Information injection-pump assembly
BOSCH
9 400 612 586
9400612586
ZEXEL
107492-1083
1074921083
ISUZU
8972121821
8972121821
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FridayParts Fuel Injection Pump 897212-1820 8972121820 8972121821 8972121822 Compatible for Isuzu Engine 4HE1 Truck NPR-HD NQR
FP FRIDAYPARTS Part Number:897212-1820, 897212-1821, 897212-1822, 8972121820, 8972121821, 8972121822, 8-97212-182-0, 8-97212-182-1, 8-97212-182-2, 107492-1080, 1074921080 || Part Number:107492-1081, 1074921081, 107492-1082, 1074921082, 107492-1083, 1074921083, 107492-1084, 1074921084, 107049-2080, 1070492080, 9 400 612 584, 9400612584 || Compatible for Isuzu Engine 4HE1 Truck NPR-HD NQR || Please verify your part number before ordering, if you have any question please don't hesitate to contact us
FP FRIDAYPARTS Part Number:897212-1820, 897212-1821, 897212-1822, 8972121820, 8972121821, 8972121822, 8-97212-182-0, 8-97212-182-1, 8-97212-182-2, 107492-1080, 1074921080 || Part Number:107492-1081, 1074921081, 107492-1082, 1074921082, 107492-1083, 1074921083, 107492-1084, 1074921084, 107049-2080, 1070492080, 9 400 612 584, 9400612584 || Compatible for Isuzu Engine 4HE1 Truck NPR-HD NQR || Please verify your part number before ordering, if you have any question please don't hesitate to contact us
Service parts 107492-1083 INJECTION-PUMP ASSEMBLY:
1.
_
5.
AUTOM. ADVANCE MECHANIS
6.
COUPLING PLATE
9.
_
11.
Nozzle and Holder
8-97148-960-1
12.
Open Pre:MPa(Kqf/cm2)
21.6{220}
14.
NOZZLE
15.
NOZZLE SET
Include in #1:
107492-1083
as INJECTION-PUMP ASSEMBLY
Cross reference number
Zexel num
Bosch num
Firm num
Name
9 400 612 586
8972121821 ISUZU
INJECTION-PUMP ASSEMBLY
4HE1-X * K 14CH TICS MI-TI4 TICS
4HE1-X * K 14CH TICS MI-TI4 TICS
Information:
Table 2
Specifications for Pressure Loss
Direct Injection Fuel Systems
Nozzle pressure must not drop below a gauge reading of
3450 kPa (500 psi) during a 5 second time interval.
Nozzle pressure must drop below a gauge reading of
1380 kPa (200 psi) after an additional 25 second time interval. (1)
( 1 ) A gauge reading of 0 kPa (0 psi) is acceptable after the first 5 second time interval has elapsed.
Illustration 3 g00923167
If the fuel nozzle is not within specifications, stop the test and do not use the fuel nozzle.Valve Opening Pressure Test
Slowly increase the pressure until fluid begins to flow from the tip of the fuel nozzle. Record this pressure as the VOP of the fuel nozzle.
Compare the test results to the specifications for the type of fuel nozzle that is being tested. Refer to Table 3, or Table 4.For precombustion chamber fuel systems, use these specifications:
Table 3
Specifications for Valve Opening Pressure
Precombustion Chamber Fuel Systems
2760 to 5170 kPa (400 to 750 psi)
Illustration 4 g00934108
If the VOP is not within specifications, stop the test and do not use the fuel nozzle.For direct injection fuel systems, use these specifications:
Table 4
Specifications for Valve Opening Pressure
Direct Injection Fuel Systems
16500 to 21400 kPa (2400 to 3100 psi)
Illustration 5 g00923174
If the VOP is not within specifications, stop the test and do not use the fuel nozzle.Tip Leakage Test (Direct Injection Fuel Systems)
Note: Fuel nozzles for precombustion chamber fuel systems can not be tested for tip leakage accurately. Do not perform this test on fuel nozzles for a precombustion