PRODUCT SUPPORT PROGRAM FOR REPLACING THE 191-2646 OR 267-6788 BEARING GEAR GROUP ON CERTAIN 365B L SERIES II, 365B L SERIES II FS, 365B L SERIES II MH, 365C L, 365C L FS, 365C L MH, AND 365C L CIPI EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE 191-2646 OR 267-6788 BEARING GEAR GROUP ON CERTAIN 365B L SERIES II, 365B L SERIES II FS, 365B L SERIES II MH, 365C L, 365C L FS, 365C L MH, AND 365C L CIPI EXCAVATORS

Usage:

REBE6081-00

Show/hide table

13Aug2010

U-324

A-254

D-278

O-282

Show/hide table

After Failure Only Parts stock action needed	PRODUCT SUPPORT PROGRAM FOR REPLACING THE 191-2646 OR 267-6788 BEARING GEAR GROUP ON CERTAIN 365B L SERIES II, 365B L SERIES II FS, 365B L SERIES II MH, 365C L, 365C L FS, 365C L MH, AND 365C L CIPI EXCAVATORS
7063 7750		PS51882

Show/hide table

NOTE:

This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS51882" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

Show/hide table

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.

Show/hide table

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.

Show/hide table

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.

Show/hide table

TERMINATION DATE

31Aug2013

PROBLEM

Show/hide table

The existing 199-4564 or 267-6788 Bearing Gear Group can fail on certain 365B L Series II, 365B L Series II FS, 365B L Series II MH, 365C L, 365C L FS, 365C L MH, and 365C L CIPI Excavators. The gear bearing may crack in the outer ring and in the longitudinal axis at the rear side (counterweight side) through the bolt hole, holding the gear on the upper structure.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
*****Group 1*****
365B L II	DER00101-00263 JMB00276-00557
365B L II FS	PEG00111-00122
365B L II MH	SDL00116-00119
CIPI	0EM00281-00282, 507-515, 517-526, 531-543, 552-565, 578-579, 584-1311, 1314-1950, 1954-2161, 2166-2194, 7132

Show/hide table

*****Group 2*****
365C L	ELC00156-00213 FEN00117-00133 MCS00178-00191, 193-364 MCY00185-00239, 241 MEM00171-00274
365C L FS	PAR00250-00262
365C L MH	GWC00226-00228
CIPI	0EM01312-01313

PARTS NEEDED

Show/hide table

Qty	Part Number	Description
*****Group 1*****
60	1719285	BOLT
37	1719325	BOLT
97	1994501	SPACER
1	3421895	TUBE AS-RH
1	3421896	TUBE AS-LH
1	3530598	GEAR GP-BRG&BSC
6	LOCTITE	HIGH FLEX GM 50ML
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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*****
60	1719285	BOLT
37	1719325	BOLT
97	1994501	SPACER
1	3421895	TUBE AS-RH
1	3421896	TUBE AS-LH
1	3530598	GEAR GP-BRG&BSC
6	LOCTITE	HIGH FLEX GM 50ML
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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

Show/hide table

****Parts Stock ****

Remove all 199-4564 and 267-6788 Bearing Gear Groups from dealer parts stock.

****Affected Product****

Show/hide table

If you observe a crack in the longitudinal axis at the rear side (counterweight side) through the bolt hole, replace the cracked 199-4564 or 267-6788 Bearing Gear Group. Refer to the attached Rework Procedure.

Show/hide table

SERVICE CLAIM ALLOWANCES

Show/hide table

****Parts Stock****

Submit one claim for all parts removed from dealer parts stock.

****Affected Product****

Show/hide table

Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 1*****
0-8000 hrs, 0-36 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
8001-12000 hrs, 37-48 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 32.0-hour job for Group 1 If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.

Show/hide table

Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 2*****
0-8000 hrs, 0-36 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
8001-12000 hrs, 37-48 mo	33.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 32.0-hour job for Group 2 If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.

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

Refer to the Disassembly and Assembly Manual for your model to replace the failed bearing gear group.

NOTE: THE REMOVED BOLTS CAN NOT BE REUSED. NEW BOLTS MUST BE INSTALLED.

Replace the cracked 199-4564 or 267-6788 Bearing Gear Group with the 353-0598 Bearing Gear Group. Refer to Image 1.1.1. Apply Loctite High Flex GM on the swing bearing outer race at inward and outward and around all bolt holes. Refer to Image 1.1.2. Apply Loctite High Flex GM between the mating surface of the gear group and upper frame assembly and between the gear group and carbody. Refer to Image 1.1.3.

Replace (60) 199-4501 Spacers (inner) and (60) 171-9285 Bolts (inner). Apply Loctite Corp. industrial group adhesive N?277 to threads omitting the bolt seats and tighten to a torque of 400 +/- 50 Nm, then turn an additional 60? +/- 5?. Refer to Image 1.1.3.

Replace (37) 199-4501 Spacers (outer) and (37) 171-9325 Bolts (outer). Apply anti-seize compound to the threads omitting the bolt seats and washer faces and tighten to a torque of 900 +/- 50 Nm, then turn an additional 60? +/- 5?. Refer to Image 1.1.3.