106674-2030 ZEXEL 9 400 617 366 BOSCH INJECTION-PUMP ASSEMBLY 9400617366 1066742030 0429040403

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

BOSCH 9 400 617 366 9400617366

ZEXEL 106674-2030 1066742030

MITSUBISHI-HEAV 0429040403 0429040403

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Cross reference number

BOSCH 9 400 617 366 9400617366

ZEXEL 106674-2030 1066742030

MITSUBISHI-HEAV 0429040403 0429040403

Zexel num

Bosch num

Firm num

Name

106674-2030

9 400 617 366

0429040403 MITSUBISHI-HEAV

INJECTION-PUMP ASSEMBLY
12DE * K

Calibration Data:

Adjustment conditions

Test oil
1404 Test oil ISO4113 or {SAEJ967d}

Test oil temperature degC 40 40 45

Nozzle 105780-0020

Bosch type code DN4SD24T

Nozzle holder 105031-2010

Bosch type code KB56SD273

Opening pressure MPa 11.8

Opening pressure kgf/cm2 120

Injection pipe
Outer diameter - inner diameter - length (mm) mm 6-2-600

Overflow valve 132424-0620

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 1-5-3-6- 2-4

Pre-stroke mm 2.05 2 2.1

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 18

Pump speed r/min 750 750 750

Average injection quantity mm3/st. 380 370 390

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the rack *

Remarks
Standard point A's rack position same as row B's

Injection quantity adjustment_02

Adjusting point B

Rack position 18

Pump speed r/min 600 600 600

Average injection quantity mm3/st. 390 370 410

Max. variation between cylinders % 0 -5 5

Fixing the rack *

Injection quantity adjustment_03

Adjusting point C

Rack position 6.5+-0.5

Pump speed r/min 300 300 300

Average injection quantity mm3/st. 50 45 55

Max. variation between cylinders % 0 -10 10

Fixing the rack *

Information:

The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
TERMINATION DATE
30Sep2020
PROBLEM
The existing fuel injectors may start to leak on certain 120K 2 and 140K 2 Motor Graders. This can allow fuel to mix with the engine oil in certain high cycle / heavy engine load applications.
AFFECTED PRODUCT
Model Identification Number
120K 2 SZS00489-01219, 10100-10446, 20100-20452
140K 2 SZW00159-00199, 10100-10113, 20100-20106
PARTS NEEDED
Qty
Part Number Description
6 3879427 INJECTOR GP-FUEL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% 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
If a machine starts to have signs of fuel entering the oil and one fuel injector is found to be leaking. Replace all six fuel injectors using part 387-9427.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-5000 hrs,
0-48 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
5001-7500 hrs,
49-84 mo 33.0% 50.0% 0.0% 0.0% 50.0% 50.0%
This is a 5.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.