101402-7090 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014027090 8971660770

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 101402-7090 1014027090

ISUZU 8971660770 8971660770

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Service parts 101402-7090 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 101041-8311

3. GOVERNOR 105419-2670

4. SUPPLY PUMP 105220-6250

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE

7. COUPLING PLATE 156638-8621

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105101-6521

11. Nozzle and Holder 8-97030-285-1

12. Open Pre:MPa(Kqf/cm2) 14.7{150}

13. NOZZLE-HOLDER 105030-4361

14. NOZZLE

105015-3930

15. NOZZLE SET

Include in #1:

101402-7090 as INJECTION-PUMP ASSEMBLY

Include in #2:

104285-1006 as _

Cross reference number

ZEXEL 101402-7090 1014027090

ISUZU 8971660770 8971660770

Zexel num

Bosch num

Firm num

Name

101402-7090
101402-7091

8971660770 ISUZU

INJECTION-PUMP ASSEMBLY
4BG1 * 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 131424-4920

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)
Right R

Injection timing adjustment

Direction of rotation (viewed from drive side)
Right R

Injection order 1-3-4-2

Pre-stroke mm 3.4 3.35 3.45

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 8.8

Pump speed r/min 1250 1250 1250

Average injection quantity mm3/st. 83.5 82.4 84.6

Max. variation between cylinders % 0 -2 2

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point C

Rack position 6+-0.5

Pump speed r/min 425 425 425

Average injection quantity mm3/st. 8.5 7.1 9.9

Max. variation between cylinders % 0 -14 14

Fixing the rack *

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Target notch: K (2)Tolerance for racks not indicated: +-0.05mm. (3)Set idle sub spring. (4)Main spring setting
----------
K=12
----------

Speed control lever angle

F:Full speed I:Idle S:Stop
----------

----------
a=18deg+-5deg b=30deg+-5deg c=35deg+-3deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)Without return spring
----------

----------
a=66.5deg+-5deg b=53deg+-5deg

Timing setting

(1)Pump vertical direction (2)Position of gear mark 'CC' at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=14deg
----------
a=(90deg)

Information:

start by:a) remove air compressor 1. Remove elbow (1) and adapter. Remove the gasket, screen and gasket from behind the flange.2. Remove air compressor governor (2).3. Put a mark on the head assembly and block for correct assembly. 4. Remove six bolts (3). Remove head assembly (4). 5. Remove inlet valve springs (5) from the head assembly.6. Remove discharge valve seats (6). 7. Remove discharge valves (7). Remove springs from behind the valves. Check the discharge valve stops for wear or damage. If the discharge valve travel exceeds .057 in. (1.45 mm), make a replacement of the head assembly. 8. Remove inlet valves (8) from guides. Remove guides (9) from around the inlet valve seats. 9. Remove unloader spring (10), spring seat and spring saddle (12).10. Remove unloader plungers (11) and guides. 11. To remove unloader pistons (13) from the bore, put a cover over the inlet port, then blow air pressure in the governor mounting pad unloader port (14). 12. Check inlet valve seats (15) and unloader bore bushings (16) for damage or wear. If necessary, make a replacement. 13. Remove bolts (17). Remove cover (18) and gasket from the crankcase assembly.14. Put marks on the rod bearing caps and rods for correct assembly. 15. Remove bolts (19) and locks. Remove rod bearing caps (20). Push the pistons and rods through the top of the crankcase assembly. 16. Remove rod pin (21) from the piston. Remove rod (23).17. Remove bearings (22) from the rods and caps. 18. Use tooling (A) to remove bushing (24) from the rod. 19. Remove buttons (25) from each end of the rod pins. 20. Remove piston rings (26) from piston (27) with an approved ring expander. 21. Remove O-ring seal (29) from the crankshaft.22. Remove bolts (28). Remove adapter (30) from the crankcase assembly. 23. Remove three O-ring seals (32) from the adapter.24. Remove thrust bearing (31). 25. Use tooling (A) and a press to remove the bearing from the adapter.
Do not cause damage to the bearing surfaces of the crankshaft when it is removed from the crankcase assembly.
26. Remove crankshaft (33) from the crankcase assembly. 27. Remove bolts (34). Remove cover (35). Remove two O-ring seals from the crankcase assembly. 28. Remove O-ring seal (37) from the cover.29. Remove thrust bearing (36). 30. Remove bearing (38) from the cover.Assemble Air Compressor
1. Check all parts for damage or wear. If necessary, make a replacement with a new part.2. Make sure all parts are clean and free of dirt and foreign material. 3. Use tool (A) and a press to install the bearing in cover (1). 4. Install O-ring seal (3) on the cover.5. Install thrust bearing (2). 6. Install O-ring seals (4) in the crankcase assembly.7. Put a small amount of SAE 30 oil on the O-ring seal and install the cover on crankcase assembly (5). Tighten the bolts to a torque of 25 to 35 lb.ft. (35 to 45 N m). 8. Put crankshaft (6) in position in the crankcase assembly.