Injection Nozzle - Kubota Z400-B Handbuch

[2] INJECTION NOZZLE
C0l9F032
Delivery Valves Fuel Tightness
1. Install the pressure tester (See page 5·53) to the fuel in ­
jection pump.
2.
With the speed control lever at the maximum position of
the fuel injection, rotate the flywheel to raise the fuel
pressure to 21.57 MPa (220 kgf/cm 2 , 3129 psi).
3. Measure the falling time of the fuel pressure from 21.57 to
20.59 MPa (from 220 to 210 kgf/cm2, from 3129 to 2987
psi).
4. If the measurement is less than the allowable limit, replace
the injection pump assembly.
A
CAUTION
• Never to contact with spraying diesel fuel under pressure,
which can have sufficient force to penetrate the skin,
causing serious personal injury.
• Be sure nobody is in the direction of the spray.
Fuel Injection Pressure
1. Set the injection nozzle to the nozzle tester.
2. Measure the injection pressure.
3. If the measurement is not within the specified values,
replace the adjusting washer in the nozzle holder to
adjust it.
13.73 to 14.71 MPa
Fuel injection Factory
140
to
150
kgf/cm
Z
pressure specification
1991
to
2133
psi
(Reference)
• Adjusting washer:
Assembly Code No. 15841-98101
(includes 43 sizes below)
Adjusting washer
~-~-------~~---~-
Thickness mm
(In.) Code Number
II
Adjusting washer :
Thickness mm (in.) Code Number
Rondelle. de rf:iglage Epaisseur mm
Reference ,: Rondelle de reglage Epaisseur mm Reference
Stellscheiben Starke mm
Kenn.Nr.
'I
:' Stellscheiben
Starke mm
Kenn.Nr.
0900 0.900 (0.03543) 15841-98501 1200 1.200 (0.04724) 15841-98621
0925 0.925 (0.03642) 15841-98511 1225 1.225 (0.04823) 15841·98631
0950 0.950 (0.03740) 15841·98521 1250 1.250 (0.04921) 15841·98641
0975 0.975 (0.03839) 15841-98531 1275 1.275 (0.05020)
15841 -98651
1000
1.000 (0.03937) 1 5841
~98541
1300 1.300 (0.051181 1 5841 -98661
1025 1.025 (0.04035)
15841-98551 1325 1.325 (0.05217)
15841-98671
1050 1.050 (0.04134)
i
15841·98561 1350 1.350 (0.05315)
15841-98681
1075 1.075 (0.04232) 15841-98571 1375 1.375 (0.05413)
15841·98691
1100 1.100 (0.04331i
15841-98581 1400 1.400 (0.05512)
15841·98701
1125 1.125 (0.04429)
15841-98591 1425
1.425 (0.05610) 15841-98711
1150 1.150 (0.04528)
I
15841-98601
1450
I
1.450 (0.05709) 15841-98721
I 1175
1.175 (O.?4626)----L
15841·98611 1475 1.475 (0.05807)
15841·98731
5-123