MAINTENANCE PROCEDURE 5. Stop the rotation, and check that the rubber shoe is se- curely fitted to the sprocket and idler. 6. Adjust the tension of the rubber shoe. For details, see "4.9.1.h CHECK AND ADJUST RUBBER SHOE TENSION (Machine equipped with rubber shoes)". 7. Check that the track tension is correct and that the rubber shoe is correctly meshed on the sprocket and idler, then lower the machine to the ground. 4.9.1.j CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID (Machine equipped with cab) If there is air in the window washer fluid, check the level of the fluid in window washer tank. Add automobile window washer fluid if necessary.
At this time, take care that dust does not enter the tank. NOTE Open the engine rear cover and cooling cover. For details, see Section "3.2.10 COOLING COVER". 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 (14°F) (general use) and -30°C (-22°F) (cold area use), so select according to the area and season.
191 Area, season Proportions Freezing temperature Normal Washer fluid 1/3 Water 2/3 -10°C (14°F) Winter in cold area Washer fluid 1/2 Water 1/2 -20°C (-4°F) Winter in extremely cold area Pure washer fluid -30°C (-22°F)