8�2 Pump Replacement - Honeywell Midas User Manual

Diagram 8-3. Fitting/replacing sensor cartridge
mid as
Gas Sen
sor Car
tridg e
NIT RO
GE N TR
IFL UO
NF 3 RID E
PN : MID
AS -S-
SN : 023 HF X
Us e by 445 667
0
: 07- 09-
200 6
Caution
When refitting the cover to the Midas
use caution to prevent damage to the RFI
shielding tabs attached to the chassis.
8.2 Pump Replacement
The pump module has been designed to allow easy
replacement. New pump modules, (MIDAS-A-007),
are supplied with new springs, bracket and tubing
pre-assembled for quick release / replacement.
mi da s
Gas Sen
sor Car
trid ge
NIT RO
GE N TR
IFL UO
NF 3 RID E
PN : MI
DA S-S
SN : 02 -H FX
34 45 66
Us e by
70
: 07 -09
-20 06
(MIDAS-A-007)
The following procedure should be followed carefully
and only performed by suitably trained personnel.
1. Isolate the power to the detector.
2. Unscrew the thumbscrew located on the front
3. Remove the cover by pulling it forward off the
4. Unscrew the two retaining screws located at
5. Pull the main chassis forward to disconnect it
unit,
®
8-4
Midas
Diagram 8-5. Location of pump module.
Pump module
panel.
main chassis.
the bottom front of the chassis.
from the mounting bracket assembly.
Gas Detector
®