106673-7650 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066737650

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 106673-7650 1066737650

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Cross reference number

ZEXEL 106673-7650 1066737650

Zexel num

Bosch num

Firm num

Name

106673-7650

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 1-5-3-6- 2-4

Pre-stroke mm 4.8 4.75 4.85

Beginning of injection position
Governor 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 10.6

Pump speed r/min 1000 1000 1000

Average injection quantity mm3/st. 168.5 165.5 171.5

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the lever *

Boost pressure kPa 44 44

Boost pressure mmHg 330 330

Injection quantity adjustment_02

Adjusting point B

Rack position 6+-0.5

Pump speed r/min 425 425 425

Average injection quantity mm3/st. 8 5.4 10.6

Max. variation between cylinders % 0 -15 15

Fixing the rack *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

Injection quantity adjustment_03

Adjusting point D

Rack position -

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 195 175 215

Fixing the lever *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

Rack limit *

Boost compensator adjustment

Pump speed r/min 600 600 600

Rack position R1-1.4

Boost pressure kPa 4.7 3.4 6

Boost pressure mmHg 35 25 45

Boost compensator adjustment_02

Pump speed r/min 600 600 600

Rack position R1(10.6)

Boost pressure kPa 30.7 24 37.4

Boost pressure mmHg 230 180 280

Timer adjustment

Pump speed r/min 825--

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 775

Advance angle deg. 0.5

Timer adjustment_03

Pump speed r/min 975

Advance angle deg. 1 0.5 1.5

Remarks
Finish

Test data Ex:

Governor adjustment

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 (5)Main spring setting (6)Boost compensator stroke
----------
K=14
----------

Speed control lever angle

F:Full speed I:Idle (1)Stopper bolt setting
----------

----------
a=(20deg)+-5deg b=(5deg)+-5deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)Pump speed aa and rack position bb (to be sealed at delivery) (2)Stopper bolt setting
----------
aa=0r/min bb=1-0.5mm
----------
a=35deg+-5deg b=70deg+-5deg

Timing setting

(1)Pump vertical direction (2)Coupling's key groove position at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=13deg
----------
a=(7deg)

Information:

TERMINATION DATE
30Sep2014
PROBLEM
The existing fuel injector has a 150 degree spray pattern. During the combustion stroke (process), the current end of injection timing maps can allow the 150 degree spray pattern to temporarily impinge upon the exposed wall of the cylinder liner as the piston moves downward in the bore.
Depending on engine speed and load factors, the fuel making contact with the liner can dilute the oil film or cause excessive soot. The excessive soot can build up to form carbon deposits at the piston lands and grooves, resulting in uneven top ring and groove wear, which may cause ring breakage. This situation is aggravated by contamination within the air and lubrication systems.
AFFECTED PRODUCT
Model Identification Number
793D FDB01439, 1442-1443, 1450-1451, 1561-1562, 1566-1567, 1576, 1620-1622, 1627, 1629
PARTS NEEDED
Qty
Part Number Description
16 4237547 INJECTOR GP-FUEL
1 4264383 SOFTWARE GP-ELEK
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
Refer to the service manual if/as necessary.
Install a full set of sixteen 145 degree fuel injectors along with
the software.
NOTE 1: Do not mix the 145 degree fuel injectors with the former 150 degree fuel injectors in the same engine.
NOTE 2: Do not install the software that is listed in the Parts Needed unless all sixteen fuel injectors have been replaced by the 145 degree spray pattern fuel injectors that is listed in the Parts Needed.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-20000 hrs,
0-72 mo 100.0% 50.0% 0.0% 0.0% 0.0% 50.0%
This is a 8.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.