Cab Interior SY75C Excavator OMM
3-12 Operation and Maintenance Manual — 0220 SANY
Key Switch
Key switch (a) is used to activate the following functions:
• OFF - This position allows you to insert and
remove the key. The engine is shut down (or
remains off) and there is no electrical current to any
of the electrical system switches (except for work
lamps).
• HEAT - Hold the key at this position to preheat the
engine for cold-weather starting as required. The
key returns to the OFF position when released.
• ON - This position allows the engine to remain
running (if already started) and also allows
electrical current to all of the various electrical
system switches.
• START - Hold the key at this position to start the engine, then immediately release it after the engine has
started. The key returns to the ON position when released.
Throttle Control Dial
Throttle control dial (b) is used to adjust engine speed and output power. Turn the dial clockwise to increase speed
and counterclockwise to decrease speed.
•Low Idle (MIN): Turn it counterclockwise to the end.
•Full Speed (MAX): Turn it clockwise to the end.
Dozer Blade Control
Dozer blade control (c) is a lever located on the right console. Push the lever forward to lower the dozer blade. Pull
the lever backwards to raise the dozer blade.
Work Lamp Switch
Switch (d) is used to turn the work (boom and chassis) lamps on/off.
Except for emergencies, never shut off the engine while it is running at high speed. Stopping
the engine at high speed can cause damage to the machine or cause the machine to run
improperly.
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