PRODUCT SUPPORT PROGRAM FOR REWORKING THE BREAKER PANEL ACCESS DOOR ON CERTAIN 521 AND 522 CATERPILLAR TRACK FELLER BUNCHERS AND 2491 PRENTICE TRACK FELLLER BUNCHERS MANUFACTURED BY CATERPILLAR Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORKING THE BREAKER PANEL ACCESS DOOR ON CERTAIN 521 AND 522 CATERPILLAR TRACK FELLER BUNCHERS AND 2491 PRENTICE TRACK FELLLER BUNCHERS MANUFACTURED BY CATERPILLAR

Usage:

REBE4560-00

Show/hide table

12Nov2008

U-570

A-474

D-486

Show/hide table

*Before/After*	PRODUCT SUPPORT PROGRAM FOR REWORKING THE BREAKER PANEL ACCESS DOOR ON CERTAIN 521 AND 522 CATERPILLAR TRACK FELLER BUNCHERS AND 2491 PRENTICE TRACK FELLLER BUNCHERS MANUFACTURED BY CATERPILLAR
7251		PS42826

Show/hide table

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 "PS42826" 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.

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

30Nov2010

PROBLEM

Show/hide table

The existing access door can bind against the breaker panel on certain 521 and 522 Caterpillar Track Feller Bunchers and 2491 Prentice Track Feller Bunchers. If the existing access door binds, it will not allow access to the breaker panel and could cause breaker panel damage.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
2491	P5J00250
511	51100294-00296
522	52200256

PARTS NEEDED

Show/hide table

No parts needed for this program

ACTION REQUIRED

Show/hide table

Refer to the attached Rework Procedures.

Show/hide table

SERVICE CLAIM ALLOWANCES

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%
0-2000 hrs, 0-12 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2001-4000 hrs, 13-24 mo	33.3%	50.0%	0.0%	0.0%	50.0%	50.0%

Show/hide table

NOTE: This is a 2.0-hour job

Show/hide table

PARTS DISPOSITION

Show/hide table

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

Rework Procedure

Show/hide table

Remove the access door from the right side of the engine enclosure. Refer to Image 1.1.1.

Image1.1.1

After the door has been removed, measure up from the bottom of the door frame 46 mm. Refer to Image 1.2.1. From this point, measure an 18 mm wide section of the door frame for a length of 464 mm.

Image1.2.1

Using an appropriate cutting device, remove the measured area from the door frame.

When finished, grind the cut edges of the door frame smooth and touch up with paint.

Reinstall door and frame assembly and tighten bolts.