Order Of Assembly For Chambers And Impellers; Cr, Cri, Crn 1, 3 - Grundfos CR 1 A Service Instruction

5. Order of assembly for chambers and impellers

1. Determine the pump type and the stage variant. Find the pump in the relevant stage survey table.
2. Find the components of each stage in the symbol survey.

5.1 CR, CRI, CRN 1, 3

2 3 4 5
Stage survey (top), symbol survey (bottom)
CR / CRI / CRN 1 & 3 -
6 7 8 9 10 11 12 13
64
4
49
15 17 19 21 23 25 27 29
47a
64
4 4a
64a
49
30 31 33 36
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
67
66
64c
49
17