PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE HYDRAULIC PILOT MANIFOLD ACCUMULATOR GROUP ON CERTAIN 329EL EXCAVATORS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE HYDRAULIC PILOT MANIFOLD ACCUMULATOR GROUP ON CERTAIN 329EL EXCAVATORS

Usage:

TEBE0263-01

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10Sep2013

(Revised 03Dec2013)

U-410

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE HYDRAULIC PILOT MANIFOLD ACCUMULATOR GROUP ON CERTAIN 329EL EXCAVATORS
5077 4263 4331 7336		PI32225

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI32225" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI32225" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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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.

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NOTE:	This Revised Service Letter replaces the 10Sep2013 Service Letter. Changes have been made to the Action Required.

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COMPLETION DATE	TERMINATION DATE
31Mar2014	30Sep2014

PROBLEM

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An incorrect hydraulic accumulator group has been shipped on certain 329EL Excavators that are intended for Canada. The 164-6981 Hydraulic Accumulator Group does not have the Canadian Registration Number (CRN) and is not allowed to operate in Canada.

AFFECTED PRODUCT

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Model

Identification Number

329E L

PLW00239-00242, 253, 265, 271-272, 277-278, 287, 292, 296, 314, 336-337, 345, 350, 354-355, 357, 359, 363, 373, 381, 386, 396, 402, 405, 420, 425, 434, 438, 455, 457, 459, 461-462, 485, 495, 504, 514, 520, 535, 541, 554, 557, 560, 568, 573, 581-582, 599, 621-623, 634, 638-639, 644, 646, 650, 663, 669-670, 673, 686, 689, 695-696, 699-701, 703-704, 706-708, 724, 726, 743, 745, 748, 750, 778-783, 787, 794, 797, 800, 811, 814-816, 819-820, 822-825, 853, 856, 858, 860, 871, 886-887, 892, 898, 901, 903, 956, 959-967, 971-972, 975, 977, 979-980, 982-983, 992, 994, 998, 1000, 1002, 1015, 1017-1020, 1022, 1024, 1036, 1038, 1046-1057, 1060, 1090, 1117-1118, 1158, 1179-1180, 1235, 1237, 1240-1241, 1283-1284, 1286, 1288, 1295-1296, 1312, 1334, 1336, 1343, 1352, 1354, 1358-1359, 1364, 1369-1371, 1373, 1379-1381, 1383, 1386-1387, 1389, 1391, 1394-1395

PARTS NEEDED

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Qty	Part Number	Description
1	3K0360	SEAL-O-RING (Before Failure Only)
1	3526990	ACCUMULATOR GP (Before Failure Only)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 34% 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

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Check your machine and verify that the correct 352-6860 Hydraulic Accumulator Group is installed. Refer to Image1.

1. Remove the bottom guard under the main valve.

2. Check the part number of the hydraulic accumulator group.

3. If the 164-6981 Hydraulic Accumulator Group is found, it is not correct. Replace the 164-6981 Hydraulic Accumulator Group with the correct 352-6860 Hydraulic Accumulator Group. Also install a 3K-0360 O-Ring Seal.

Refer to KENR9844, Disassembly and Assembly, "Accumulator - Remove and Install", in order to complete the removal and installation procedure.

Refer to UENR1525, Testing and Adjusting, "Accumulator (Pilot) - Test and Charge", in order to charge the accumulator.

4. Reassemble the bottom guard under the main valve. Tighten the bolts to a specified torque of 100 +/- 20 N.m.

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Image1

OWNER NOTIFICATION

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Owners in the following countries will receive the attached Owner Notification:
US
Canada

SERVICE CLAIM ALLOWANCES

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Caterpillar		Dealer Suggested		Customer Suggested
Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
100%	100%	0%	0%	0%	0%

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NOTE: This is a 1.0-hour job

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PARTS DISPOSITION

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

MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

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EXAMPLE COPY OF OWNER NOTIFICATION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE PILOT MANIFOLD ACCUMULATOR GROUP

MODELS INVOLVED - CERTAIN 329EL EXCAVATORS

Dear Cat Product Owner:

The hydraulic pilot manifold accumulator needs to be inspected and replaced on the products listed below. The existing hydraulic accumulator group may not be in accordance with Canadian BC/AL regulation. You will not be charged for the service performed.

Contact your local Cat dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.

If you are no longer the owner of this product(s), please contact your local Cat dealer so that our records can be updated.

Please refer the dealer to their Service Letter dated 10Sep2013 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to 10Sep2013 Service Letter