Yanmar 1GM, Руководство по эксплуатации

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Check the fuel injection equipment in the following procedure.
3-a)
Remove the starter motor to check the fuel injection timing mark.
Note
"IT" shows No. 1 cylinder which is the cylinder on the flywheel side and not the timing gear
case side.
3-b)
Remove the high pressure pipe from the fuel injection pump.
3-c)
Pull the engine warm up knob out and place the control lever in the "half speed" position.
3-d)
Rotate the engine to check the fuel injection timing. At the same time the arrow timing mark
on the cylinder block and flywheel should line-up, and fuel should bubble out of the delivery
valve of the fuel injection pump.
High Pressure Pipe
Note
Cranking for 3HM model, attach two M8 bolts at the crankshaft pulley as the figure below.
3-e)
Check the fuel injection timing for all of the cylinders.
Proper injection timing
Degree (BTDC) 1GM 2GM 3GMD 3HM
15±1 18±1 21±1