TEST OIL: ISO 4113 or SAE J967d
INJECTION PUMP CALIBRATION DATA CONFIDENTIAL
ENGINE MODEL:
4JB1A
Injection pump no.: 104641-1011 [ NP-VE 4/11F1800RNP251
Assy no.: Date: Company: No.
]
Pump rotation: clockwise - viewed from drive side
1/2
104741-1030 23 Nov 2004 ISUZU 8 94153 194 0
0
Refer to the service ser vice manual (VE pump B.I.S.: Publication Publication No. EE14E-11042) for all procedures and details other than the following.
1. Test conditions condit ions 1-1 Nozzle: 105780-0000 (NP-DN12SD12T) 1-2 Nozzle holder: 105780-2080 (EF8511/9) 1-3 Nozzle opening pressure: 14.7 +0.5 MPa {150+5 kgf/cm2} Pump speed (r/min)
2. Setting 2-1 2-2 2-3 2-4 2-5 2-6 2-7
Full load delivery Full load delivery Supply pump pressure Timing device travel Idle speed regulation (Full lever) Start Full-load speed regulation
1-4 Injection pipe: ø2×ø6×840mm +5 1-5 Fuel oil temperature: 45 °C 2 1-6 Supply pump pressure: 20kPa {0.2kgf/cm } Charge air pressure kPa {mmHg}
Settings
Difference in delivery (cm3)
(cm3 /1,000st /1,000st)) 3 (cm /1,000st /1,000st)) ± ± 520 20 {5.3 0.2} kPa {kgf/cm2} 1.9±0.2 (mm) 3 9.0±2.0 (cm /1,000st /1,000st)) 3 ± 95.0 20.0 (cm /1,000st /1,000st)) 12.7±3.1 (cm3 /1,000st /1,000st))
1,000
44.6±0.5
1,550 1,550 390 100 2,100
3. Test specications
Solenoid Timer
ON
3-1 Timing device
N = r/min mm
730±100 730±100 0.5
3-2 Supply pump
N = r/min 2 kPa {kgf/cm }
3-3 Overflow delivery
N = r/min cm3 /min
3.5
2.0 3.5
OFF 1,440±50 1,440±50 0.5
1,550 1.9±0.3
1,850 5.7±0.4
1,000 314±29 314±29 {3.2±0.3} {3.2±0.3}
1,550 520±20 520±20 {5.3±0.2} {5.3±0.2}
1,850 618±29 618±29 {6.3±0.3} {6.3±0.3}
1,550 530±13 530 ±130 0
3-4 Fuel injection quantities Speed control lever position Maximum speed
Pump speed (r/min) 1,000 700 1,350 1,700 2,100 2,300
Fuel delivery 3 (cm /1,000st /1,000st))
Charge air pressure kPa { mmHg }
44.6±1.0 36.6±2.0 47.5±2.0 47.3±2.5 12.8±3.5 Below 7.0
4. Dimensions K KF MS BCS Pre-stroke
2.8±0.1 5.0±0.1 1.0±0.1 0.45±0.02
mm mm mm mm mm
Control lever angle
Magnet valve switch OFF
390
Idling
390 550
3-5 Solenoid
0 (Idle) 9.0±2.0 Below 3.0
α
18.0±4.0
(°)
β
35.0±5.0
(°)
γ
-
(°)
Maximum cut-in voltage: voltage: 8 V, Test voltage: 12 - 14 V BOSCH K.K. Sales Automotive Aftermarket Division
3-4-1 Kitano, Niiza-shi, Saitama-ken, 352-8572, JAPAN Tel. 81-48-4 75-2521
Fax. 81-48-47 5-2520
