107691-2302 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1076912302

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 107691-2302 1076912302

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Cross reference number

ZEXEL 107691-2302 1076912302

Zexel num

Bosch num

Firm num

Name

107691-2302

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 105780-8250

Bosch type code 1 688 901 101

Nozzle 105780-0120

Bosch type code 1 688 901 990

Nozzle holder 105780-2190

Opening pressure MPa 20.7

Opening pressure kgf/cm2 211

Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-3-600

Overflow valve 131425-0520

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 255 255 255

Tester oil delivery pressure kgf/cm2 2.6 2.6 2.6

PS/ACT control unit part no. 407910-3 03*

Selector switch no. 01

PS/ACT control unit part no. 407980-2 24*

Digi switch no. 15

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 5.6 5.57 5.63

Beginning of injection position
Drive side NO.1

Difference between angles 1
Cal 1-5 deg. 60 59.75 60.25

Difference between angles 2
Cal 1-3 deg. 120 119.75 120.25

Difference between angles 3
Cal 1-6 deg. 180 179.75 180.25

Difference between angles 4
Cyl.1-2 deg. 240 239.75 240.25

Difference between angles 5
Cal 1-4 deg. 300 299.75 300.25

Injection quantity adjustment

Adjusting point -

Rack position 10.8

Pump speed r/min 1000 1000 1000

Average injection quantity mm3/st. 87.5 85.9 89.1

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the rack *

PS407980-224* V 2.25+-0. 01

PS407980-224* mm 3.6+-0.0 5

PS407910-303* V 2.25+-0. 01

PS407910-303* mm 3.6+-0.0 5

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_02

Adjusting point Z

Rack position 7.7+-0.5

Pump speed r/min 525 525 525

Average injection quantity mm3/st. 16 14.5 17.5

Max. variation between cylinders % 0 -15 15

Fixing the rack *

PS407980-224* V V1+0.05+ -0.01

PS407980-224* mm 5.5+-0.0 3

PS407910-303* V V1+0.05+ -0.01

PS407910-303* mm 5.5+-0.0 3

Standard for adjustment of the maximum variation between cylinders *

Remarks
Refer to items regarding the pre-stroke actuator

Injection quantity adjustment_03

Adjusting point A

Rack position R1(10.8)

Pump speed r/min 1000 1000 1000

Average injection quantity mm3/st. 87.5 86.5 88.5

Basic *

Fixing the lever *

Boost pressure kPa 27.3 27.3

Boost pressure mmHg 205 205

PS407980-224* V 2.25+-0. 01

PS407980-224* mm 3.6+-0.0 5

PS407910-303* V 2.25+-0. 01

PS407910-303* mm 3.6+-0.0 5

Injection quantity adjustment_04

Adjusting point B

Rack position R1+1.4

Pump speed r/min 1450 1450 1450

Average injection quantity mm3/st. 98.5 94.5 102.5

Fixing the lever *

Boost pressure kPa 27.3 27.3

Boost pressure mmHg 205 205

PS407980-224* V 2.25+-0. 01

PS407980-224* mm 3.6+-0.0 5

PS407910-303* V 2.25+-0. 01

PS407910-303* mm 3.6+-0.0 5

Boost compensator adjustment

Pump speed r/min 500 500 500

Rack position R2-0.2

Boost pressure kPa 9.3 8 10.6

Boost pressure mmHg 70 60 80

Boost compensator adjustment_02

Pump speed r/min 500 500 500

Rack position R2(R1-1. 2)

Boost pressure kPa 14 14 14

Boost pressure mmHg 105 105 105

Timer adjustment

Pump speed r/min (N1+50)- -

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min N1

Advance angle deg. 0 -0.5 0

Remarks
Measure the actual speed.

