2-9
Chapter 2 SERVICE DATA
1.3 Maintenance Service Data of Fuel System
Unit: mm [in.]
Item Nominal value Standard value Limit value Remarks
Fuel injection
nozzle
Free length of nozzle
spring
P/N:37561-26400
30
[1.18]
P/N:48726-00402
26.8
[1.055]
Squareness of nozzle
spring
P/N:37561-26400 0.6 [0.0236] or less
P/N:48726-00402 1.25°or less
Nozzle spring
parallelism of top and
bottom surfaces
P/N:37561-26400 0.1 [0.004] or less
P/N:48726-00402 0.65°or less
Fuel injection starting
pressure
P/N:
37760-14001
37760-22001
30.40 MPa
{310 kgf/cm
2
}
[4267 psi]
30.40 to 30.89 MPa
{310 to 315 kgf/cm
2
}
[4409 to 4480 psi]
(the value when it is new)
P/N: 37560-32000
34.32 MPa
{350 kgf/cm
2
}
[4978 psi]
33.83 to 35.79 MPa
{345 to 365 kgf/cm
2
}
[4907 to 5192 psi]
(the value when it is new)
P/N:
37561-44000
37860-06000
37560-35000
37560-39000
37560-22010
34.32 MPa
{350 kgf/cm
2
}
[4978 psi]
34.32 to 34.81 MPa
{350 to 355 kgf/cm
2
}
[4978 to 5049 psi]
(the value when it is new)
Orifice cone angle
P/N:
37561-44000 ("K" mark)
155°
P/N:
37860-06000 ("XX" mark)
37760-14001 ("SS" mark)
37760-22001 ("RS" mark)
158°
P/N:
37560-35000 ("M" mark)
37560-37000 ("F" mark)
37560-39000 ("H" mark)
37560-32000 ("N" mark)
37560-22010 ("N" mark)
160°
Orifice diameter
P/N:
37760-14001 ("SS" mark)
ø0.26
[0.012]
P/NP/N:
37860-06000 ("XX" mark)
ø0.27
[0.0106]
P/N:
37560-35000 ("M" mark)
37760-22001 ("RS" mark)
ø0.29
[0.0114]
P/N:
37560-32000 ("N" mark)
37561-44000 ("K" mark)
37560-22010 ("N" mark)
ø0.31
[0.0122]
P/N:
37560-39000 ("H" mark)
ø0.325
[0.0128]
P/N:
37560-37000 ("F" mark)
ø0.35
[0.0138]
Number of orifices
P/N:
37760-14001 ("SS" mark)
37760-22001 ("RS" mark)
9
P/N:
37860-06000 ("XX" mark)
37560-35000 ("M" mark)
37560-32000 ("N" mark)
37561-44000 ("K" mark)
37560-22010 ("N" mark)
37560-39000 ("H" mark)
37560-41000 ("P" mark)
37560-37000 ("F" mark)
10
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