Operation Manual

BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
ENGINE
A CAUTION
• Check
the nozzle injection pressure and condition after confirming 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.
(a)
(b)
3EEABAB 1 P037 A
3TLABAB1 P040A
(1 )
3EEABAB1P171B
Nozzle Spraying Condition
1. Set the injection nozzle to a nozzle tester, and check the nozzle
spraying condition.
2. If the spraying condition is defective, replace the nozzle piece.
(a) Good (b) Bad
W10181310
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 (0.0010 in.) difference of
adjusting washer thickness.
Approx. 588 kPa (6.0
kgf/cm
2
,
85 psi)
13.7 to 14.7 MPa
Fuel injection pressure Factory spec. 140 to 150
kgf/cm
2
1991 to 2134 psi
(1) Adjusting Washer
W10182100
Valve Seat Tightness
1. Set the injection nozzle to a nozzle tester.
2. Raise the fuel pressure, and keep at 12.8 MPa (130 kgf/cm
2
,
1849 psi) for 10 seconds.
3. If any fuel leak is found, replace the nozzle piece.
Valve seat tightness
Factory spec.
No fuel leak at
12.8
MPa
130 kgf/cm
2
1849 psi
W10183690
3TLABAB1 P041A
1-S20