ETS-Lindgren HI-3637 VLF Magnetic Field Meter - Manual (Page 23)

HI n 3637 Manual Page — 15
CAUTION
Never short the terminals of a NiCd battery (even a
discharged battery). The resulting current may be excessive
and cause the lead wires to become extremely hot, which
can result in severe burns and/or fire.
time. The HI n 3637 should be charged only with an
approved battery charger.
Battery Replacement
A NiCd battery powers the HI n 3637 Magnetic Field
Meter (See Table 5 n 1). In the event of battery failure, a
new battery can be obtained from Holaday Industries.
NOTE:
A #0 Phillips screwdriver works well for the
following procedure.
To replace the battery, remove the eight screws located
around the lip of the meter's front panel, pull the panel
away from the chassis and unplug the battery connector.
Remove the battery retainer and the old battery. Install
the new battery and reverse the above steps to
reassemble the meter.