3M PROTEGE PLUS - 7.2.6. Replacing the Pump Filter

3M™ PROTÉGÉ PLUS
PORTABLE MULTI-GAS MONITOR
MAINTENANCE
8006569, Rev. C/June 2019 7-15
Figure 7-14: Pump Icon
7.2.6. REPLACING THE PUMP FILTER
Required equipment: Philips screwdriver
Replace the pump filter as follows:
1. Loosen the M2 x 6 screw to remove filter window from the pump (see Figure 7-15:).
2. Remove the old filter from the from the filter window.
3. Replace with a new filter.
4. Install the filter window and secure the M2 x 6 screw.
Figure 7-15: Replacing the Pump Filter
LEL
CO
PPM
H2S PPM O2
%
%
M2X6 Screw
Membrane window
O-Ring
Filter membrane