PSP FOR INSTALLING NEW BOLTS AND SPACERS TO HOLD THE BRAKE CALIPER AND WHEEL SPINDLE TO THE FRONT AXLE HOUSING ON CERTAIN 613 C TRACTORS - PS4638 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 06/92 Caterpillar


PSP FOR INSTALLING NEW BOLTS AND SPACERS TO HOLD THE BRAKE CALIPER AND WHEEL SPINDLE TO THE FRONT AXLE HOUSING ON CERTAIN 613 C TRACTORS - PS4638 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 06/92

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Caterpillar: Confidential Yellow

PSP FOR INSTALLING NEW BOLTS AND SPACERS TO HOLD THE BRAKE CALIPER AND WHEEL SPINDLE TO THE FRONT AXLE HOUSING ON CERTAIN 613 C TRACTORS - PS4638 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 06/92

NOTE:   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.




June 18, 1991
(Revised June 1992)
U-123
A-88
AU-75
E-80
O-92
PRODUCT SUPPORT PROGRAM FOR INSTALLING NEW BOLTS AND SPACERS TO HOLD THE
BRAKE CALIPER AND WHEEL SPINDLE TO THE FRONT AXLE HOUSING ON CERTAIN 613C
TRACTORS
3013   PS4638
NOTE: 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 "PS4638"
as Part Number, "7755" as Group Number, and "96" as Description
Code.
NOTE: This Revised Service Letter replaces the June 18, 1991 Service
Letter. A change was made to the Termination Date.

Termination Date

June 30, 1993

Problem

The bolts used to hold the brake caliper and spindle to the front axle
housing may loosen on certain 613C Tractors.

Affected Product

Model Identification Number
613C 92X1-934, 937-1013, 1015-1475, 1477-1823, 1827-2113, 2115-2167,
2169, 2185, 2208, 2210
05A9101, 9102, 9440, 9441, 9600-9602, 9813, 9882

Parts Needed

16 - 9M7783 Spacer
32 - 0S1600 Bolt

Action Required

Remove the tire and rim. It is not necessary to remove the fenders. It is
easier to install the tire and rim if the fenders are removed, but it is very
time consuming and two people are needed to install the fenders.
NOTE: Replace and tighten the bolts one at a time.
Remove one of the 8-0S1600 or 8-5B0841 Bolts that hold the brake caliper and
spindle to the front axle housing.
Install new 0S1600 Bolts in the same locations as the former 8-0S1600 Bolts.
Reuse the existing washers. The existing 0S1600 Bolts are not being reused
because of possible damage from a loose joint.
Install new 0S1600 Bolts and 9M7783 Spacers in the locations of the former
5B0841 Bolts. Reuse the existing washers.
Tighten the bolts to a torque of 160 +/- 20 N.m plus an additional 60 +/- 10
degrees.
Repeat the above steps for each of the remaining bolts.
Install the tire and rim.

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
0-2000 100% 4 0 0 0 0
0-24 mo
2001-4000 33 1/3% 2 0 1 50% 1
25-36 mo
NOTE: This is a 4-hour job.

Parts Disposition

Handle the parts in accordance with your Warranty Bulletin on warranty parts
handling.

Caterpillar Information System:

