wsm RTV-X1120D Workshop Manual page 132

RTV-X900, RTV-X1120D, WSM
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 destroyed 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 (1) in the nozzle holder to adjust it.
(Reference)
• Pressure variation with 0.025 mm (0.00098 in.) difference of
adjusting washer thickness.
Approx. 590 kPa (6.0 kgf/cm
Fuel injection pressure Factory specification
(1) Adjusting Washer
Nozzle Valve Seat Tightness
1. Set the injection nozzle to a nozzle tester.
2. Raise the fuel pressure, and keep at 12.75 MPa (130.0 kgf/cm
1849 psi) for 10 seconds.
3. If any fuel leak is found, replace the nozzle piece.
Valve seat tightness Factory specification
1-S23
9Y1210946ENS0019US0
(b) Bad
9Y1210946ENS0020US0
2
, 85 psi)
13.73 to 14.70 MPa
140.0 to 150.0 kgf/cm
1992 to 2133 psi
9Y1210946ENS0021US0
No fuel leak at
12.75 MPa
2
130.0 kgf/cm
1849 psi
9Y1210946ENS0022US0
KiSC issued 01, 2014 A
ENGINE
2
2
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