Yuchai YC25-8, User Manual

Page: 186 / 205

Hydraulic Digger
5-56
Air-condition (If the machine have)
The main makeup of the air-condition as the following picture. The
operation switch in the plane of the control box.
About the operation and the maintenance of the air-condition,
please see the user manual and the air-condition user manual.
1. Caution items of the air-condition maintenance
1) If the air-condition assembly has the dust screen. The dust
screen must clean often. Otherwise, the dust will stop the
dust screen and make the air not thought the heat exchanger
2) It should close the water warming valve, when it uses the
refrigeration system in summer and use the draft system in
spring and autumn. When it use the warming-up system, it
should open the water warming and turn the air-condition’s
switch to “OFF”
3) The core of the caliduct connect to the water tank of the
engine, if the core leaks, it will lead the water of the water
tank lack, and make the engine overheat. In winter, it same to
protect core not freeze as the water tank. Avoid the coolant