Check Door Latch; Check Window Washer Fluid Level, Add Fluid - Komatsu D31EX -22 Operation & Maintenance Manual

MAINTENANCE

CHECK DOOR LATCH

(Machine equipped with cab)
Hold the door open and check that there is still grease inside the
latch. If the amount of grease is low or there is no more grease,
coat the inside of the latch with grease from portion (1).
REMARK
If there is no more grease inside the latch, the movement will
become poor because of dust inside the latch, and the handle may
be stiff when opening the door.

CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID

(Machine equipped with cab)
Check the window washer fluid level if no window washer fluid is
sprayed out.
Open the hydraulic tank inspection cover, check the level of the
fluid in window washer tanks (1) and (2), and add automobile
window washer fluid if the level is low.
When adding fluid, be careful not to let any 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.
Area, season
Washer fluid 1/3:
Normal
water 2/3
Washer fluid 1/2 :
Winter in cold area
water 1/2
Winter in extremely
Pure washer fluid
cold area
There are two types depending on the freezing temperature:
-10°C (14°F) (general use) and -30°C (-22°F) (cold area use), select according to the area and season.
Proportions Freezing temperature
-10 ° C
(14 ° F)
-20 ° C
(-4 ° F)
-30 ° C
(-22 ° F)
SERVICE PROCEDURE
4 - 41