Mitsubishi 4DQ50 Service Manual page 11

In the case of pressure
type
radiator, don't screw off its cap just after the engine
stopped, lest you should get burnt by outblow of high-temperature steam.
3) Fuel
Check fuel level.
If fuel tank is equipped with fuel feed cock, make sure that it is open. At starting
after long leaving idle, or when air seems to be in fuel system, practise bleeding (or
priming).
(Refer to "Bleeding".)
(Mechanical governor)
'pneumatic governor)
Fig. 1-2 Around Venturi lever
Fig. 1-3 Around-Stop lever
4.)
Power source
Make sure that battery switch and battery terminals are on.
Now check as follows and proceed to starting,
1) That the engine is clutched off or free from load.
2) That stop lever is not in "stop" position.
3) That venturi lever is in "full-open" position (for pneumatic governor use)
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