Komatsu PC2000-8 BACKHOE, Operation & Maintenance Manual

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MAINTENANCE
MAINTENANCE PROCEDURE
4-41
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID 4
If there is air in the window washer fluid, check the level of the
fluid in window washer tank (1)Add ethyl alcohol window
washer fluid if necessary.
When adding fluid, be careful not to let any dust get in.
Mixture Ratio of Pure Washer Fluid and Water
The proportion differs according to the ambient temperature, so dilute the washer fluid with water to the following
proportions before adding.
There are two types depending on the freezing temperature:
-10°C (general use) and -30°C (cold area use), select according to the area and season.
Operation area
and season
Mixture ratio Freezing temperature
Normal Pure washer fluid 1/3: water 2/3 - 10°C
Winter in cold region Pure washer fluid 1/2: water 1/2 - 20°C
Winter in extremely cold region Pure washer fluid - 30°C