IWAKI PUMPS EHN-B11-NAE, Manual

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58
Pump head
■ EHN-B11/-B16/-B21/-B31/-C16/-C21/-C31/-C36 VC/VH/PC/PH
No. Part names # of parts
1 Pump head 1
3 Fitting 1
4 Fitting nut 3
5 Air vent body B 1
6 Lock nut 1
7 Diaphragm 1
9 Retainer 1
10 Air vent body A 1
11 Valve guide 4
12 Valve seat 4
13 Valve 4
14 Valve gasket 2
17 O ring 2
18 Diaphragm spacer *
19 Hex socket cap bolt [PW•SW] 4
23 Adjusting screw 1
25 O ring 1
26 O ring 1
27 O ring 1
29 Hose stopper 3
30 Hose adapter 3
31 O ring 3
* The number of diaphragm spacers varies with
pump model.
■ EHN-B11/-B16/-B21/-B31/-C16/-C21/-C31/-C36 PP
No. Part names # of parts
1 Pump head 1
3 Fitting 1
4 Fitting nut 3
5 Air vent body B 1
6 Lock nut 1
7 Diaphragm 1
9 Retainer 1
10 Air vent body A 1
11 Valve guide 4
12 Valve seat 4
13 Valve 4
14 Valve gasket 6
17 O ring 2
18 Diaphragm spacer *
19 Hex socket cap bolt [PW•SW] 4
23 Adjusting screw 1
25 O ring 1
26 O ring 1
27 O ring 1
29 Hose stopper 3
30 Hose adapter 3
31 O ring 3
* The number of diaphragm spacers varies with
pump model.
Exploded view
29
30
23
25
10
27
5
26
6
14
11
13
12
11
13
12
17
31
31
4
29
30
3
13
11
14
17
12
13
11
12
31
30
29
4
1
9
7
19
18
3
14
31
30
29
4
13
11
14
17
12
13
11
12
14
1
9
19
18
7
29
30
23
25
10
27
5
26
6
31
31
4
29
30
14
14
11
13
12
11
13
12
14
17