KNF N630.12, Перевод оригинальных инструкций по эксплуатации и установке

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Diaphragm pump N630.12 Servicing
Translation of Original Operating and Installation Instruction, english, KNF 318761-318764 02/22 43
1 Head plate
2 O-ring
3 O-ring
4 Retainer plate
5 O-ring
6 O-ring
7 Conrod plate, top
8 Safety diaphragm
9 Conrod plate, bottom
10 O-ring
11 Connecting rod
12 Shim rings
13 Retainer plate screw
14 Housing
15 Intermediate ring
16 Hexagon socket head
cap screw
17 Working diaphragm
18 Intermediate plate
19 Valve limiter
20 Valve
21 Slotted cap screw
22 O-ring
23 Screw plug
24 Hexagon socket head
cap screw
25 Cylindrical pin
26 Washer (ST head only)
Fig.19 Components of the pump head
The following item numbers refer to Fig. 19 unless specified other-
wise.
Removing the pump head
1. Accessing the fan blades:
Mark the motor fan cover with a continuous line made with a felt-tip pen
(for later reassembly) and then loosen the fastening screws of the motor
fan cover (see Chapter
4 Product description and function ) and remove
the cover.
Union nut
Marking
Fig.20 Marking of the union nuts
2. For two-headed pumps only:
Remove the pneumatic connection between the pump heads; to do
this, mark the union nuts according to Fig. 20 and loosen them.
3. Mark the head plate (1), intermediate plate (18) and housing (14) with
a continuous line made with a felt-tip pen.
This helps to avoid incorrect assembly later.
4. Loosen the six cheese head screws (24) by turning them counterclock-
wise with an Allen key; remove the head plate (1) and intermediate
plate (18).
5. For two-headed pumps:
Perform steps 3 and 4 for the second pump head.
Replacing the diaphragm
1. Loosen the retainer plate screw (13) by turning it counterclockwise with
the Torx key.
2. Remove the O-rings (10), retainer plate (4), washer (26; ST head only)
and working diaphragm (17).
3. Remove the O-rings (10) from the retainer plate screw (13).
4. Remove the O-ring (5) from the intermediate ring (15).
5. Loosen the six hexagon socket head cap screws (16).