ALKALINE BATTERY USE
If recharging is not an option, alkaline batteries may be used. An accessory
battery case assembly (PN 104148) is available as an option.
F. MAINTENANCE
Model 3440-L F–3
CAUTION
Do not mix alkaline and rechargeable batteries in the
gauge. Charging may cause alkaline batteries to explode!
To replace the battery packs, first turn the gauge off. Then, remove the
display panel assembly by loosening the four captive screws on the display
panel. Third, disconnect the ribbon cable from the baseboard. The ribbon
cable connection is a locking release. To disconnect, pull the levers on
either side of the ribbon down. After disconnecting the ribbon cable,
remove the four screws that attach the top shell to the gauge base and
suspend the top shell from the handle.
After noting the polarity of the connections, disconnect the battery packs
(located on either side of the post). The connectors are white plugs with red
and black wires. Remove the battery pack screws closest to the baseboard
(right) for each battery pack. To remove each battery pack, slide the pack
forward and lift up.
Replace each battery pack by sliding a new pack beneath the left screw and
washer. Replace the right screw for each battery pack. With the same
polarity as noted previously, connect the battery packs to the baseboard.
Replace the top shell. Be careful not to over-tighten the screws. Also, be
sure to tighten them evenly to prevent warping of the top shell.
Reconnect the ribbon cable to the baseboard assembly and replace the
front panel assembly.
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