PRODUCT SUPPORT PROGRAM FOR REPLACING LEAKING AND BLISTERING XT-5 HOSES ON CERTAIN 320C EXCAVATORS IN CCL TERRITORY

Usage:

Caterpillar: Confidential Yellow

PRODUCT SUPPORT PROGRAM FOR REPLACING LEAKING AND BLISTERING XT-5 HOSES ON CERTAIN 320C EXCAVATORS IN CCL TERRITORY

SEBE7779

September 30, 2001
H-90

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*After failure only*	PRODUCT SUPPORT PROGRAM FOR REPLACING LEAKING AND BLISTERING XT-5 HOSES ON CERTAIN 320C EXCAVATORS IN CCL TERRITORY
5057		PS50322

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 "PS50322" 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.

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.

TERMINATION DATE

September 30, 2002

PROBLEM

Leaking and blistering XT-5 hoses need to be replaced on certain 320C Excavators in CCL territory. Some high-pressure XT-5 hydraulic hose assemblies in the front and pump lines groups experience oil leakage and blistering problems. Hose assemblies showing these problems need to be replaced with new XT-6ES hose assemblies.

AFFECTED PRODUCT

***** Group 1 - XT-5 Front and Pump Lines groups *****

320C         BPR100-458
             BRX116-235
             AMC106, 145-203, 229-247, 250-302, 307-308, 344-353,
                355-380, 475-476, 510-533

***** Group 2 - Front Lines group only *****

320C BPR459-495
BRX236-247

PARTS NEEDED

***** Group 1 *****

1 - 2076571 Hose Assembly
1 - 2076572 Hose Assembly
1 - 2076573 Hose Assembly
2 - 2076574 Hose Assembly
1 - 2076575 Hose Assembly
4 - 2076576 Hose Assembly

***** Group 2 *****

1 - 2076573 Hose Assembly

ACTION REQUIRED

See the attached rework procedure.

SERVICE CLAIM ALLOWANCES

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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 ***
0-4000 / 0-24 mo	100%	8	0	0	0	0
NOTE: This is a 8-hour job.
*** Group 2 ***
0-4000 / 0-24 mo	100 %	6	0	0	0	0
NOTE: This is a 6-hour job.

PARTS DISPOSITION

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

Attach. (1-Rework Procedure)

Rework Procedure

Position machine and front linkage to safely service machine.

For Group 1 machines, if a failure occurs, all front and pump hoses are XT-5 and are to be replaced with new XT-6ES hose assemblies. For Group 2 machines, replace all eight XT-5 front hose assemblies with XT-6ES hose assemblies if a failure occurs. For all affected product, replace the XT-5 front lines group, hose assemblies with XT-6ES hose assemblies as follows, quantities are in parenthesis:

(2) 1875954 replaced with (2) 2076574
(4) 1241047 replaced with (4) 2076576
(1) 1653185 replaced with (1) 2076575
(1) 1876710 replaced with (1) 2076573

In addition to the front lines group hose replacement, the products in Group 1 have XT-5 pump lines group hose assemblies that may need to be replaced with XT-6ES hose assemblies as follows, quantities are in parenthesis:

(1) 1797863 replaced with (1) 2076571
(1) 1797867 replaced with (1) 2076572