How To Start The Engine - Yanmar 3YM20 Operation Manual

3. OPERATION
(7) Check the Alarm Devices Electric
Operation
When operating the key switch, check
that the alarm devices work normally.
(See 2.5.1 (4))
(8) Prepare Fuel, Lubricating Oil, and
Cooling Fresh Water in Reserve
Always store lubricating oil and cool-
ant water in reserve (for at least one
refill) onboard, to be ready for emer-
gencies.

3.3.2 How to Start the Engine

(1) Start the engine according to the
following procedures:
Electric Operation
1. Open the seacock.
2. Open the fuel cock.
EN
3. Set the remote control lever in NEU-
TRAL.
NOTICE
Safety equipment should make it
impossible to start the engine in
any other position than NEUTRAL
A NEUTRAL
4. Turn on the battery switch.
5. Insert the key into the key switch and
turn the key to ON. If the alarm buzzer
sounds and alarm lamps come on, the
alarm devices are normal.
Note: The coolant high temperature alarm
lamp does not come on. (See 2.5.1.(4))
30
A
6. Turn the key switch to start the engine.
Release the key switch when the en-
gine has started. The alarm buzzer
should stop and the alarm lamps go
out.
A
D
OFF ON
GLOW
A OFF position C START position
B ON position D GLOW position
(2) Starting at low ambient tempera-
ture
If the engine is hard to start in cold
weather (approx. 0°C or below), use
the glow plug for easier starting.
Follow steps 1 to 5 of the above proce-
dure, and then follow the steps below.
Turn the key from the OFF to the
GLOW and stay there for approx. 4 to
5 seconds until the glow plug is heated
up.
Turn the key to the START position.
After the engine starts, release the
key.
NOTICE
Limit the activation of the glow plug
within 10 seconds to one attempt.
Lengthy operation damages the
plug.
(3) Re-starting After Starting Failure
Before turning the key switch again,
be sure to confirm that the engine has
stopped completely. If the engine is
re-started while the engine still has not
stopped, the pinion gear of the starter
motor will be damaged.
B
C
START