SUNWARD SWE25UF, Руководство по эксплуатации и техническому обслуживанию

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2
－
Washer switch
This switch turns on and off the water bottle in cabin. When press this button, green lamp turns
on, the burner cap on glazing works; press the button again, the burner stops working.
3
－
heater switch
When press this button, green lamp turns on, heater works, the whole cabin starts to be heated.
4—transfer switch
Up and down switches are used to control dozer blade and the extension and retraction of chassis
separately.
5
－
Caution light switch
When press this button, red lamp turns on, caution light works and start flickering.
6
－
Wane panel
Figure 2-7 is the wane control panel of closed cabin, the simple cabin only applies to
4.
2.6 HEATER
2.6.1 WORK THEORY
High and low port of engine circulating water is connected with inlet and outlet of heater core
separately by hose. Open hot water valve when heating, circulating water (about 90 °C) will flow
into the heater core, open airflow switch, warm air will blow continuously, thus obtaining
heating effect.
2.6.2 INSTALLATION
Heater unit must be firm and not loose
after installation. Wire harness and
hot water tube circuit must be
connected reliably.
2.6.3 OPERATION
Ensure enough space for ventilation.
Do not store flammable or explosive
stuff near the air exit.
Heater work switch
I
－
heater fan rotates at low speed
For the heating system adopts engine cooling water as heat source, it is connected
with water tank, when ambient temperature is lower than 0
° C and engine stops
working, empty water tank or add antifreeze to water tank in order to prevent heater
core crack.
⚫
Be cautious to the operation of heater in warm
weather, because the coolant will circulate in the
heater even after the switch is turned off.
⚫
When the heater is not needed, do as the follows
to stop the circulation of coolant:
Park the machine on a level ground, shut down
the engine, open engine cover, shut down valve
① .
It is recommanded that this system
should be applicated before engine
start-up, otherwise, there may be a
shortage of battery power.