KNF N630 EX, Перевод оригинальной инструкции по эксплуатации и установке

Страница: 41 / 144

Diaphragm pump N630 EX Servicing
Translation of Original Operation and Installation Instruction, english, KNF 320945 04/21 41
Tool and material
Quan-
tity Tool/material
1 TORX ® T30 screwdriver with torque indicator
1 Size 5 Allen key with torque indicator
1 Screwdriver blade width 5.5 mm
1 Felt-tip pen
1 19 mm open-end wrench (only for two-headed pumps)
1 PZ2 Phillips-head screwdriver (for fan cover)
Tab.21 *According to accessories list, Chapter 11.2 Accessories
1 Head plate
2 O-ring
3 O-ring (only .13)
4 Retainer plate
5 O-ring (only .13)
6 Conrod plate, top
7 O-ring
8 Connecting rod
9 Shim rings
10 Retainer plate screw
11 Housing
12 Operating diaphragm
13 Intermediate plate
14 Cylindrical pin
15 Hexagon socket head
cap screws
16 Slotted cap screw
17 Reed valve
18 Valve stopper
19 Washer (ST head only)
Fig.18 Components of the pump head
The following item numbers refer to Fig. 18 unless specified other-
wise.
Removing the pump head
1. Accessing the fan blades:
Loosen the fastening screws of the motor fan cover (see Fig. 1) and re-
move the cover.
Union nut
Marking
Fig.19 Marking of the union nuts
2. Only for two-headed pumps:
Remove the pneumatic connection between the pump heads; to do
this, mark the union nuts according to Fig. 19 and loosen them.
3. Mark head plate (1), intermediate plate (13) and housing (11) with a
continuous line made with a felt-tip pen.
This helps avoid incorrect assembly later.
4. Loosen the six hexagon socket head cap screws (15) by turning them
counterclockwise with the Allen key; remove the head plate (1) and in-
termediate plate (13).