4.6
4.7

Dismantling and assembly ............................................................................................................. 7
General.............................................................................................................................................. 7
Replacement of motor ....................................................................................................................... 8
Replacement of shaft seal ................................................................................................................. 9
Dismantling and assembly of pump main parts............................................................................... 10
Dismantling and assembly of chamber stack .................................................................................. 11
Dismantling and assembly of base and pump head ........................................................................ 12
Checking and replacement of parts................................................................................................. 13

5.
5.1
5.2

Order of assembly for chambers and impellers ......................................................................... 14
CR 1 and CR 3 ................................................................................................................................ 14
CR5................................................................................................................................................. 15

05.04.2002

GB

1 / 15

1. Type identification
This section shows the type key, the nameplate and the codes that can appear in the variant code.
Note: As codes can be combined, a code position may contain more than one code (letter).

1.1 Nameplate CR-, CRI, CRN, 1, 3 and 5

23

CR1-3A-A-A-E-HUBE
Type Model A96450484P30047
50Hz P2 0.37 kW 60HzP2 0.37 kW
-1
-1
n 2900 min
n 3500 min
Hmax
Hmax26.8 m
18.4 m
3
Q 2.0 m/ h
Q 2.1 m3 /h
H 12.7 m
H 20.4 m
o
max max 16/120 bar / C CCW
MADE IN DENMARK
96439820

6
7
8
9
10

45

17

16 18

Pos.

Description

11
12
13
14
15

TM02 0496 4800

1

Pos.

Description

1

Type designation seesection
1.2 Type key

10

Head at rated flow rate, 50 Hz

2

Model

11

P2, 60 Hz

3

Product number

12

Speed, 60 Hz

4

Place of production

13

Head against closed valve, 60 Hz

5

Production year and week

14

Rated flow rate, 60 Hz

6

P2, 50 Hz

15

Head at rated flow rate, 60 Hz

7

Speed, 50 Hz

16

Maximum pressure and temperature

8...