106672-4873 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066724873

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 106672-4873 1066724873

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Cross reference number

ZEXEL 106672-4873 1066724873

Zexel num

Bosch num

Firm num

Name

106672-4873

YANMAR

INJECTION-PUMP ASSEMBLY
6HAL *

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 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 1-4-2-6- 3-5

Pre-stroke mm 2.9 2.85 2.95

Beginning of injection position
Drive side NO.1

Difference between angles 1
Cal 1-4 deg. 60 59.5 60.5

Difference between angles 2
Cyl.1-2 deg. 120 119.5 120.5

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

Difference between angles 4
Cal 1-3 deg. 240 239.5 240.5

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

Injection quantity adjustment

Adjusting point A

Rack position 10.8

Pump speed r/min 600 600 600

Each cylinder's injection qty mm3/st. 183.5 179.8 187.2

Basic *

Fixing the rack *

Injection quantity adjustment_02

Adjusting point B

Rack position 4.1+-0.5

Pump speed r/min 200 200 200

Each cylinder's injection qty mm3/st. 20 18 22

Fixing the rack *

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 (3)Idle sub spring setting: L1.
----------
K=13 N1=600r/min N2=500r/min L1=3.5-0.5mm
----------

Speed control lever angle

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

----------
a=21deg+-5deg b=27deg+-5deg

Stop lever angle

N:Pump normal S:Stop the pump.
----------

----------
a=20deg+-5deg b=53deg+-5deg

Timing setting

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

----------
a=(50deg)

Information:

Problem
The fuel injection nozzles used in certain D3C, D4C, D4H, D5C, and D5C LGP Tractors; D4H Track Skidders; 931C, 935C, 943, And 953 Loaders; 916 and 926E Loaders; and IT18B and IT28B Tool Carriers may not have had the orifices machined at the correct spray angle. The fuel nozzles in question are 4W7015 Nozzles with a date code of D91, E91, or F91.
Affected Product
Model & Identification Number
D3C (5CJ552-751; 4HJ443-573; 8DG67-105; 7JG76-90; 5ZG48-51)
D4C (7KG469-597; 9BG197-303)
D4H (2AC4156-5522; 3AC4196-4217; 8PB4997-5566; 9DB4798-5058)
D5C (6PJ183-339)
D5C LGP (3MK189-223)
D4H TSK (8ZF53-56)
931C (9AG36-39; 2AK62-66; 6AJ87-101)
935C (5DJ108-151)
943 (19Z1901-1904)
953 (20Z4305-4355; 44Z758-763)
IT18B (2NJ344-390)
IT28B (1JK457-548; 1HF2397-2420)
916 (5KC1832-1924)
926E (4NB3675-3703; 8NB2464-2625)
Parts Needed
1 - 7C7955 Gasket1 - 4W7015 Nozzle AssemblyUse as required (1 to 4 Nozzles May Be Needed)
Action Required
Parts Stock
Remove all 4W7015 Nozzles, that have a date code of D91, E91, or F91, from parts stock.
Affected Product
If excessive quantities of black smoke are noticeable when operating at high idle or under full load conditions, remove and inspect all four of the nozzles. Replace any 4W7015 Nozzle that has a date code of D91, E91, or F91. One or more of the four nozzles may have these date codes.
Service Claim Allowances
Parts Stock
Submit one claim for all 4W7015 Nozzles removed from parts stock.
Affected Product
This is a 3-hour job.
Parts Disposition
U.S. And Canadian Dealers
Return all 4W7015 Nozzles and a copy of the claim to:
Caterpillar Inc.
Attn: Supplier Recovery Supervisor
Warehouse #4 Docks 7 thru 10
8201 N. University
Peoria, IL 61615
CofA
Return all 4W7015 Nozzles and a copy of the claim to:
Caterpillar of Australia
Warranty Claims Area
1 Sharps Rd.
Tullamarine Vic 3043
All Other Dealers
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.