Kubota D662-E - Fuel System; Checking and Adjusting; [I] Injection Nozzle

S.4 FUEL SYSTEM
68 mm STROKE SERIES WSM, 01 160
E! FUEL SYSTEM
CHECKING AND ADJUSTING
[I] INJECTION NOZZLE
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 destoroyed and blood
poisoning may be caused.
Nozzle Spraying Condition
1. Set the injection nozzle to a nozzle tester, and
2. If the spraying condition is defective, replace the
[a] Good
Ibl Bad
check the nozzle spraying condition.
nozzle piece.
I C019F038
I
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
(4) in
the nozzle holder to adjust
it.
1
EO1 9F032
C095F145
13.73to 14.71 MPa
140 to 150 kgfkmz
1991 to2133 psi
Fuel injection
pressure
(Ref e rence)
m Adjusting washer is provided every 0.025 mm
(0.00098 in.) of thickness from 0.900 mm (0.03543
in.) to 1.950 mm
(0.07677 in.). [Adjusting washer
assembly
: Code No. 15841-98101 J
(1) Fuel Overflow Pipe Nut (6) PushRod
(2) Plain Washer
(7) Distance Piece
(3) Nozzle Holder
(8) Nozzle Piece
(4) Adjusting Washer (9) Nozzle Retaining Nut
(5) Nozzle Spring
5-121