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Periodically clean vent holes in plugs, check the electrolyte
level and, if required, add distilled water.
Check the electrolyte level in each battery cell on a cold
battery and if necessary, add distilled water up to the lower end
of the filler hole tube.
Before operation, depending on the climatic condition under
which the automobile is to be employed, correct the electrolyte
specific gravity.
New automobiles delivered from the manufacturing plant are
furnished with the storage batteries filled with electrolyte of the
same specific gravity equal to 1.27 g/cm
3
.
The battery discharged by more than 25% in winter and
more than 50% in summer is to be charged.
Specific gravity of electrolyte reduced to 25 °C, g/cm
3
Fully charged battery Battery discharged by
25% 50%
1.30 1.26 1.22
1.28 1.24 1.20
1.27 1.23 1.19
1.26 1.22 1.18
1.23 1.19 1.15
Do not allow discharging the battery under a heavy load
current for a prolonged period of time (when starting cold
engine in winter) because it could provoke curling of electrodes,
falling-out of active material and reduces service life of the
storage battery.
Carefully prepare the engine for starting and switch on the
starter for 5 s maximum.
Cut off the battery by means of the ground switch if the
automobile is to be removed from operation for a prolonged
period of time.
Maintenance of the Starter
Before removing the starter for servicing open the battery
switch.
Periodically clean the starter of dirt, visually check the starter
for proper attachment to the clutch housing.
Check the condition of terminals, working surfaces of
contacts, remove caking with a fine cut file, then wipe them with
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