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Hazardous Area Operation
Service Replacement Items
A-22
Prima PRO & Sentinel PRO Mass Spectrometers User Guide
Caution!
In the event that one of these third party items has to be
replaced, the purge adapter screw(s) must be removed and
retained.
Refit the adapter(s) to the replacement item before refitting.
Reconnect the ejector lines before putting back into service.
The original screws are stored within the enclosure. These can be
fitted to the faulty item if it is being returned for servicing,
investigation, etc.
In the event that any cable gland in the enclosure need replacement,
it is important that the correct size and type of gland are used. See
Figure A–1
for identification of these glands.
Size: M32
Type: Exd into
isolation box. IP40
into enclosure
Rotary pump cable (rear
corner)
Size: M20
Type: Exd
2nd rotary pump
(where used)
Size: M20
Type: Exe blank (no
pump) or Exd (pump
fitted)
Size: M16
Type: Exe with internal
seal around cable
Figure A–1. Enclosure cable glands
Size: M20
Type: Exe
Size: M20 ext, 1/4" BSP
int
Type: Nickel plated
brass, pipe bulkhead
Size: M32
Type: Exe
Size: M16
Type: Exe
Glands specified as Exe
Size: M20
must be either Exe
Type: Exe
certified or metal,
minimum IP40.
Thermo Fisher Scientific
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