104304-3170 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1043043170 5156014050

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 104304-3170 1043043170

ISUZU 5156014050 5156014050

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Cross reference number

ZEXEL 104304-3170 1043043170

ISUZU 5156014050 5156014050

Zexel num

Bosch num

Firm num

Name

104304-3170
104304-3171

5156014050 ISUZU

INJECTION-PUMP ASSEMBLY
4FA1 *

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

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)
Right R

Injection timing adjustment

Direction of rotation (viewed from drive side)
Right R

Injection order 1-3-4-2

Pre-stroke mm 2.1 2.05 2.15

Beginning of injection position
Drive 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 A

Rack position 9.1

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 27.5 27 28

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point B

Rack position 6.8+-0.5

Pump speed r/min 425 425 425

Average injection quantity mm3/st. 8.7 7.7 9.7

Max. variation between cylinders % 0 -14 14

Fixing the lever *

Remarks
Adjust only variation between cylinders; adjust governor according to governor specifications.

Injection quantity adjustment_03

Adjusting point -

Rack position 8.4

Pump speed r/min 1300 1300 1300

Average injection quantity mm3/st. 28 26 30

Max. variation between cylinders % 0 -4 4

Fixing the lever *

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Torque control stroke: L1 (2)Set the idle spring. (3)Main spring setting (4)Rack difference between N = N1 and N = N2 (5)Rack difference between N = N3 and N = N4
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L1=0.9mm N1=1000r/min N2=700r/min N3=1300r/min N4=700r/min
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Speed control lever angle

F:Full speed I:Idle
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a=7deg+-3deg b=28deg+-6deg

Timing setting

(1)Pump vertical direction (2)Position of gear's standard threaded hole at No 1 cylinder's beginning of injection (same as key groove position) (3)B.T.D.C.: aa (4)-
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aa=20deg
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a=(50deg)

Information:

3. Remove elbow (1) and fan drive lubricant tube (2).4. Loosen the clamps on hose (7), and move the hose down from cover (5).5. Disconnect cab heater return hose (6) at the valve.6. Mark the location of coolant conditioner hoses (3) and (4), and disconnect them at the fittings. 7. Remove O-ring seal (13) from elbow (11).8. Remove elbow (11) and tube (9).9. Disconnect cab heater supply valve (10) at the fitting.10. Remove four bolts (12) that hold the water pump to the bonnet. Remove O-ring seal (8) from the water pump. 11. Remove four nuts (15) and one bolt that hold water pump (14) to the timing gear housing.12. Remove the water pump and O-ring seal. The following steps are for installation of the water pump.13. Be sure the mating surface of the water pump and timing gear housing is clean.14. Be sure the mating surface of the water pump and bonnet is clean.15. Install a new O-ring seal on water pump (14).16. Install a new gasket between the water pump and the bonnet while installing the water pump on the timing gear housing.17. Install the four nuts and one bolt that hold water pump (14) to the timing gear housing.18. Install four bolts (12) that hold the water pump to the bonnet.19. Connect cab heater supply valve (10) to the fitting.20. Put clean glycerin on the O-ring seals, and install elbow (11) and tube (9). Install a new O-ring seal (13) in the elbow.21. Connect the coolant condition hoses (3) and (4) to the fittings. Connect the hoses in their original location.22. Connect cab heater return hose (6) to the valve.23. Move hose (7) into position on cover (5), and tighten the hose clamps.24. Install elbow (1) with new gaskets, and install fan drive lubricant tube (2).25. Fill the cooling system with coolant to the correct level. See the Maintenance Guide.Disassemble Water Pump
Start By:a. remove water pump 1. Remove O-ring seal (1) from adapter (2).2. Remove adapter (2) with a screwdriver. Remove the seal from the edge of adapter (2).3. Remove bolt (3) and the washer. 4. Remove impeller (4) from the water pump housing with Tooling (A). 5. Remove seal assembly (5). Remove ring and seal (6). 6. Remove the bolt and washer that hold gear (7) on the water pump shaft.7. Remove gear (7) with Tooling (B).8. Remove bolts and retainer (9).9. Remove O-ring seal (8). 10. Remove shaft (10) and the bearings as a unit.11. Remove bearing (11), spacer (12) and bearing (13) from shaft (10).12. Remove the lip-type seal from the gear side of the water pump. Remove the ring and seal from the impeller side of the water pump.13. Use 6V-1541 Quick Cure Primer to clean shaft (10) and the seal counterbore