Environnement AF22e, Техническое руководство, Страница: 90 / 118

Environnement
S.A
AF22e
Duplication prohibited
APRIL 2016
4–10
MAINTENANCE SHEET
MONITOR Serial No.: OPERATION SHEET: 4.3.4
Scope: KNF pump maintenance PAGE: 2/5 Frequency: 1 year
Dismantling the pump head:
−
Draw a line with a pen (7) to mark the cover (8), the cylinder head (9), and the pump body (10).
This will avoid incorrect part positioning when the pump is reassembled. Remove the cover (11)
by delicately turning a screwdriver blade in the slots (12) in order to access the eccentric (13).
−
Unscrew the pump head screws (14) to remove the cover (8) and the cylinder head (9) from the
pump body (10) in order to release the diaphragm (15), the valves (16), and the O-rings.
(7) pen mark, (8) cover, (9) cylinder head, (10) body pump, (11) eccentric cover, (12) slots, (13)
eccentric, (14) screws, (15) diaphragm, (16) valves.
Figure 4–3 – KNF pump head dismantling
Date
Tools and parts required
•
Two flat screwdrivers, 1 x 5.5 cm and 0.4 x 2.5 cm
•
Hexagon socket head wrench, n°3
•
KNF pump maintenance kit. Ref.: V04-0005
•
Cross-tip screwdriver, 4.5 x 75 cm