3640E Operator Manual

MAINTENANCE
33
3640E 330569 (01--00)
Using a hydrometer, measure the specific gravity
to determine the charge level and condition of the
batteries. If one or more of the battery cells test
lower than the other battery cells (0.050 or more),
the cell is damaged, shorted, or is near failure.
Completely recharge the batteries, then retest
them.
NOTE: Do not take readings immediately after
adding distilled water . If the water and acid are not
thoroughly mixed, the readings may not be
accurate. Check the hydrometer readings against
the following chart to determine the remaining
battery charge level:
SPECIFIC GRAVITY
at 27_ C(80_F)
BATTERY
CHARGE
1.280 100% Charged
1.230 75% Charged
1.190 50% Charged
1.150 25% Charged
1.110 Discharged
CHARGING THE BATTERIES
1. Drive the machine to a flat, dry surface.
NOTE: Make sure the area is well ventilated.
2. Turn the machine power off.
FOR SAFETY: Before leaving or
servicing machine, stop on level
surface, turn off machine, and remove
key.
3. Move the directional control lever into the
PARK position.
4. Lift the battery compartment cover to access
the batteries. The support arm automatically
engages when the cover is lifted all the way
up.
0
4
380
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