PRODUCT SUPPORT PROGRAM FOR REWORKING THE BRAKE CHARGE PUMP ON CERTAIN 773G AND 775G OFF-HIGHWAY TRUCKS Caterpillar


PRODUCT SUPPORT PROGRAM FOR REWORKING THE BRAKE CHARGE PUMP ON CERTAIN 773G AND 775G OFF-HIGHWAY TRUCKS

Usage:

TEBE3434-01

04Aug2015
(Revised 01Sep2015)


R050
R05Z
R120
R12Z

 
Containment -
Before/After

 (Limited distribution) 
 Parts stock action needed 

PRODUCT SUPPORT PROGRAM FOR REWORKING THE BRAKE CHARGE PUMP ON CERTAIN 773G AND 775G OFF-HIGHWAY TRUCKS

7750 5073
PS90515
NOTE:

Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.

NOTE:

This Containment Program can be administered either before or after a failure occurs. In either case the decision whether to apply the Program is made by the dealer and service rep. Obtain the service reps Goodwill Approver Code before completing the repair. EAME dealers should use their standard Industry Group specific goodwill approval codes. The Goodwill Approver Code must be included when submitting the claim.

NOTE:

When reporting the repair, use "PS90515" as the Part Number and "7777" as the Group Number. If administered before failure, use "56" as Warranty Claim Description and "T" as the SIMS Description Code. If administered after failure, use "96" as Warranty Claim Description Code and use "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:

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 04Aug2015 Service Letter. Changes have been made to the Parts Needed.


TERMINATION DATE

31Aug2017

PROBLEM

The existing brake charge pump can fail on certain 773G and 775G Off-Highway Trucks due to premature internal bushing failures.

AFFECTED PRODUCT

Model Identification Number
773G  MWH00247, 311-312, 319-321, 330
775G  RFM00314, 407, 574, 578, 598-603, 605-606, 664-665, 676, 684-685

PARTS NEEDED

Qty

Part Number Description
1 3624838 KIT-SEAL
1 3624850 KIT-SEAL
4 4563687 BUSHING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 9% 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 ****

1. Remove all 366-9272 Brake Charge Pumps from dealer parts stock with the following pump serial numbers: XF-01562, XF-01564, XI-00088 and X1-00096

2. Rework all four of these 366-9272 Brake Charge Pumps as described in action required for the Affected Product.

3. Return the reworked 366-9272 Brake Charge Pumps to dealer parts stock.

 
 
****Affected Product****
1. Remove the 367-1935 Gear Pump (Hoist and Brake). Refer to Disassembly and Assembly, 773G and 775G Off-Highway Trucks Machine Systems, KENR9969 "Gear Pump (Hoist, Brake) ? Remove"

2. Disassemble 366-9272 Gear Pump (Brake). Refer to Disassembly and Assembly, 773G and 775G Off-Highway Trucks Machine Systems, KENR9969 "Gear Pump (Hoist, Brake) ? Disassemble."


3. Remove the 366-9272 Bushings. Refer to Reuse And Salvage Guidelines, SEHS8428, "Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps".
Note, The 8T-9137 Bushing Removal Tool is required to properly remove the bushings from this pump.

4. Install new 455-9314 Bushings. Refer to Reuse And Salvage Guidelines, SEHS8428, "Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps".
Note: The 8T-0880 Bushing Installer Group is required to properly install the bushings into this pump.

5. Assemble 366-9272 Gear Pump (Hoist and Brake). Refer to Disassembly and Assembly, 773G and 775G Off-Highway Trucks Machine Systems, KENR9969 "Gear Pump (Hoist, Brake) ? Assemble."

6. After the 366-9272 Gear Pump (Brake) has been rebuilt with the new bushings, stamp an X into the metal serial number plate above the pump serial number (1), to designate improved bearings were installed in the rebuilt pump.

7. See the illustration below (1).


8. Install 367-1935 Gear Pump (Hoist and Brake). Refer to Disassembly and Assembly, 773G and 775G Off-Highway Trucks Machine Systems, KENR9969 "Gear Pump (Hoist, Brake) ? Install."
Image1

SERVICE CLAIM ALLOWANCES

****Parts Stock****

Submit one claim for all parts reworked in dealer parts stock.
Three hours labor and the following parts will be allowed for each dealer parts stock pump that will be reworked: Quantity of four 456-3687 Bushings and quantity of one 362-4838 Seal Kit.

 
 
****Affected Product****
Product smu/age whichever comes first
Caterpillar
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
0-15000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 8.0-hour job



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.

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