Buhler GAS 222.20 DH, Инструкции по сборке, установке и эксплуатации

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GAS 222.20 DH
6.1.2 Replacing the Outlet Filter with Micro-Fibreglass Filter Element
– Turn the handle at the rear end of the probe by 90° (handle must be horizontal), pushing in slightly, and remove.
– Unscrew the dirty filter element counter-clockwise from the thread of the handle.
– Pull both stainless steel filter seats off the filter element.
– Before installing the new filter element, replace the seal on the handle and inside the stainless steel filter seats (seals are in-
cluded with the filter element).
– Then turn the handle with the new filter by 90° (handle must be vertical), pushing in slightly.
CAUTION! Do not damage the rear filter seat.
Filter element
Stainless steel filter seat
(with two interior O-rings)
Thread
Handle
With the filter removed, you may also clean the inside of the sampling tube if necessary by blowing it out or using a cleaning
wand.
6.2 Maintenance Schedule
NOTICE
When using the probe in explosive areas the maintenance schedule must be observed!
Maintenance schedule for normal ambient conditions:
Component Interval in operating hours Work to be performed To be performed by
Entire probe every 8000 h – Check gas connections
– Proper function, dirt.
If damaged, replace or have repaired by Bühler.
Operator
Entire probe based on dust level
(layer must be < 3 mm) – Remove dust.
– On GAS 222.20DH also remove the insulation
and dust.
Operator
Filter every 8,000 h – Check dirt level of filter. Operator
Seals every 8,000 h – Replace O-rings.
– Replace seals after every filter change.
Operator
Entire probe after 20,000 h or 3 years Inspection by Bühler Service technician/Bühler
14 Bühler Technologies GmbH BE460045 ◦ 10/2019