Edwards ELD500 Series, Инструкция по эксплуатации

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D13510840D - SL Extender interface
Page 38
6. Response time until a calibrated leak indication occurs is over 2 seconds with a 5 minute
sample line.
Possible causes:

Filter tip clogged.

Sample line clogged.
Clearing the fault:

Exchange filter according to Exchanging the dust filter in the probe tip .

Blow out sample line.
Maintenance
When operating the ELD500 SL extender interface for prolonged periods of time under dusty
or damp conditions the tip of the sample probe or the separator may be become
contaminated or clogged. The affected parts will then have to be exchanged.
Any further maintenance is not required especially as the ELD500 SL extender interface
sample pump is maintenance-free.
Exchanging the separator
In case the separator has become contaminated or clogged it can be exchanged as follows:

Detach the ELD500 SL extender interface from the helium-leak detector.

Remove the connection flange ( Figure 34 item 5) on the ELD500 SL extender interface
by loosening the screws ( Figure 34 item 6).

Exchange the separator ( Figure 34 item 3) and if required also the O-rings
( Figure 34 item 2) respectively ( Figure 34 item 4) (all parts must be kept clean, do not
grease).

After having inserted the separator ( Figure 34 item 3) and the O-rings ( Figure 34
item 2) respectively ( Figure 34 item 4) again attach the connection flange ( Figure 34
item 5) by tightening the four screws ( Figure 34 item 6) (tighten screws clockwise).

Attach the ELD500 SL extender interface to the leak detector (see Vacuum
connection ).

Check operation as described in Function test .