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* How to use the hydrometer:
(1) Fit the tube into the hole in the element containing
the fluid, press teh pump, release it and let the fluid
flow.
(2) Allow the hydrometer to float without touching the
external tube, or top or bottom, and when the
bubbles in the fluid disappear, read the highest
value of the scale on the fluid's surface, as shown in
the figure.
(3) After the measurement, carefully wash the inside
and outside of the hydrometer with water and put it
away after drying with a clean cloth.
4. Insulation resistance measurement
Measure the resistance between battery and battery
case with an insulation resistance meter
(megohmmeter).
Insulation resistance .... 1 MΩ or more
Note:
When the insulation resistance is less than 1 MΩ, wash
the battery with water after removing it from the
vehicle.
Fully dry the washed battery and measure the
insulation resistance again. Install the battery on the
vehicle after confirming that the insulation resistance
is 1 MΩ or more.
* Battery control table
Prepare a control table for each battery to record and maintain the inspection results.
Rubber
bulb
Hydrometer
Out tube
Nozzle
Date and time
inspection
Inspection number
Density
electrolyte
Temperature
electrolyte
Quantity
added water
Notes
Inspector
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