Method For Checking Window Washer Fluid Level, Adding Fluid; Method For Checking And Maintenance Air Conditioner - Komatsu PW118MR-11 Operation & Maintenance Manual

Wheeled excavator
Table of Contents

Advertisement

MAINTENANCE

METHOD FOR CHECKING WINDOW WASHER FLUID LEVEL, ADDING FLUID

If air is in the window washer fluid, check the fluid level in window washer tank (1).
1.
Check the fluid level in window washer tank (1).
2.
If the level is low, add window washer fluid for automobile.
Be careful not to let dirt or dust get in when adding fluid.
Mixture ratio of pure washer fluid and water
The proper mixing proportion varies with the ambient temperature. Add washer fluid diluted with water at the
following proportion.
Area, season
Normal
Winter in cold district
Winter in extremely cold district Pure washer fluid
There are 2 types depending on the freezing temperature: -10 °C (general use) and -30 °C (cold district use),
select according to the area and season.

METHOD FOR CHECKING AND MAINTENANCE AIR CONDITIONER

Check and maintenance items
Some maintenance items of the air conditioner need to be inspected periodically and the others are performed
irregularly. Inspect and service the air conditioner according to the following list to use it effectively.
Control
and
maintenance
points
Refrigerant (gas)
Air conditioner condenser
Compressor
V-belt
Blower motor, fan
Control mechanism
Piping connections
Even during the off-season, operate the air conditioner for 3 to 5 minutes once a month to maintain the oil film at
all parts of the compressor.
Mixing proportion
Washer fluid 1/3: water 2/3 -10 °C
Washer fluid 1/2: water 1/2 -20 °C
Content of check and maintenance
Charge quantity
Fins blocked
Operating condition
Damage, tension
Operating conditions (can strange noises be heard?) When required
Operating conditions (is it operating normally?)
Mounting condition, looseness at tightening or con-
necting portions, leakage of gas, damage
WENAM00130
MAINTENANCE PROCEDURE
Freezing temperature
-30 °C
RKA65160
Guideline
for
mainte-
nance interval
Twice a year (spring, au-
tumn)
Every 500 hours
Every 250 hours
When required
When required
4-25

Advertisement

Table of Contents
loading

Table of Contents