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Publication 5423-020-REV 1.0 • www.btxonline.com
The ECM 630 generator requires no special maintenance other
than keeping it clean.
To clean the exterior surfaces, use a lint-free cloth to remove loose
dust. Use care to avoid scratching the clear display window. For
more efficient cleaning, use a soft cloth dampened (not soaked)
with an aqueous solution of 75% isopropyl alcohol, or a mild
detergent.
Fuse Replacement
Key Information
1. Make sure the power cord is disconnected from the main
supply before servicing the fuse.
2. Use only Type 3AG, 1/4 x 11/4-in, 5 amp, 250 volt; Type T
(time delay) fuses.
Turn off power and remove power cord from power module.
Use a straight blade screwdriver to pry open the access door.
Remove the fuse holder and then remove the fuses from
this holder as shown in figure below. Replace fuses, and then
replace the fuse holder.
Battery Replacement
(Underside of Instrument)
1. Disconnect from mains power supply.
2. Remove screw and swing cover to the side.
3. Slide battery out from under clip.
4. Install Lithium Coin Battery: 3 V, 16 mm CR1620 by sliding
under clip with positive side facing out.
Maintenance
CAUTION: Use only same type and rated battery. Observe polarity
when installing.
