M&C TechGroup N9 KP18 Operator's manual - Manual (Page 15)

15
Gas sampling and conditioning technology 6-1.2.1ME
Figure 6 Sectional drawing N3/5 KPE
Figure 7 Sectional drawing N9 PE
Parts and tools required:

Valve plates, sealing rings (2 for each pump head) and structured diaphragm(s)

Screwdriver no. 1
N O T E !
Always change valve plates, diaphragm and sealing rings at the same
time.
Change the diaphragm, valve plates and sealing rings in the following sequence:

Remove pump head

Change diaphragm

Change valve plates and sealing rings

Refit pump head
Proceed as follows:
14.1 REMOVING THE PUMP HEAD TYPE N 3/5/9 KPE/KP18

Make a mark on the head plate 3 (N3/5 with metal frame), intermediate plate 2 and housing 1
with a felt-tip pen. This helps avoid incorrect assembly later

Undo the screws 4 in the head plate with the intermediate plate off the pump housing.
3
4
2
9
1
13
16
14
11
7
8