Information injection-pump assembly
ZEXEL
106672-4780
1066724780
KOMATSU
6128711202
6128711202

Rating:
Cross reference number
ZEXEL
106672-4780
1066724780
KOMATSU
6128711202
6128711202
Zexel num
Bosch num
Firm num
Name
Calibration Data:
Adjustment conditions
Test oil
1404 Test oil ISO4113 or {SAEJ967d}
1404 Test oil ISO4113 or {SAEJ967d}
Test oil temperature
degC
40
40
45
Nozzle and nozzle holder
105780-8130
Bosch type code
EFEP215A
Nozzle
105780-0050
Bosch type code
DN6TD119NP1T
Nozzle holder
105780-2090
Bosch type code
EFEP215
Opening pressure
MPa
17.2
Opening pressure
kgf/cm2
175
Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-3-600
Outer diameter - inner diameter - length (mm) mm 8-3-600
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
Right R
Injection timing adjustment
Direction of rotation (viewed from drive side)
Right R
Right R
Injection order
1-5-3-6-
2-4
Pre-stroke
mm
2.5
2.45
2.55
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cal 1-5 deg. 60 59.5 60.5
Cal 1-5 deg. 60 59.5 60.5
Difference between angles 2
Cal 1-3 deg. 120 119.5 120.5
Cal 1-3 deg. 120 119.5 120.5
Difference between angles 3
Cal 1-6 deg. 180 179.5 180.5
Cal 1-6 deg. 180 179.5 180.5
Difference between angles 4
Cyl.1-2 deg. 240 239.5 240.5
Cyl.1-2 deg. 240 239.5 240.5
Difference between angles 5
Cal 1-4 deg. 300 299.5 300.5
Cal 1-4 deg. 300 299.5 300.5
Injection quantity adjustment
Adjusting point
A
Rack position
14.3
Pump speed
r/min
1000
1000
1000
Each cylinder's injection qty
mm3/st.
250
245
255
Basic
*
Fixing the rack
*
Injection quantity adjustment_02
Adjusting point
C
Rack position
17.1
Pump speed
r/min
900
900
900
Average injection quantity
mm3/st.
349
346
352
Fixing the rack
*
Injection quantity adjustment_03
Adjusting point
D
Rack position
8.6+-0.5
Pump speed
r/min
300
300
300
Average injection quantity
mm3/st.
28
25
31
Max. variation between cylinders
%
0
-10
10
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
----------
K=14 N1=900r/min N2=750r/min
----------
----------
K=14 N1=900r/min N2=750r/min
----------
Speed control lever angle

I:Idle
S:Stop
(1)Set the pump speed at aa
(2)Set speed at bb (setting at shipping).
----------
aa=750r/min bb=900r/min
----------
a=6deg+-8deg b=19deg+-8deg c=15deg+-8deg d=32deg+-3deg
----------
aa=750r/min bb=900r/min
----------
a=6deg+-8deg b=19deg+-8deg c=15deg+-8deg d=32deg+-3deg
Stop lever angle

N:Pump normal
S:Stop the pump.
----------
----------
a=(26.5deg) b=(53deg)
----------
----------
a=(26.5deg) b=(53deg)
Information:
Caterpillar: Confidential Yellow
PSP FOR FUEL INJECTION LINE FAILURES ON 627E, 627E PP AND 637E SCRAPERS - MAILED WORLDWIDE EXCEPT BRAZIL
  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.
U-35 A-20 AU-22 E-18 O-21 1252 PS4200 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 "PS4200" as Part Number and "7755" as Group Number. Termination Date
February 28, 1989
Problem
The fuel injection lines on 627E, 627E PP and 637E Scrapers may crack as a result of excessive vibration. New fuel injection lines and supporting brackets can be installed.
Affected Product
Model Identification Number 627E 6EBl - 513 627E PP 6GB513 - 177, 579-582, 584, 585, 587, 588, 590-603 637E 1FB1 - 338, 341-348, 350-352 1JB1 - 548, 550, 553, 555, 556, 558-561, 563
Parts Needed
1 - 7C9564 Line As. 1 - 7C9565 Line As. 1 - 7C9566 Line As. 11 - 1W9168 Clamp 8 - 5P4939 Screw As. 11 - lW9169 Clamp 1 - 9Y1586 Bracket As. 1 - 9Y1653 Bracket As. 3 - 9N3388 Screw 1 - 9Y2681 Bar (as needed) The 9Y2681 Bar is only needed if the engine is not equipped with heat shields.
Action Required
Install the new parts as shown in the attached illustration. It is important that the 1W9168 and 1W9169 Clamps be installed at the locations shown in the illustration.
Service Claim Allowances
Product Caterpillar Dealer Suggested Customer Suggested smu/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. whichever (D/N) (Cost) (C/L) (Sell) comes first 0-2500
PSP FOR FUEL INJECTION LINE FAILURES ON 627E, 627E PP AND 637E SCRAPERS - MAILED WORLDWIDE EXCEPT BRAZIL
  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.
U-35 A-20 AU-22 E-18 O-21 1252 PS4200 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 "PS4200" as Part Number and "7755" as Group Number. Termination Date
February 28, 1989
Problem
The fuel injection lines on 627E, 627E PP and 637E Scrapers may crack as a result of excessive vibration. New fuel injection lines and supporting brackets can be installed.
Affected Product
Model Identification Number 627E 6EBl - 513 627E PP 6GB513 - 177, 579-582, 584, 585, 587, 588, 590-603 637E 1FB1 - 338, 341-348, 350-352 1JB1 - 548, 550, 553, 555, 556, 558-561, 563
Parts Needed
1 - 7C9564 Line As. 1 - 7C9565 Line As. 1 - 7C9566 Line As. 11 - 1W9168 Clamp 8 - 5P4939 Screw As. 11 - lW9169 Clamp 1 - 9Y1586 Bracket As. 1 - 9Y1653 Bracket As. 3 - 9N3388 Screw 1 - 9Y2681 Bar (as needed) The 9Y2681 Bar is only needed if the engine is not equipped with heat shields.
Action Required
Install the new parts as shown in the attached illustration. It is important that the 1W9168 and 1W9169 Clamps be installed at the locations shown in the illustration.
Service Claim Allowances
Product Caterpillar Dealer Suggested Customer Suggested smu/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. whichever (D/N) (Cost) (C/L) (Sell) comes first 0-2500