106873-7500 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1068737500


 

Information injection-pump assembly

ZEXEL 106873-7500 1068737500
106873-7500 INJECTION-PUMP ASSEMBLY
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Cross reference number

ZEXEL 106873-7500 1068737500


Zexel num
Bosch num
Firm num
Name
106873-7500 
 
   
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   8-3-600
Overflow valve   131424-4620
Overflow valve opening pressure kPa   255 221 289
Overflow valve opening pressure kgf/cm2   2.6 2.25 2.95
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   1-2-7-3- 4-5-6-8
Pre-stroke mm   3.9 3.85 3.95
Beginning of injection position
Governor side
  NO.1
Difference between angles 1
Cyl.1-2
deg.   45 44.5 45.5
Difference between angles 2
Cal 1-7
deg.   90 89.5 90.5
Difference between angles 3
Cal 1-3
deg.   135 134.5 135.5
Difference between angles 4
Cal 1-4
deg.   180 179.5 180.5
Difference between angles 5
Cal 1-5
deg.   225 224.5 225.5
Difference between angles 6
Cal 1-6
deg.   270 269.5 270.5
Difference between angles 7
Cal 1-8
deg.   315 314.5 315.5
Injection quantity adjustment
Adjusting point   A
Rack position   11
Pump speed r/min   750 750 750
Average injection quantity mm3/st.   159 156 162
Max. variation between cylinders %   0 -3 3
Basic   *
Fixing the lever   *
Injection quantity adjustment_02
Adjusting point   B
Rack position   5.8+-0.5
Pump speed r/min   300 300 300
Average injection quantity mm3/st.   25 22.4 27.6
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.   295 295 305
Fixing the lever   *
Timer adjustment
Pump speed r/min   900++
Advance angle deg.   0 0 0
Remarks
Do not advance until starting N = 900.
 
Timer adjustment_02
Pump speed r/min   900
Advance angle deg.   0.5
Timer adjustment_03
Pump speed r/min   -
Remarks
Speed, measure actual advance, end of effect
 

Test data Ex:

Governor adjustment

Test data 106873-7500
N:Pump speed R:Rack position (mm) (1)Notch: K (2)Tolerance for racks not indicated: +-0.05mm. (3)RACK LIMIT (4)Set idle sub-spring
----------
K=8
----------

Speed control lever angle

Test data 106873-7500
F:Full speed I:Idle (1)Set the pump speed at aa. (At delivery) (2)Pump speed = bb (3)Stopper bolt setting
----------
aa=910r/min bb=755r/min
----------
a=1deg+-5deg b=9deg+-5deg c=30deg+-5deg

Stop lever angle

Test data 106873-7500
N:Pump normal S:Stop the pump. (1)Right front (2)Right rear
----------

----------
a=19deg+-5deg b=46deg+-5deg c=28deg+-5deg d=53deg+-5deg

Timing setting

Test data 106873-7500
(1)Pump vertical direction (2)Coupling's key groove position at No 1 cylinder's beginning of injection (3)- (4)-
----------

----------
a=(40deg)




Information:

Literature Information
This manual contains information and instructions concerning engine safety, operation, lubrication, and maintenance. Read, study, and keep it available with other literature and engine information.Some photographs or illustrations in this publication show details or attachments that may differ from your engine. Guards and covers may have been removed for illustrative purposes. Continuing improvement and advancement of product design may have caused changes to your engine which are not included in this publication.Whenever a question arises regarding your engine, or this publication, please consult your Caterpillar dealer for the latest available information.Safety
The safety section lists basic safety precautions. In addition, this section identifies hazardous, warning situations. Read and understand the basic precautions listed in the safety section before operating or performing lubrication, maintenance and/or repair on this product.Operation
Engine operation outlined in this publication is basic. Engine operators gain knowledge of the engine through experience, developing operation skills and techniques which enhance efficient and economical engine operation.The operation section is a reference for operators. Photographs and illustrations guide operators through correct procedures of inspecting, starting, operating and stopping the engine. Discussion of gauges and engine control information is included.Maintenance
The maintenance section is a guide to engine care. The illustrated instructions are grouped by maintenance service intervals. The actual operating environment of the engine also governs the maintenance schedule. Under extremely severe, dusty, or frigid operating conditions, lubrication and maintenance checks more frequent than those specified in the Maintenance Schedule may be necessary. Maintenance Intervals
Use the service hour meter to determine service intervals. Calendar intervals shown (daily, weekly, monthly, etc.) can be used instead of service hour meter intervals, if they provide more convenient serving schedules and approximate the indicated service hour meter reading. Recommended service should always be performed at the interval that occurs first.We recommend that the maintenance schedules be reproduced for ease of inspection. We also recommend that ongoing maintenance records be kept to document engine service. See the Maintenance Records section of this publication for information regarding documents that are generally accepted as proof of maintenance or repair. Your Caterpillar dealer can assist you in tailoring your Maintenance Schedule to meet the needs of your operating environment.Overhaul
Major engine repair details are not covered in this manual. Major repairs are best left to trained personnel or an authorized Caterpillar dealer.If a major engine failure requiring removal of the engine occurs, numerous after-failure overhaul options available from your Caterpillar dealer. Contact your dealer for information regarding these options.Engine Storage
For general information, refer to the Engine Lifting & Storage topic. For complete engine storage information refer to Special Instruction SEHS9031, Storage Procedure for Caterpillar Products.California
Proposition 65 WarningDiesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.

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