Operation and maintenance manual

Inspection, Maintenance and Adjustment
4-65
DX140R/DX140LCR
AIR-CONDITIONING SYSTEM
NOTE: See "Clean Air-Conditioning Outer Filter" on
page 4-39.
Check Control Panel
When a function switch is pushed, the last setting has to be
displayed on the LCD display.
When the light switch is turned to "I" position, the LED
for
illumination in the control panel has to turn "ON".
Check Air Conditioner Hoses
Check the hose for cracking and damage.
Check Condenser
Inspect the condenser for dust and debris. Clean if necessary.
NOTE: See "Clean Radiator, Oil Cooler, Intercooler, Fuel
Cooler and Air Conditioner Co
ndenser Core" on
page 4-41.
Check Magnetic Clutch
Check the magnetic clutch for dirt and interference.
Push the "A/C" switch to energize magn
etic clutch and check the
magnetic clutch.
Check Belt Tension
NOTE: See "Check Engine Fan Belt Tension" on page 4-33.
CAUTION
AVOID INJURY
When a leak occurs, dirt will accumulate in the area where
the le
ak is. Consult a DOOSAN distributor or sales agency.