2. Measure
the
voltage
with a circuit tester between
the battery terminals.
Battery voltage
Service specifi-
cation
More than 12 V
(1) Positive terminal (2) Negative terminal
NOTE
• If the battery
voltage is less than the service
specification, check the battery specific
gravity and charge the battery.
4.17 Checking battery specific
gravity
CAUTION
• To prevent
an accidental short circuit, attach
the positive cable to the positive terminal before
the negative cable is attached to the negative
terminal.
• Do not remove the battery cap while the engine
operates.
• Keep electrolyte away from eyes, hands and
clothes.
If you are spattered with it, clean with water
immediately.
• Keep open sparks and flames away from the
battery at all times.
Hydrogen gas mixed with oxygen becomes very
explosive.
• If battery acid (dilute sulfuric acid) gets on you,
it could cause blindness or burns, or could
cause corrosion of machinery and tools so
please be careful when handling.
• Wear safety glasses and rubber gloves when
performing battery maintenance and inspection
(measuring specific gravity, filling water, or
charging).
• If the gas that is generated is ignited by an
ignition source, it may explode so be very
careful with sparks and fire.
• Keep
your body and face as far away from the
battery
as
you can when performing
maintenance and inspection.
• Do not allow people who do not know how to
handle a battery or who do not sufficiently
understand the danger perform inspection or
maintenance.
IMPORTANT
• Do not disconnect
or remove the battery when
you operate engine.
Tools required
• Battery / coolant tester
Zero adjustment
1. Open the cover and drip water on the prism surface
using the included rod.
2. Close the cover.
3. Aim in a direction that is bright, look into the lens,
and adjust the focus until the gradations can be
seen clearly.
4. If the boundary line is not on the gradation baseline
(0 position), turn the adjustment screw until it
matches.
5. When zero adjustment is complete, wipe the prism
and cover surface with a soft cloth or tissue paper.
Measurement of test field
1. Open the cover and drip test fluid on the prism
surface using the included rod.
2. Close the cover.
3. Aim in a direction that is bright, look into the lens
and read the gradation of the blue boundary line.
4. When the measurement is complete, wipe the
prism and cover surface with a soft cloth or tissue
paper.
NOTE
• Electrolyte specific gravity
and amount of
discharge.
Use the following table as a reference.
4. ENGINE
SERVICING
4. Checking and adjusting
05-E4B SERIES,05-E4BG SERIES
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