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4.2 Operating and Driving
1. Starting the Engine
A. Preparations for the starting
(1) Perform daily inspection and service (see chapter 6 for details). Remove all troubles discovered.
(2) Put the shifting levers at the “neutral” position.
(3) Open the fuel cock on the sediment cup.
(4) Push the fuel feed pump to remove air in the supply system.
(5) Turn the crankshaft a few circles with the crank.
B. Starting procedure
(1) Put the throttle handles at the position of maximum fuel supply.
(2) Insert the key into electric lock, turn it to starting position for about 5 seconds. Then engine will start.
C. Points to be noticed and auxiliary measures for starting.
(1) The key should be turned to the change position after starting the engine.
(2) When it is difficult to start the engine, put the decompressor to the decompression position and key to
the preheating position. After about 10 seconds, the key is turned quickly to the starting position.
After another 5 seconds the decompression mechanism is invalidated and the engine will be started.
(3) For each starting, the electric starter shall not be run over 5 seconds. When the starting failed for the
first time, it can be tried again after the elapse of 2 minutes. When the engine failed to start for 3 times,
the cause shall be investigated and removed.
(4) When the atmospheric temperature is lower than 0°C, the engine will be hard to start. It is
permissible to add hot oil of 75~80°C into the oil sump. Also, hot water of 80~90°C can be added into
the radiator.
D. Operation of the engine after starting.
(1) After starting the engine, immediately return throttle handle to the “Idling” position for a few minutes
(2) After idling, the engine speed is gradually increased to the medium speed range for about 10 seconds.
To warm up the engine, the speed is again increased to 1000~1500r/min.
(3) Only after the water temperature has reached over 60°C, can the engine be permitted to work at full
load.
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