Compression Pressure Test; Nozzle Leak Test; Preparation Of Test - Mitsubishi K3G Manual

(3)

Nozzle leak test

•
Using the nozzle tester,
and maintain to 200"-'2 IO kg/ cm
nozzle tip for fuel leakage.
• Tightening torque of nozzle retaining nut :
3"-'4 kgm
•
Tightening torque to the cylinder head :
2. 0"-'2, 5 kgm
Ill Compression Pressure Test
I .

Preparation of Test

Make sure the following condition before testing,
(I) Engine oil, air cleaner,
are in good condition.
(2) Engine should be warm (coolant temperature :
·c).
above 50
2 . Test
(I) Move the control lever to the stop position.
(2) Remove all glow plugs, Install the compression
gauge adaptor and gauge to the cylinder.
(3) Crank the engine until the gauge reading stops
rising and read the gauge,
(4) After measurement,
gauge and adaptor and install the glow plugs
and glow plug wires.
•
Glow plug tightening torque : I. 5"-'2, 0 kgm
pressurize the nozzle
2
• Check the
starter and battery
remove the compression
-19-
Compression Pressure Measurement
Item
Engine speed
Compression pressure
Difference between cylinders
�
�
0·05
Standard value
270 rpm
2
29 kg/cm
2
3 kg/ cm max.