Hino Motors HINO 155 series Workshop Manual page 528

2–492
12
Inspect the injector
NE Rotational fluctuation
@1,500 r/min (measurement by HINO-DX II)
Do the measurements meet the standard value?
(Both the injection quantity and the rotational fluctuation are within the standard values)
Go to step 13.
ENGINE (J05E)/TROUBLESHOOTING
Check the injection quantity and the rotational fluctuation.
1. Start the engine
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2. Select [Injection quantity] from the [Data monitor and Active test]
and measure the amount of fuel injection.
3. Select [Engine revolution] from the [Data monitor and Active test]
and measure the rotational fluctuation.
Engine speed: 1,500 r/min No-load,
T/M shift lever: Neutral position,
A/C off and Air compressor un-operating.
Engine coolant temperature: more than 80 C {176 F}
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YES
Measurement conditions
Standard values
Type of
AT
Replace the injector.
Perform "After-inspection work" of INFOR-
MATION section.
3
Q (mm /st)
5.0q
NO