MAINTENANCE 6-19
6. Check temperature of electrolyte, if it
reaches 40°C (105°F), lower the
charging rate. When temperature is too
high, reduce charging rate and charge
for a proportionately longer period.
7. If the tractor is stored after original
charge, periodically recharge as
shown below :
A battery is fully charged when the
cells are all gassing freely and the
specific gravity ceases to rise for
three consecutive readings taken at
hour intervals. Specific gravity shall
then be adjusted to showed in Table
1.
8. Check electrolyte level two hours af-
ter chargingis finished and correct it.
< Table 3 >
about 5 hours
10
30
Period of storage
from manufacture
(months)
Fresh charging
(times)
0 ~ 6
6 ~ 12
over 12
5. Batteries are preferably charged by
current showed in Table 2. Keep vent
plugs removed during charging.
< Table 2 >
TYPE
Volt (V)
Number of
plate per
cell
Capacity
at
20H.R
(A.H.)
Volume of
Electrolyte
(
)
Normal
Charging
Rate(A)
N70ZL 75D26L
PT80 -
34FR
12
15
70
4.7
7
12
13
65
4.2
7
12
-
100
5.4
5 ~ 10
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