3M 740 Manuals

1 / 11 MO 0765-0601 740 wrist strap + shoe tester 3 < > o.k. 1 2 3 740 Wrist strap + shoe tester Operating Instructions MO 0765-0601 April, 2001

1 / 11 MO 0688-1101 740 wrist strap + shoe tester 3 < > o.k. 1 2 3 740 Wrist strap + shoe tester Operating Instructions MO 0688-1101 Nov 2001

3M ™ Multi-Gas Detector 740 Series with Data Logging Software – Battery Maintenance The battery must be replaced in a non-hazardous area only. Battery replacement is not an intrinsically safe operation. The detector may be operated with a lithium ion battery or with 3 approved AAA size alkaline batteries. The detector will recognize a new type of battery pack upon start up. See the user instructions for a list of approved batteries and model number. The 3M™ Lithium Ion Battery (921-020-201) and Duracell® Copper Top® Battery will be shown in this video demonstration. Only the batteries listed have been evaluated to meet the requirements of intrinsic safety for CSA approval. Use of batteries other than those listed in the user instructions m impair intrinsic safety. The battery should be replaced when the detector indicates a low battery condition or according to an establish change schedule. To remove it: a) Turn off the unit. b) Unscrew the four screws on the back cover plate of the detector and remove the cover plate. c) Slide the Li-ion pack towards the bottom of the detector and pull if out or, d) remove the AAA batteries from the battery compartment. e) Place the replacement Li-ion battery pack into the battery compartment or, f) place three AAA batteries into the battery compartment noting their orientation. g) Replace the back cover and four screws. h) Turn the unit on to confirm proper operation. Charging the Li-ion Battery The 740 Detector comes with a charger (3M Part No. 457-221-005) that can be used with 110-240 volt and 50 or 60 Hz electrical systems. The charger comes with 4 optional plugs to fit most electrical outlets found throughout the world. To assemble the charger: a) Select the plug for the system you are using. b) Slide the charger on the plug until it clicks into place.