Komatsu PW160-7K Series, Operation And Maintenance Manual

Page: 267 / 358

MAINTENANCE SERVICE PROCEDURE
267
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID
If there is air in the window washer fluid, check the level of the
fluid in window washer tank (1). Add automobile 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
Since the ratio should be varied depending on atmospheric tem-
perature, replenish washer fluid at the following mixture ratio, tak-
ing temperature into account.
Pure washer fluid comes in two types: for -10ºC (for general use)
and for -30ºC (cold regions).
Use pure washer fluid according to operation area and season.
1
Operation area and season Mixture ratio Freezing temperature
Normal Pure washer fluid 1/3: water 2/3 - 10ºC
Winter in cold region Pure washer fluid 1/2: water 1/2 - 20ºC
Winter in extremely cold region Pure washer fluid - 30ºC