beautypg.com

Replacing the diaphragm – VACUUBRAND PC 3012 VARIO plastic housing User Manual

Page 105

background image

page 105 of 129

Opening the hose clip:

Apply slotted screwdriver as shown and

turn.

Disassemble head covers (J) to check the

diaphragm (F).

Unscrew four (pump with two heads) or eight

(pump with four heads) Allen screws (H) with

a 5mm wide Allen key. Remove both head

covers (J) (pumps with two heads: only one

head cover) together with valve heads (O)

and connections.

+

It is not necessary to disassemble the valve

heads (O), the connection fasteners (Q), or

the hose connection between the adjacent

head covers (pumps with four heads).

Replacing the diaphragm

J H

O

Open the hose clip (U) with a slotted screw-

driver.

Pull the tubing off the hose connector.

+

Check diaphragm (F) for damage and re-

place if necessary.

Lift diaphragm carefully sidewise.

+

Never use a pointed or sharp-edged tool to

lift the diaphragm.

Use the diaphragm key to grip the diaphragm

support disc (E) below the diaphragm.

Unscrew diaphragm support disc (E) with diaphragm (F) and dia-

phragm clamping disc (G).

F

G

Q