106672-9311 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066729311

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 106672-9311 1066729311

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Cross reference number

ZEXEL 106672-9311 1066729311

Zexel num

Bosch num

Firm num

Name

106672-9311
106672-9314

KOMATSU

INJECTION-PUMP ASSEMBLY
S6D140 *

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 131424-3420

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 1-5-3-6- 2-4

Pre-stroke mm 4.3 4.25 4.35

Beginning of injection position
Drive side NO.1

Difference between angles 1
Cal 1-5 deg. 60 59.5 60.5

Difference between angles 2
Cal 1-3 deg. 120 119.5 120.5

Difference between angles 3
Cal 1-6 deg. 180 179.5 180.5

Difference between angles 4
Cyl.1-2 deg. 240 239.5 240.5

Difference between angles 5
Cal 1-4 deg. 300 299.5 300.5

Injection quantity adjustment

Adjusting point A

Rack position 8.5

Pump speed r/min 1050 1050 1050

Average injection quantity mm3/st. 137.2 135.2 139.2

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point -

Rack position 3.9+-0.5

Pump speed r/min 335 335 335

Average injection quantity mm3/st. 13 11.5 14.5

Max. variation between cylinders % 0 -15 15

Fixing the rack *

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

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Target notch: K (2)Rack difference between N = N1 and N = N2
----------
K=11 N1=1330r/min N2=1050r/min
----------

Speed control lever angle

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

----------
a=6deg+-5deg b=27deg+-5deg c=32deg+-3deg

Timing setting

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

----------
a=(260deg)

Information:

Problem
Certain 785 and 789 Trucks may experience problems during cold starts. An Automatic Ether Injection System (AEIS) can be installed to improve starting and combustion during cold startups and increase the service life of the engine.
Affected Product
Model & Identification Number
785 (8GB1-417)
789 (9ZC1-439)
Parts Needed
*For use on machines that DO NOT have Payload Monitor System.**For use on machines that DO have Payload Monitor System.***For machines that have Automatic Electronic Traction Aid.Action Required
If so equipped, remove the existing manual type ether injection system.
Follow the procedure in Special Instruction SEHS9293 "Installation of Automatic Ether Injection System (AEIS) " and install the Automatic Ether Injection System (AEIS).
Service Claim Allowances
This is a 9-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.