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Isuzu NPR 4J Series - Page 310

Isuzu NPR 4J Series
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ENGINE FUEL 6C - 51
Adjustment specification of timer and
pump case pressure
Pump
rotation
(rpm)
Timer
piston
stroke (mm)
At pressure
of pump
(MPa (kg/cm
2
))
Remarks
500 0.5
1000 3.1±0.2
0.402±0.029
(4.1±0.3)
Standard
1440 5.3±0.4
1950 7.8
+
0.4
0.3
+
0.8
0.4
Adjustment specification of injection
volume
Pump
rotation
(rpm)
Average
injection
quantity
(mm
3
/ST)
Uneven
amplitude
(mm
3
/ST)
Oil
temperature
(°C)
Remarks
500 (53.7) 48±2
1000 56.0±1.0 3.5 50±2 Standard
1440 (53.3) 50±2
1800 (54.3) 50±2
2100 19.6±3.0 5.5 52±2
360 13.2±2.0 2.0 48±2
100 (80 - 120) 48±2
Engine ; 4JG2 (For ’91/542A) (Belt drive)
Injection pump identification No. ; 104746-1211
Injection volume adjustment
Timer adjustment
Cold start device adjustment
F06LV027.tif
F06LV028.tif
F06LV029.tif
F06LV004.tif

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