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Komatsu D37EX-21 - Check Window Washer Fluid Level, Add Fluid; Replace Wiper Blade

Komatsu D37EX-21
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MAINTENANCE SERVICE PROCEDURE
4-33
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID 4
(Machines equipped with cab)
Do this when no more window washer fluid is sprayed out.
Open cover (1), check the level of the fluid in window washer
tank (2), and if it is low, add automobile window washer fluid.
When adding fluid, be careful not to let any dirt or dust get in.
PROPORTION FOR MIXING FLUID WITH 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), so select according to the area and season.
REPLACE WIPER BLADE 4
(Machines equipped with cab)
If the blade is damaged, it will not wipe the window clean, so
replace the blade.
REPLACEMENT
1. Remove screw (1), then remove the blade.
2. Install a new blade, then tighten screw (1) securely.
Area, season Proportions Freezing temperature
Normal Washer fluid 1/3: water 2/3 -10°C
Winter in cold area Washer fluid 1/2 : water 1/2 -20°C
Winter in extremely cold area Pure washer fluid -30°C

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