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Check electrolyte specific gravity
CAUTION: Battery gas can explode. Keep sparks
and flames away from batteries. Use a flashlight
to check the battery electrolyte level.
Sulfuric acid in battery electrolyte is poisonous. It
is strong enough to burn skin, eat holes in cloth-
ing, and cause blindness if splashed into the
eyes.
Never check the battery charge by placing a
metal object across the posts. Use a voltmeter or
hydrometer.
Always remove the grounded ( ) battery clamp
first and replace it last.
Avoid hazard by:
1. Filling batteries in a well-ventilated area.
2. Wearing eye protection and rubber gloves.
3. Avoiding breathing fumes when electrolyte is
added.
4. Avoiding spilling or dripping electrolyte.
5. Using proper booster battery starting proce-
dures.
104°F
68°F
Fluid temp.
32°F
–4°F
–40°F
MAINTENANCE
Recommended range of specific gravity by electrolyte temperature
40°C
20°C
0°C
–20°C
–40°C
1.21
1.22
If you spill acid on yourself:
1. Flush your skin with water.
2. Apply baking soda or lime to help neu-
tralize the acid.
3. If splashed in eyes, flush with water for
10 to 15 minutes. Get medical attention
immediately.
If acid is swallowed:
1. Drink large amounts of water or milk.
2. Then drink milk of magnesia, beaten
eggs, or vegetable oil.
3. Get medical attention immediately.
IMPORTANT: Check the specific gravity of the
Check the electrolyte specific gravity in each bat-
tery cell.
The lowest limit of the specific gravity for the elec-
trolyte varies depending on electrolyte tempera-
ture. The specific gravity should be kept within the
range shown below. Charge the battery if the spe-
cific gravity is below the limit.
Working range
1.23
1.24
1.25
1.26
Specific gravity of battery fluid
7-59
electrolyte after it is cooled, not
immediately after operation.
1.27
1.28
1.29
1.30
1.31
1.32
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