1
3
4
2
Fig. 10:
Handle
1 Handle
3
Screw (2×)
2 Housing cover
4
Groove
Dismantling the handle
1. Loosen the screws of the handle.
2. Push the handle from the groove in the housing cover.
Installing the handle
1. Push the handle into the groove in the housing cover.
2. Pay attention to the correct position of the handle above the center of gravity of the vacuum pump.
3. Fasten the screws of the handle to the nuts in the housing cover.
9.4 Change the diaphragms and valves
NOTICE
Property damage from incorrect installation
Changed dead volume due to incorrect installation of the original spacer disks worsens the final vac-
uum or leads to bearing damage.
► During disassembly, keep the existing spacer disks separate per installation location.
► Reinstall the same number of original spacer disks per diaphragm head.
9.4.1 Dismantle the pump head and valves
Avoid interchanging components
Always dismantle and mount only the pump head on one pump side in order to avoid inter-
changing the components.
The procedures are identical for both pump heads.
Prerequisites
● Handle dismantled
● Diaphragm pump supported
Required tools
● Open-end wrench,
WAF 15
● Open-end wrench,
WAF 16
● Allen key,
WAF 4
Maintenance
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