DC Electric Full-size RTs
December 2007 Page 53
Section 2 - Operation Battery Maintenance
Batteries do not fully charge.
If the batteries are charged overnight, make sure the
AC supply is not being switched off at night with other
building items. Check battery condition and for dead
cells or reduced capacity. Replace charger only if other
problems are not found.
The AC line circuit breaker or fuse is blown.
A defective circuit breaker or fuse, an overloaded
circuit, or a charger problem can cause this condition.
Try connecting the charger to a different AC outlet
(on a different circuit) in the building. If the AC supply
checks good, the charger should be replaced.
EE-Rated Aerial Platforms
WARNING
Do not charge batteries in hazardous area!
The EE-rating of a aerial platform does not
include the charging of batteries.
1. Move the aerial platform to an area designated for
battery charging. Refer to NFPA 505 for charging
setup. NFPA 505 is a publication of the National
Fire Protection Association, Inc., Batterymarch
Park, Quincy, MA 02269 (USA).
2. Connect battery charger DC plug into the battery
tray.
3. Charge batteries. Refer to Section 2.17-2 for
battery charging operation. When charge cycle is
completed, disconnect charger plug from battery
tray.
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