101401-4680 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014014680 8971006570

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 101401-4680 1014014680

ISUZU 8971006570 8971006570

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Service parts 101401-4680 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 101041-8100

3. GOVERNOR 105931-9230

4. SUPPLY PUMP 105210-5270

5. AUTOM. ADVANCE MECHANIS 105676-5010

6. COUPLING PLATE

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105118-5253

11. Nozzle and Holder 8-97114-015-0

12. Open Pre:MPa(Kqf/cm2) 18.1{185}

13. NOZZLE-HOLDER 105048-3673

14. NOZZLE

105017-1210

15. NOZZLE SET

Include in #1:

101401-4680 as INJECTION-PUMP ASSEMBLY

106672-3461 as _

Cross reference number

ZEXEL 101401-4680 1014014680

ISUZU 8971006570 8971006570

Zexel num

Bosch num

Firm num

Name

101401-4680
101401-4681

8971006570 ISUZU

INJECTION-PUMP ASSEMBLY
4HF1 * K

Calibration Data:

Adjustment conditions

Test oil
1404 Test oil ISO4113 or {SAEJ967d}

Test oil temperature degC 40 40 45

Nozzle and nozzle holder 105780-8140

Bosch type code EF8511/9A

Nozzle 105780-0000

Bosch type code DN12SD12T

Nozzle holder 105780-2080

Bosch type code EF8511/9

Opening pressure MPa 17.2

Opening pressure kgf/cm2 175

Injection pipe
Outer diameter - inner diameter - length (mm) mm 6-2-600

Overflow valve 134424-3920

Overflow valve opening pressure kPa 127 107 147

Overflow valve opening pressure kgf/cm2 1.3 1.1 1.5

Tester oil delivery pressure kPa 157 157 157

Tester oil delivery pressure kgf/cm2 1.6 1.6 1.6

Direction of rotation (viewed from drive side)
Left L

Injection timing adjustment

Direction of rotation (viewed from drive side)
Left L

Injection order 1-3-4-2

Pre-stroke mm 4.1 4.05 4.15

Rack position
Point A R=A

Beginning of injection position
Governor side NO.1

Difference between angles 1
Cal 1-3 deg. 90 89.5 90.5

Difference between angles 2
Cal 1-4 deg. 180 179.5 180.5

Difference between angles 3
Cyl.1-2 deg. 270 269.5 270.5

Injection quantity adjustment

Adjusting point -

Rack position 12

Pump speed r/min 960 960 960

Average injection quantity mm3/st. 51.5 49.9 53.1

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_02

Adjusting point H

Rack position 9.5+-0.5

Pump speed r/min 285 285 285

Average injection quantity mm3/st. 8.5 7.2 9.8

Max. variation between cylinders % 0 -10 10

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_03

Adjusting point A

Rack position R1(12)

Pump speed r/min 960 960 960

Average injection quantity mm3/st. 51.5 50.5 52.5

Basic *

Fixing the lever *

Injection quantity adjustment_04

Adjusting point B

Rack position R1+0.6

Pump speed r/min 1600 1600 1600

Average injection quantity mm3/st. 79 75 83

Fixing the lever *

Injection quantity adjustment_05

Adjusting point I

Rack position -

Pump speed r/min 150 150 150

Average injection quantity mm3/st. 79 79 111

Fixing the lever *

Timer adjustment

Pump speed r/min -

Advance angle deg. 0 0 0

Remarks
Measure speed (beginning of operation).

Timer adjustment_02

Pump speed r/min -

Advance angle deg. 5 4.5 5.5

Remarks
Measure the actual speed, stop

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Torque cam stamping: T1 (2)Tolerance for racks not indicated: +-0.05mm.
----------
T1=G97
----------

Speed control lever angle

F:Full speed I:Idle (1)Stopper bolt set position 'H'
----------

----------
a=43deg+-5deg b=37deg+-3deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)Use the hole at R = aa
----------
aa=64mm
----------
a=20deg+-5deg b=29deg+-5deg