Timer adjustment_03

Pump speed r/min -

Advance angle deg. -1.3 -1.8 -0.8

Remarks
Measure the actual speed, stop

0000001601

CU407980-224* *

Actuator retarding type *

Supply voltage V 12 11.5 12.5

Ambient temperature degC 23 18 28

Pre-stroke mm 2.5 2.45 2.55

Output voltage V 2.83 2.82 2.84

Adjustment *

_02

CU407980-224* *

Supply voltage V 12 11.5 12.5

Ambient temperature degC 23 18 28

Pre-stroke mm 5.6 5.57 5.63

Output voltage V 1.2 1 1.4

Confirmation *

Remarks
Output voltage V1

_03

CU407980-224* *

Supply voltage V 12 11.5 12.5

Ambient temperature degC 23 18 28

Output voltage V 3.05 3.05

Confirmation of operating range *

_04

CU407910-303* *

Actuator retarding type *

Supply voltage V 12 11.5 12.5

Ambient temperature degC 23 18 28

Pre-stroke mm 2.5 2.45 2.55

Output voltage V 2.83 2.82 2.84

Adjustment *

_05

CU407910-303* *

Supply voltage V 12 11.5 12.5

Ambient temperature degC 23 18 28

Pre-stroke mm 5.6 5.57 5.63

Output voltage V 1.2 1 1.4

Confirmation *

Remarks
Output voltage V1

_06

CU407910-303* *

Supply voltage V 12 11.5 12.5

Ambient temperature degC 23 18 28

Output voltage V 3.05 3.05

Confirmation of operating range *

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Torque cam stamping: T1 (2)Tolerance for racks not indicated: +-0.05mm. (3)Boost compensator stroke: BCL
----------
T1=K93 BCL=0.2+-0.1mm
----------

Speed control lever angle

F:Full speed I:Idle (1)Stopper bolt set position 'H'
----------

----------
a=22deg+-5deg b=(38deg)+-3deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)Use the hole at R = aa (2)At speed = bb and rack position = cc, confirm that the stopper bolt is set at the non-injection position. (3)After setting the stopper bolt, confirm non-injection at speed dd.
----------
aa=40mm bb=1845r/min cc=1-0.5mm dd=360r/min
----------
a=15deg+-5deg b=(45deg)+-5deg

0000001301

(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)Pre-stroke: bb
----------
aa=6deg bb=5.6+-0.03mm
----------
a=(8deg)

0000001401

(1)Pointer (2)Injection timing aligning mark (3)Fly weight (4)The actual shape and direction may be different from this illustration. Operation sequence 1. Turn the prestroke actuator OFF. 2. Turn the camshaft as far as the No.1 cylinder's beginning of injection position. 3. Check that the pointer alignment mark of the injection pump and the alignment mark of the flywheel are matching. 4. If they are not matching, erase the alignment mark on the flywheel side, and stamp an alignment mark on the flywheel position that matches with the pointer side alignment mark. 5. Check again that the coupling's key groove position is in the No.1 cylinder's beginning of injection position.
----------

----------

0000001701

A : Stopper pin B: Connector
----------

----------

0000001801

C:Shim
----------

----------

0000001901

A:Sealing position B:Pre-stroke actuator 1. When installing the pre-stroke actuator on the pump, first tighten the installation bolts loosely, then move the actuator fully clockwise (viewed from the drive side). Temporary tightening torque: 1 - 1.5 N.m (0.1 - 0.15 kgf.m) 2. Move the actuator in a counter clockwise direction when viewed from the drive side and adjust so that the adjustment point becomes the adjustment value, then fully tighten. Tightening torque: 7^9 N.m (0.7^0.9 kgf.m) 3. After prestroke actuator installation adjustment, simultaneously stamp both the actuator side and housing side.
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0000002201 RACK SENSOR

(VR) measurement voltage (I) Part number of the control unit (G) Apply red paint. (H): End surface of the pump 1. Rack sensor adjustment (-0620) (1)Fix the speed control lever at the full position (2)Set the speed to N1 r/min. (If the boost compensator is provided, apply boost pressure.) (3)Adjust the bobbin (A) so that the rack sensor's output voltage is VR+-0.01. (4)At that time, rack position must be Ra. (5)Apply G at two places. Connecting part between the joint (B) and the nut (F) Connecting part between the joint (B) and the end surface of the pump (H)
----------
N1=1450r/min Ra=R1(10.8)+1.4mm
----------

