Check Points Of Every 1500 Hours - Linhai LH1100U-D Service Manual

05-E4B, 05-E4BG SERIES, WSM

[11] CHECK POINTS OF EVERY 1500 HOURS

CAUTION
• Check the injection pressure and condition after you make sure that there is nobody standing in the
direction the fume goes.
If the fume from the nozzle directly contacts the human body, cells may be dest oyed and blood poisoning
may be caused.
Nozzle Spraying Condition
1. Set the injection nozzle to a nozzle tester, and check the nozzle
spraying condition.
2. If the spraying condition is damaged, replace the nozzle piece.
(a) Good
Fuel Injection Pressure
1. Set the injection nozzle to a nozzle tester.
2. Slowly move the tester handle to measure the pressure at which
fuel begins jetting out from the nozzle.
3. If the measurement is not within the factory specifications,
replace the adjusting washer in the nozzle holder to adjust it.
Fuel injection pressure Factory specification
Valve Seat Tightness
1. Set the injection nozzle to a nozzle tester.
2. Raise the fuel pressure, and keep at 12.75 MPa (130 kgf/cm
1849 psi) for 10 seconds.
3. If any fuel leak is found, replace the nozzle piece.
Valve seat tightness Factory specification
G-22
GENERAL
9Y1210784GEG0028US0
(b) Bad
9Y1210784GEG0029US0
13.73 to 14.70 MPa
140.0 to 150.0 kgf/cm
1992 to 2133 psi
9Y1210784GEG0030US0
No fuel leak at
12.75 MPa
2
130.0 kgf/cm
1849 psi
9Y1210784GEG0031US0
KiSC issued 03, 2019 A
2
2
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