Maeda MC305C-3 - Cold Temperature Preparation

M A E D A Mini-Crawler Crane Section 5 – COLD TEMPERATURE PREPARATION
3/2019 MC305C-3 5-75
COLD TEMPERATURE
PREPARATION
When the temperature goes down, the machine
starts to have some difficulty in starting. Take the
following actions.
Lubrication
Change the oil to the one with low viscosity. See
"LUBRICATING OIL" on page 5-14 for the
specified viscosity.
Coolant
WARNING! 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.
For more information on the coolant replacement
period and mixing rate of antifreezing fluid, see
"Coolant Replacement and Internal Cleaning" on
page 5-49.
Battery
WARNING!
• 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.
NOTICE: 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