0000001501 FICD

(A) applied negative pressure (B) Screw (c) Nut 1. Set the actuator as described below. (1)Confirm that there is clearance between the actuator lever and the speed lever. (2)Loosen the nut (C). (3)Push in the screw (B). (4)Apply P1 from the actuator (A) part. (5)Pull out the screw (B) slowly. (6)Tighten and fix the nut (C) when pump speed is Na and the rack position is Ra. (7)Torque the nut (C) to T1. (8)Apply P2 several times. (9)Confirm that the actuator functions normally. (10)Confirm that there is a clearance between the actuator lever and the speed lever at that time.
----------
P1=53.3kPa(400mmHg) P2=53.3kPa(400mmHg) Na=440r/min Ra=9.55+-0.1mm T1=1.2~1.6N-m(0.12~0.16kgf-m)
----------
L=(2)mm

Timing setting

(1)Pump vertical direction (2)Position of gear's standard threaded hole at No 1 cylinder's beginning of injection (3)Stamping position on the A/T outer rim (4)Pump bracket check hole position. (5)At the No 1 cylinder's beginning of injection, align with the projection seen through the bracket's check hole and mark the A/T's bevel C1. (6)B.T.D.C.: aa
----------
aa=11deg
----------
a=(60deg) b=(85deg)

Information:

Cylinder Head And Valve Components
Check cylinder head for cracks before reconditioning.Flatness of the cylinder head should be within .006 in. (0.15 mm) total, and a maximum of .003 in. (0.08 mm) for any 6 in. (152.4 mm) span. A maximum stock removal of .010 in. (0.25 mm) is permissible when resurfacing the head.Always check the thickness of a cylinder head before resurfacing. The cylinder head may have been resurfaced before and would not have enough stock to be resurfaced again.To check the thickness of a cylinder head, measure through the fuel injection nozzle holes at each end of the cylinder head. For the correct thickness of the cylinder head, see the topic CYLINDER HEAD in the SPECIFICATIONS.The exhaust valve seats have replaceable inserts. To remove, use the 8S7170 Valve Seat Insert Puller Group.
REMOVING EXHAUST VALVE SEAT INSERTFreeze the exhaust valve seat inserts or use the 8S7170 Valve Seat Insert Puller Group to install inserts into head. Be sure bores are clean, free of burrs, and the insert has a good press fit into the bore.After inserts are installed, grind the seat face of the insert to be sure it is flat, has the correct angle, and is in alignment with the bore in the valve guide. For specifications, see VALVE GRINDING SPECIFICATIONS CHART. Replace exhaust valve seat inserts when valve seat width or valve head-to-cylinder head face can not be machined to the correct specification. For specifications, see VALVE GRINDING SPECIFICATIONS CHART.A 2N8943 Valve Seat Insert for the intake valve is available. This insert can be used in the repair of cylinder heads which have an intake valve seat with damage. Before, damage to an intake valve seat made replacement of the cylinder head assembly necessary.To use a 2N8943 Valve Seat Insert, the inlet port of the cylinder head must be machined to a diameter of 2.1470 .0005 in. (54.534 0.013 mm) and to a depth of .442 .002 in. (11.23 0.05 mm).To install a 2N8943 Valve Seat Insert into the cylinder head, freeze the insert or use a 2P2343 Extractor with the 8S7170 Valve Seat Insert Puller Group. After an insert is installed, grind the seat face of the insert to be sure it is flat, has the correct angle, and is in alignment with the bore in the valve guide. For specifications, see VALVE GRINDING SPECIFICATIONS CHART.Clean valve guides of all carbon and oil, using the 5P5176 Brush and a solvent.The valve guides are cast in the cylinder heads. Check each valve guide bore size 3/4 in. (19.1 mm) deep from each end. The bore size is .3745 .0005 in. (9.512 0.013 mm) and the maximum size worn is .3760 in. (9.550 mm). Valve guides worn more than the maximum wear size, can be restored to original tolerances through knurling.Use the 5P3536 Valve Guide Gauge Group to check the bore of the valve guides. Special Instructions GMG02562 gives complete and detailed instructions for use of the 5P3536 Valve Guide Gauge