GMI PPM Gasurveyor 500, User Handbook Manual

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3) Check Filter Housing Sealing Washer and Probe
Sealing Washer for signs of damage or wear and
replace if necessary.
4) Fit new Dust Filter.
5) Reassemble the Dust Filter Housing assembly.
In-line Water Filter (Accessory)
To replace the Hydrophobic Filter in the Water Filter
Housing assembly, proceed as follows:
1) Unscrew the filter housing assembly (Figure 4.4).
Water Filter Housing Assembly
Probe Sealing Washer
yellow
label
Hydrophobic Filter
Filter Housing
Sealing Washer
Figure 4.4 Water Filter Assembly
2) Remove Hydrophobic Filter, then discard.
OPERATOR MAINTENANCE