SERVICE LETTER SUPPLEMENT FOR JULY 10, 1990 SL - PI3482 - PRIORITY - NEW HYDRAULIC OIL FILTER BAFFLE TUBE NEEDS TO BE INS TALLED ON CERTAIN D9N AND D10N TRACTORS - MAILED US AND CANADA, CACO, COFA, CFEL, COSA SERVICE LETTER SUPPLEMENT FOR JULY 10, 1990 SL - PI3482 - PRIORITY - NEW HYDRAULIC OIL FILTER BAFFLE TUBE NEEDS TO BE INS TALLED ON CERTAIN D9N AND D10N TRACTORS - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
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PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED BRAZIL PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED BRAZIL
PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, MARINE TEPS PSP FOR REPLACING UNIT INJECTOR RETURN SPRINGS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B, 785, 789 TRUCKS; 3508, 3512, 351 6 ENGINES - PS4591 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, MARINE TEPS
Product Support Program For Installing New Final Drive Gears And Related Parts On Certain 518 And 528 Grapple Skidders Product Support Program For Installing New Final Drive Gears And Related Parts On Certain 518 And 528 Grapple Skidders
PSP FOR INSTALLING NEW BOLTS, SPACERS, AND MOUNTING PARTS FOR THE FRONT WHEEL BRAKES ON CERTAIN 518 GRAPPLE SKIDDERS EQU IPPED WITH A STANDARD FRONT AXLE - PS4601 - MAILED US AND CANADA, COFA, CFEL, COSA, LIMITED CACO - REVISED 10/91 PSP FOR INSTALLING NEW BOLTS, SPACERS, AND MOUNTING PARTS FOR THE FRONT WHEEL BRAKES ON CERTAIN 518 GRAPPLE SKIDDERS EQU IPPED WITH A STANDARD FRONT AXLE - PS4601 - MAILED US AND CANADA, COFA, CFEL, COSA, LIMITED CACO - REVISED 10/91
The Cartridge Assemblies For the Transmission Control Solenoids Need To Be Replaced On Certain IT12B And IT14B Integrated Toolcarriers; And 910E Loaders The Cartridge Assemblies For the Transmission Control Solenoids Need To Be Replaced On Certain IT12B And IT14B Integrated Toolcarriers; And 910E Loaders
Service Letter Supplement Service Letter Supplement
Product Support Program For Repairing Rear Track Roller Frames With Cracked Tube To Bogie Plate Welds On Certain D10N Tractors Product Support Program For Repairing Rear Track Roller Frames With Cracked Tube To Bogie Plate Welds On Certain D10N Tractors
PSP FOR INSTALLING A NEW WINCH CONTROL VALVE TO IMPROVE INPUT CLUTCH OPERATION ON CERTAIN D5H CUSTOM SKIDDERS EQUIPPED WITH AN 8Z7530 GRAPPLE MODIFICATION - PS0546 - MAILED US AND CANADA PSP FOR INSTALLING A NEW WINCH CONTROL VALVE TO IMPROVE INPUT CLUTCH OPERATION ON CERTAIN D5H CUSTOM SKIDDERS EQUIPPED WITH AN 8Z7530 GRAPPLE MODIFICATION - PS0546 - MAILED US AND CANADA
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SERVICE LETTER SUPPLEMENT FOR MARCH 15, 1991 SL - PRIORITY - REINFORCING PLATES NEED TO BE INSTALLED ON THE DRAFT TUBES OF CER TAIN 631E AND 637E SCRAPERS - PI3525 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA SERVICE LETTER SUPPLEMENT FOR MARCH 15, 1991 SL - PRIORITY - REINFORCING PLATES NEED TO BE INSTALLED ON THE DRAFT TUBES OF CER TAIN 631E AND 637E SCRAPERS - PI3525 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA
SERVICE LETTER EXTENSION FOR JUNE 19, 1989 SL - PSP FOR REPLACING THE CASE AND FRAME ASSEMBLY ON CERTAIN D5H AND D5H LGP TRACTORS - PS0388 - MAILED US AND CANADA, CACO, COFA, CFEL SERVICE LETTER EXTENSION FOR JUNE 19, 1989 SL - PSP FOR REPLACING THE CASE AND FRAME ASSEMBLY ON CERTAIN D5H AND D5H LGP TRACTORS - PS0388 - MAILED US AND CANADA, CACO, COFA, CFEL
SERVICE LETTER EXTENSION FOR JUNE 20, 1989 SL - PSP FOR REPLACING THE CASE AND FRAME ASSEMBLY ON CERTAIN D5H AND D5H LGP TRACTORS - PS0388 - MAILED COSA SERVICE LETTER EXTENSION FOR JUNE 20, 1989 SL - PSP FOR REPLACING THE CASE AND FRAME ASSEMBLY ON CERTAIN D5H AND D5H LGP TRACTORS - PS0388 - MAILED COSA
PSP FOR REWORKING AND UPDATING THE WINCH ON CERTAIN 518 SKIDDERS - PS4663 - MAILED US AND CANADA PSP FOR REWORKING AND UPDATING THE WINCH ON CERTAIN 518 SKIDDERS - PS4663 - MAILED US AND CANADA
Product Support Program For Replacing The Pulse Deflector In Certain Challenger 65 Tractors, 235C Excavators, 621S Scrapers, And 637E Scrapers Product Support Program For Replacing The Pulse Deflector In Certain Challenger 65 Tractors, 235C Excavators, 621S Scrapers, And 637E Scrapers
Product Support Program For Replacement Core On Certain 953 Loaders Product Support Program For Replacement Core On Certain 953 Loaders
Product Support Program For Installing A Hydraulic Oil Cooler Conversion Arrangement On Certain D6H Tractors Product Support Program For Installing A Hydraulic Oil Cooler Conversion Arrangement On Certain D6H Tractors
SERVICE LETTER SUPPLEMENT FOR FEBRUARY 24, 1991 SL - PRIORITY - PARTS STOCK ACTION NEEDED - NEW VALVE LOCKS NEED TO BE INS TALLED ON CERTAIN D4E, D5B, D6D, D6E, D8L TRACTORS; 930R, 966R WHEEL LOADERS; 120G, 140G MOTOR GRADERS; 621S SCRAPERS; 3306, 34 SERVICE LETTER SUPPLEMENT FOR FEBRUARY 24, 1991 SL - PRIORITY - PARTS STOCK ACTION NEEDED - NEW VALVE LOCKS NEED TO BE INS TALLED ON CERTAIN D4E, D5B, D6D, D6E, D8L TRACTORS; 930R, 966R WHEEL LOADERS; 120G, 140G MOTOR GRADERS; 621S SCRAPERS; 3306, 34
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SERVICE LETTER SUPPLEMENT FOR MAY 29, 1991 SL - PSP FOR INSTALLING NEW FINAL DRIVE GEARS AND RELATED PARTS ON CERTAIN 518 AND 528 GRAPPLE SKIDDERS - PS0513 - MAILED US AND CANADA, COFA, CFEL, COSA, LIMITED CACO SERVICE LETTER SUPPLEMENT FOR MAY 29, 1991 SL - PSP FOR INSTALLING NEW FINAL DRIVE GEARS AND RELATED PARTS ON CERTAIN 518 AND 528 GRAPPLE SKIDDERS - PS0513 - MAILED US AND CANADA, COFA, CFEL, COSA, LIMITED CACO
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PARTS STOCK ACTION ONLY - 8R6769 SHAFT ASSEMBLIES IN PARTS STOCK NEED TO BE INSPECTED FOR CORRECT YOKE DRIVE SLOT WIDTH - PI7 270 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - 8R6769 SHAFT ASSEMBLIES IN PARTS STOCK NEED TO BE INSPECTED FOR CORRECT YOKE DRIVE SLOT WIDTH - PI7 270 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA
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