Diaphragm pump N85, N86 Servicing
Translation of original Operating and Installation Instructions, english, KNF 121258-121528 01/20 33
Fig. 13: One-headed pump (N86K_E)
The position numbers in the following text refer to Fig. 13. Proceed
as follows:
a.) Preparatory steps
1. Remove the pump from the source of electrical power. Make
sure the pump is voltage-free and secure it.
2. Only for models with dc motors (no cooling fan): remove cover
(6) from pump housing (1); to do this insert a screwdriver into
the slots on the sides, and prise the cover off (with care the
sealing between cover and housing may be reused).
On these models, which have no fan, where reference is made
to turning or holding the cooling fan, the necessary operations
2 Intermediate plate
3 Head plate
4 Screw
6 Cover
7 Valve plate/sealing
9 Diaphragm
10 Diaphragm support
11 Diaphragm spacer(s)
13 Connection Rod
14 Eccentric
16 Counter weight
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