Alcatel ASM 180 TD User Manual page 154

Change the membrane
Access the membrane
Remove the membrane (8)
Install a new membrane
Reassemble the intake
chamber
Repeat the operation
on the other 3 intake
chambers
Check that the pump is
operating correctly
Alcatel Vacuum Technology France - ASM 180 TD/TD+ - ASM 181 TD+ User's Manual
MD4E membrane pump
maintenance
Remove the securing
screw (6) (attached screw).
Remove the tension disc (7)
using, if necessary, a tool
(screwdriver, allen wrench) to
detech the disc from the
membrane.
using a seal plate if necessary.
Clean
the bearing surfaces and the support disc (9).
Put a new membrane in place.
On top of it, position the tension disc.
Pour a drop of low thread braking fluid (loctite) on the screw
threads and secure the disc.
see page 2.
The pump itself must reach
a limit pressure ≤ 3mbar.
If necessary, plan a gross leak test (with alcohol).
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