KNF N0150 EX, Перевод оригинальной инструкции по эксплуатации и установке

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Diaphragm pump N0150 EX Servicing
Translation of Original Operation and Installation Instruction, english, KNF 321729 11/19 37
WARNING
Risk of explosion from damage
If the housing cover is bent or if the paint is dam-
aged, there is no risk of explosion.
à
Perform the work steps carefully and without
the use of force.
5. For two-headed pumps:
Perform steps 3 and 4 for the second pump head.
Replacing the diaphragm
1. Heat the retainer plate (11) with a hot-air gun (T=approx. 400 °C) for ap-
prox. 5 minutes to approx. 100 °C.
WARNING
Risk of burns from hot parts
Burns may occur on skin contact with the hot re-
tainer plate and countersunk screw or other heated
pump parts.
à
Wear protective gloves.
à
Only loosen the retainer plate with face spanner
wrench.
à
Only place the retainer plate and countersunk
screw on a heat-resistant surface.
2. Removing the retainer plate (11):
Loosen the retainer plate from the conrod plate (9) with the wrench for re-
tainer plate by turning counterclockwise and remove it.
3. Remove the diaphragm (4).
4. Only .13:
Remove the O-ring (10) from the housing (5).
5. Only .13:
Remove the O-ring (8) from the conrod plate (9).
6. Check all parts for soiling and clean them if necessary.
There may be glue residue on the external thread of the retainer plate
as well as on the internal thread of the conrod plate. Remove this.
Caution: Take care not to let the shim ring(s) fall into the pump hous-
ing.
When removing the conrod plate, remove and set the shim ring(s)
aside for safe keeping.
When remounting, use the exact same number of shim ring(s).
7. Turn the fan blade to move the connecting rod (7) with conrod plate (9) to
the middle position.
8. Place the new diaphragm (4) on the conrod plate (9); make certain that
the bulges around the outer circumference and around the inner circum-
ference of the diaphragm lie in the grooves of the housing and conrod
plate.
9. Only .13:
Insert the new O-ring (10) in the housing (5).
10. Only .13:
Insert the new O-ring (8) in the conrod plate (9).