0000002301 SPEED SENSOR

(A) Flyweight projection (B) Pickup sensor (c) Lock nut Speed sensor installation (1)Install the speed sensor so that the clearance between the sensor and the flyweight projection is L. (This gap is the gap when the pickup sensor is returned 1 turn from where it contacts the flyweight tooth.)
----------
L=0.8~1mm
----------

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.
This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS8088" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
This Revised Service Letter replaces the January 25, 1994 (Revised December 1994) Service Letter. Changes have been made to the Parts Stock Action.
Termination Date
January 31, 1996Problem
The fuel nozzles used on certain 3208 Engines may crack at the braze joint.
Affected Product
Model & Identification Number
3208 ( 30A5540-5956 (Arrangements 9Y8574, 9Y8575, 1228675, 1228676, 1228679, 1228680); 62W74820-80012 (Arrangements 0R0776, 0R0975, 0R0976, 0R2818, 0R2819, 0R2875, 0R3231); 5YF1531-2058 (Arrangements 4P2649, 4P3027, 9Y2229, 9Y3136, 1042666, 1061496, 1077956, 1077957); 01Z26425-28100 (Arrangements 2W1320, 2W1325, 7W7500, 7W9150, 1013714, 1176582); 03Z11912-13004 (Arrangements 4P1724, 1067075, 1108885, 1168163, 1168164, 1168165, 1214692); 51Z81870-82239 (Arrangements 4P0921, 4P0922, 111364); 93Z8798-11332 (Arrangement 0R1098); 99R1533-1541 (Arrangement 5R6639); 79V24858 (Arrangement 1W0331))
Parts Needed
1 - 0R2503 Nozzle Assembly (Reman Equivalent of 1W5829)*1 - 0R2821 Nozzle Assembly (Reman Equivalent of 7W3710)*1 - 0R3284 Nozzle Assembly (Reman Equivalent of 4W8483)*1 - 1153354 Nozzle Assembly (No Reman Equivalent)**Use as requiredAction Required
Parts Stock
Remove all 0R2503, 0R2821, 0R3284, 1W5829, 4W8483, 7W3710, and 1153354 Nozzle Assemblies from Parts Stock with date codes of D--3, E--3, F--3, G--3, H--3, J--3, K--3, L--3, M--3, A--4, B--4, C--4, D--4, E--4, or F--4. Date codes are located on the nozzle assembly as shown below:
Location of Date CodeAffected Product
Remove all 0R2503, 0R2821, 0R3284, 1W5829, 4W8483, 7W3710, and 1153354 Nozzle Assemblies with date codes of D--3, E--3, F--3, G--3, H--3, J--3, K--3, L--3, M--3, A--4, B--4, C--4, D--4, E--4, or F--4 from the engine and replace with new nozzle assemblies or the remanufactured equivalent nozzle assemblies.
Service Claim Allowances
Parts Stock
US and Canadian Dealers Only - When submitting a Parts Stock claim use 99Z00007 in the Product Identification Number Field.
Affected Product
Industrial and Marine Engines Up to 6-hours labor may be claimed.
Truck Engines Claim labor hours in accordance with TRG book.
Parts Disposition
U.S. and Canadian Dealers
Return all 0R2503, 0R2821, 0R3284, 1W5829, 4W8483, 7W3710, and 1153354 Nozzle Assemblies that are removed from Parts Stock and a copy of the claim to:
Caterpillar Inc.
Attn:Howard Jenkel
Service Claims Room
8201 N. University
Peoria, IL 61615
For remanufactured nozzle assemblies 0R2503, 0R2821, and 0R3284, include a copy of the "Core Credit Request Packing List".
All Other Dealers
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.