Yanmar 1GM10 Operation Manual page 22

PRODUCT OVERVIEW
Gauges
Instrument
Tachometer
Hour Meter
Instrument Panel Lights
Key Switch
When the key is in the OFF position
(Figure 8, (1)) the electric current is off. The
key can be inserted or removed in this
position.
( 1 )
OFF ON
Figure 8
1 – OFF Position
2 – ON Position
The ON position (Figure 8, (2)) allows
electrical current to the controls and
equipment and allows the engine to keep
running. To stop the engine, keep the key
switch in the ON position and pull the engine
stop knob. After stopping the engine, turn
the key to the OFF position.
16
Function
Shows the engine rotation speed
Shows the number of operating hours; can be used as a guide
for periodic maintenance checks. The hour meter is located at
the bottom of the tachometer.
When turning the key switch to ON, the gauges will illuminate for
easier viewing.
( 2 )
0005847
© 2007 Yanmar Marine International
Engine Decompression Lever
The engine decompression lever
(Figure 9, (3)) releases cylinder pressure
to aid in manual starting.
(2)
(1)
Figure 9
1 – RUN Position
2 – Decompression Position
3 – Decompression Lever
Raising the decompression lever to the
decompression position (Figure 9, (2))
opens the exhaust valve and makes hand
cranking of the engine possible. Returning
the lever to its RUN position (DOWN)
(Figure 9, (1)) closes the exhaust valve and
normal engine operation can resume.
GM Series Operation Manual
(3)
0005838