101402-9491 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014029491


 

Information injection-pump assembly

ZEXEL 101402-9491 1014029491
101402-9491 INJECTION-PUMP ASSEMBLY
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Service parts 101402-9491 INJECTION-PUMP ASSEMBLY:

1. _
2. FUEL INJECTION PUMP 101041-8451
3. GOVERNOR 105419-2300
4. SUPPLY PUMP 105220-7170
5. AUTOM. ADVANCE MECHANIS
6. COUPLING PLATE
7. COUPLING PLATE
8. _
9. _
10. NOZZLE AND HOLDER ASSY
11. Nozzle and Holder
12. Open Pre:MPa(Kqf/cm2)
13. NOZZLE-HOLDER
14. NOZZLE
15. NOZZLE SET

Include in #1:

101402-9491 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 101402-9491 1014029491


Zexel num
Bosch num
Firm num
Name
101402-9491 
 
   
INJECTION-PUMP ASSEMBLY

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   131424-1520
Overflow valve opening pressure kPa   157 123 191
Overflow valve opening pressure kgf/cm2   1.6 1.25 1.95
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   3.6 3.55 3.65
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   11.6
Pump speed r/min   750 750 750
Average injection quantity mm3/st.   61 60 62
Max. variation between cylinders %   0 -2.5 2.5
Basic   *
Fixing the lever   *
Injection quantity adjustment_02
Adjusting point   C
Rack position   8+-0.5
Pump speed r/min   600 600 600
Average injection quantity mm3/st.   11.5 10.5 12.5
Max. variation between cylinders %   0 -15 15
Fixing the rack   *
Injection quantity adjustment_03
Adjusting point   D
Rack position   -
Pump speed r/min   100 100 100
Average injection quantity mm3/st.   75 70 80
Fixing the lever   *
Rack limit   *

Test data Ex:

Governor adjustment

Test data 101402-9491
N:Pump speed R:Rack position (mm) (1)Notch fixed: K (2)Tolerance for racks not indicated: +-0.05mm. (3)RACK LIMIT (4)Set idle sub-spring
----------
K=10
----------

Speed control lever angle

Test data 101402-9491
F:Full speed I:Idle (1)Stopper bolt setting
----------

----------
a=(0deg)+-5deg b=(12deg)+-5deg

Stop lever angle

Test data 101402-9491
N:Pump normal S:Stop the pump. (1)At delivery
----------

----------
a=58deg+-5deg b=53deg+-5deg

Timing setting

Test data 101402-9491
(1)Pump vertical direction (2)Position of camshaft's key groove at No 1 cylinder's beginning of injection (3)- (4)-
----------

----------
a=(60deg)




Information:

White Smoke
Possible Causes/Corrections Cold Outside TemperaturesWhen the air outside is cold, the cylinder temperature is cooler. Not all the fuel will burn in the cylinders. The fuel which does not burn comes out the exhaust as white smoke. White smoke is normal in cold temperatures until the engine operates long enough to become warm. There will be less white smoke if No. 1 diesel fuel is used. Long Idle PeriodsWhen an engine runs at idle speed for a long period of time, the cylinders cool and all of the fuel does not burn. Do not idle an engine for a long period of time. Stop an engine when it is not in use. If long idle periods are necessary, use No. 1 diesel fuel. Engine Operating Temperature Too LowThis can cause white smoke on startup. If the smoke is slow to clear from the exhaust, check and make a replacement of the thermostat if needed. Low Quality FuelTest the engine using fuel according to recommendations by Caterpillar Inc. For more information see Special Instruction, Form No. SEHS7067, Fuel Recommendations For Caterpillar Diesel Engines. Air In Fuel SystemWith air in the fuel system, the engine will normally be difficult to start, run rough, and release a large amount of white smoke. If the engine will not start, loosen a fuel injection line nut at the through the head adapter and crank the engine until fuel comes out. Tighten the fuel line nut. Start the engine. If the engine still does not run smooth or releases a large amount of white smoke, loosen the fuel line nuts one at a time at the through head adapters until the fuel that comes out is free of air. Tighten the fuel line nuts. If the air cannot be removed in this way, put 35 kPa (5 psi) of air pressure to the fuel tank.
Do not use more than 55 kPa (8 psi) of air pressure in the fuel tank or damage to the tank may result.
Check for leakage at the connections between the fuel tank and the fuel transfer pump. If leaks are found, tighten the connections or replace the lines. If there are no visual leaks, remove the fuel supply line from the tank and connect it to an outside fuel supply. If this corrects the problem, the suction line (standpipe) inside the fuel tank has a leak. Fuel Injection Timing Not CorrectCheck and make necessary adjustments as in Testing and Adjusting Section of this Service Manual. Valve Adjustment Not CorrectCheck and make necessary adjustments as in Testing and Adjusting Section of this Service Manual. Intake valve lash is 0.38 mm (.015 in) and exhaust valve lash is 0.64 mm (.025 in). Defective Fuel Nozzle(s)Defective fuel nozzles will normally cause the engine to "misfire" and run rough, but can cause too much smoke with the engine still running smooth. Remove the fuel nozzles and test as in Testing and Adjusting Section of this Service Manual. Misfiring Cylinder(s)See "Misfiring And Running Rough".

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Group cross 101402-9491 ZEXEL

 
 
INJECTION-PUMP ASSEMBLY
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