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64171, Rev. 10/May 2019

3M™ GMI™ PS200 PORTABLE GAS MONITOR

OPERATOR MAINTENANCE

8-2

•

• Place the filter cover over the filter recess and slide it towards the display until the locating lugs

engage in the locating slots.

• Using a No.1 Pozidrive

screwdriver, tighten the captive screw.

8.2.2. SAMPLE INLET (DUST) FILTER REPLACEMENT

Figure 8-2: Sample Inlet (Dust) Filter Replacement

• Using a No.1 Pozidrive

screwdriver, remove the 2 Pozi Pan screws.

• Remove the inlet nozzle. The sample inlet filter is located at the rear of the inlet nozzle.

• Push a matchstick, or similar, into the front of the inlet nozzle and remove the sample inlet filter

from the rear of the inlet nozzle.

• Insert a new sample inlet filter into the rear of the inlet nozzle. Ensure the ‘rough’ surface faces

the inlet filter (sample side).

• Replace the inlet nozzle. The inlet nozzle will only fit in one direction.

• Using a No.1 Pozidrive

screwdriver, insert the 2 Pozi Pan screws.

NOTE: Ensure that the locating pegs in the monitor filter recess align with the mating

pin-holes in the hydrophobic filter.

NOTE: Do not overtighten the captive screw.

NOTE: Do not overtighten the screws.

3M GMI PS200 Series User Manual

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