PRODUCT SUPPORT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE OIL COOLER HOUSING BOLTS AND THE OIL FILTER HOUSING BOLTS ON CERTAIN 793F, 793F CMD, 793F XQ, 795F AC, 797F, AND 797F XQ OFF-HIGHWAY TRUCKS Caterpillar


PRODUCT SUPPORT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE OIL COOLER HOUSING BOLTS AND THE OIL FILTER HOUSING BOLTS ON CERTAIN 793F, 793F CMD, 793F XQ, 795F AC, 797F, AND 797F XQ OFF-HIGHWAY TRUCKS

Usage:

REBE7906-02

01Feb2012
(Revised 13Sep2012)


U-58
A-49
D-51
O-55

 

Before/After

  
 Parts stock action needed 

PRODUCT SUPPORT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE OIL COOLER HOUSING BOLTS AND THE OIL FILTER HOUSING BOLTS ON CERTAIN 793F, 793F CMD, 793F XQ, 795F AC, 797F, AND 797F XQ OFF-HIGHWAY TRUCKS

1000
PS43499
NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS43499" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

NOTE:

When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7755" as the Group Number, "56" as the Description Code.

NOTE:

Although this Program is to be administered as described above on the Affected Product, parts should be removed from parts stock as soon as possible.

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.

 
NOTE:

This Revised Service Letter replaces the 01Feb2012 (Revised 04Sep2012) Service Letter. Changes have been made to the Action Required and Service Claim Allowances.


TERMINATION DATE

28Feb2014

PROBLEM

The existing bolts may come loose on certain 793F, 793F CMD, 793F XQ, 795F AC, 797F, and 797F XQ Off-Highway Trucks. If the existing bolts come loose it may result in an oil leak.

AFFECTED PRODUCT

Model Identification Number
*******Group  1*******
797F  LAJ00141-00311
797F XQ  WSP00100-00106, 108-110
*******Group  2*******
795F AC  ERM00151-00213
*******Group  3*******
793F  SSP00112-00199, 201-501, 504-505
793F CMD  RBT00111-00118
793F XQ  SND00100-00114

PARTS NEEDED

Qty

Part Number Description
*******Group 1*******
8 6V3823 BOLT (if required)
3 6V5842 BOLT (if required)
6 6V7673 BOLT (if required)
4 8C3281 BOLT (if required)
6 8T0372 BOLT (if required)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 19% 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.
*******Group 2*******
8 6V3823 BOLT (if required)
6 6V7673 BOLT (if required)
2 8C2926 BOLT (if required)
4 8C3281 BOLT (if required)
4 8T0279 BOLT (if required)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 19% 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.
*******Group 3*******
8 6V3823 BOLT (if required)
6 6V7673 BOLT (if required)
2 8C2926 BOLT (if required)
4 8C3281 BOLT (if required)
4 8T0279 BOLT (if required)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 19% 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

****Parts Stock ****

NOTE: DO NOT REMOVE BOLTS THAT ARE IN DEALER PARTS STOCK.

Rework the following engines in dealer parts stock and/or dealer exchange inventory:

262-1300, 282-2060, 360-1647, 365-9326, 365-9327, 365-9328, and 365-9329 Service Replacement C175-20 Engines with a LLM prefix.
Rework all engines built prior to LLM00367. Refer to Rework Procedure for Group 1.

288-8962, 300-8722, 314-2486, 328-1440, 328-1440, 365-9324, 365-4345, 365-9325, 365-4345 Service Replacement C175-16 Engines with a JTL prefix.
Rework all engines built prior to JTL00271. Refer to Rework Procedure for Group 2.

250-7100, 281-6501, 314-2485, 360-1646, 365-9318, 365-9319, 365-9320, and 365-9321 Service Replacement C175-16 Engines with a B7B prefix.
Rework all engines built prior to B7B00580. Refer to the Rework Procedure for Group 3.

 
 
****Affected Product****
Refer to the attached Rework Procedure.

NOTE: In order to prevent unnessesary downtime, this service letter can be performed during the Off-Highway Truck's next PM.

SERVICE CLAIM ALLOWANCES

****Parts Stock****

Submit one claim for all engines reworked in dealer parts stock and/or dealer exchange inventory. The parts listed in the Parts Needed for the appropriate group will be allowed for each engine that is reworked. 1 hour labor will be allowed for engine that is reworked. Include the engine serial numbers and arrangement numbers in the service claim story.

 
 
****Affected Product****
Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 1*******
0-12500 hrs,
0-80 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 1.0-hour job for Group 1

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 2*******
0-12500 hrs,
0-80 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 1.0-hour job for Group 2

Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 3*******
0-12500 hrs,
0-80 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 1.0-hour job for Group 3



PARTS DISPOSITION

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

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



Rework Procedure


Group Number 1  
 
1. Refer to Image 1.1.1. Perform a torque check 100 +/- 20 Nm (74 +/- 15 ft-lbs) on the four 8C-3281 Bolts that attach the oil filter housing to the mounting bracket.
If any broken or extremely loose bolts are found, replace all bolts.
Image1.1.1
 
2. Refer to Image 1.2.1. Perform torque check 100 +/- 20 Nm (74 +/- 15 ft-lbs) on the six 8T-0372 Bolts that attach the mounting bracket to the block.
If any broken or extremely loose bolts are found, replace all bolts.
Image1.2.1
 
3. Refer to Image 1.3.1. Perform a torque check 55 +/- 10 Nm (41 +/- 7 ft-lbs) on the three 6V-5842 Bolts that attach the mounting bracket to the oil pan.
If any broken or extremely loose bolts are found, replace all bolts.
Image1.3.1
 
4. Refer to Image 1.4.1. Perform a torque check 100 +/- 20 Nm (74 +/- 15 ft-lbs) on the 14 bolts that attach the oil cooler to the block.
If any broken or extremely loose bolts are found, replace all bolts.
Image1.4.1
 
 
Group Number 2   Group Number 3  
 
1. Refer to Image 2.1.1. Perform a torque check 100 +/- 20 Nm (74 +/- 15 ft-lbs) on the eight bolts that attach the oil filter housing to the mounting bracket and the mounting bracket to the block.
If any broken or extremely loose bolts are found, replace all bolts.
Image2.1.1
 
2. Refer to Image 2.2.1. Perform a torque check 55 +/- 10 Nm (41 +/- 7 ft-lbs) on the two 8C-2926 Bolts that attach the mounting bracket to the oil pan.
If any broken or extremely loose bolts are found, replace all bolts.
Image2.2.1
 
3. Refer to Image 2.3.1. Perform a torque check 100 +/- 20 Nm (74 +/- 15 ft-lbs) on the 14 bolts that attach the oil cooler to the block.
If any broken or extremely loose bolts are found, replace all bolts.
Image2.3.1
 
 

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