3M™ PROTÉGÉ PLUS
PORTABLE MULTI-GAS MONITOR
MAINTENANCE
8006569, Rev. C/June 2019 7-13
Figure 7-12: Lithium Battery Pack Access
3. Replace the existing battery pack with a new battery pack (see Figure 7-12:).
4. Install the battery cover and tighten the screws with the sequence shown in Figure 7-11: Screw
Sequence
..
7.2.4. REPLACING THE SENSOR FILTERS
Replace sensor filters as follows:
1. Refer to steps 1 through 3 in Section 7.2.1. REPLACING SENSORS to remove the old sensor
cover.
WARNING: AFTER REPLACEMENT, PERFORM A BUMP TEST AND CALIBRATION TO
ENSURE PROPER OPERATION PRIOR TO PLACING BACK INTO SERVICE.
FAILURE TO FOLLOW THIS WARNING COULD LEAD TO SERIOUS
INJURY OR DEATH.
WARNING: DO NOT REPLACE FILTERS WHILE IN A HAZARDOUS LOCATION.
FAILURE TO FOLLOWING THIS WARNING COULD LEAD TO SERIOUS
INJURY OR DEATH.
WARNING: AFTER REPLACEMENT, PERFORM A BUMP TEST AND CALIBRATION TO
ENSURE PROPER OPERATION PRIOR TO PLACING BACK INTO SERVICE.
FAILURE TO FOLLOW THIS WARNING COULD LEAD TO SERIOUS
INJURY OR DEATH.
CAUTION: Do not attempt to replace the individual filters. Doing so violates ingress
protection rating and product certification.
1
2
3
4
M2.5 x 20
Screws
M2.5 x 10
Screws
Lithium-Ion
Battery Pack
Battery
Cover
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