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6. HANDLING IN COLD WEATHER
6.1 PREPARING FOR LOW TEMPERATURE
When the temperature goes down, the machine starts to have some difficulty in starting. Take the
following actions.
[1] LUBRICATION
Change the oil to the one with low viscosity. See “Maintenance 5.1 Use of Lubricating Oil According to
Temperature” for the specified viscosity.
[2] COOLING WATER
The antifreezing fluid is inflammable. Do not put the fluid close to fire and do not smoke while
handling the fluid.
Do not smoke when handling the antifreezing fluid.
CAUTION
Never use antifreezing fluid with methanol, ethanol, and propanol.
See “Maintenance 8.10 Maintenance Every 1000 Hours [2] Cleaning Engine Cooling System” for the
cooling water replacement period and mixing rate of antifreezing fluid.
[3] BATTERY
• The battery produces combustible gas and can be explosive. Do not put fire close to the
battery.
• The battery fluid is a harmful substance. Keep it away from your eyes and skin. Should it come
into contact with your eye or skin, wash the affected area with plenty of water and consult a
physician immediately.
The battery capacity drops when the temperature goes down.
In this condition, the battery fluid can freeze with low battery charging rate. Keep the charging rate as
close to as 100 %. Keep the battery warm in order to start the engine next morning.
NOTES
Measure the specific gravity of the battery fluid and convert it into the charging rate using the chart
below.
Fluid Temperature (°C)
20 0 -10 -20
Charging Rate (%)
100 1.28 1.29 1.30 1.31
90 1.26 1.27 1.28 1.29
80 1.24 1.25 1.26 1.27
75 1.23 1.24 1.25 1.26
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