Grove toucan 1010, Service Manual

Page: 36 / 73

Toucan 1010
Models
Revision 02-2000
36
4.7. Storage of a battery at
temperatures below 0
°
C (32
°
F)
Prior to battery storage at temperatures below 0°C (
32 °F), electrolyte specific gravity must be verified
in each cell. Refer to ELECTROLYTE SPECIFIC
GRAVITY AND BATTERY VOLTAGE in this section
for electrolyte specific gravity measurement operating
mode.
Electrolyte specific gravity measures enable to
determine the electrolyte freezing point using the
chart below :
NOTE
When the battery is fully charged (1.280 kg/l),
the electrolyte freezing point is –85°C (-121°F).
The freezing point of a battery 80% discharged
(1.150 kg/l) is –12°C (10°F).
4.8. Use of a battery in a cold
chamber or in a cold climate
The battery must be fully charged when the
work platform is operated in a cold chamber
or in cold weather conditions.
Temperature has an effect on battery autonomy : the
battery looses 1% of its capacity per Celcius degree
below +25°C (77°F) (temperature of the electrolyte).
Example : a battery operating with its electrolyte at
a temperature of –30°C (-22°F) will loose 55% of
its autonomy.
1.00 1.05 1.10 1.15 1.20 1.25 1.30 1.35 1.40 1.45 1.50
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
1.075
-5
Electrolyte specific gravity
T
e
m
p
e
ra
tu
re
in
°
C
! CAUTION
BATTERY - CHARGER 4 4
4.9. Battery not working
continuously or inactive battery
A battery which is not used or used by intermittence
must be stored charged in a dry area away from
freezing temperatures. An equalization charge must
be performed once a month.(In these conditions
battery storage is possible at temperature of 30°C
(86°F) for a 12 months period.
Storing a discharged battery will result in
irreversible damage to the battery.
- Unplug the battery to insulate it electrically.
- Keep the top of the battery clean and dry to
prevent self discharge : during inactivity
periods, batteries loose their charge
progressively (self-discharge). Self-discharge
causes battery plates corrosion, which
increases with time, resulting in battery
malfunction.
If the battery is not used continously, it must
be recharged at least once a month, even if
the electrolyte specific gravity measures are
high.
Before placing in service a battery which
remained inactive for a long period of time
you must recharge the battery and check the
electrolyte level in the cells.
! CAUTION
! CAUTION
! CAUTION