Scv Free Acceleration Test - Hino Motors HINO 155 series Workshop Manual

SCV FREE ACCELERATION TEST

1
Test method
ENGINE (J05E)/TROUBLESHOOTING
<Engine speed pattern>
1. After engine has reached operating temperature (more than 82 C
{179.6 F}).
2. After air compressor completed building pressure.
3. A/C, Head lights off.
4. All devices off. (PTO, Refrigeration compressor. etc)
5. Control the engine revolution by means of operating Cruise Control
system.
Engine speed pattern
2000 r/min
1500 r/min
1000 r/min
750r/min
Time
<Acceleration pattern>
1. After engine has reached operating temperature (more than 82 C
{179.6 F}).
2. After air compressor completed building pressure.
3. A/C, Head lights off.
4. All devices off. (PTO, Refrigeration compressor. etc)
5. Check that actual common rail pressure following target.
Acceleration pattern
At least three times, repeating the Wide-Open Throttle
100%
20sec 20sec
0%
- Measure each engine
2500 r/min
speed for 20 seconds.
Time
2–477
SHTS021270300439
SHTS021270300440