PRODUCT SUPPORT PROGRAM FOR REWORKING THE BOOM CYLINDER, STICK CYLINDER, AND GRAPPLE CYLINDERS ON CERTAIN 559D AND 2384D KNUCKLE BOOM LOADERS Caterpillar


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PRODUCT SUPPORT PROGRAM FOR REWORKING THE BOOM CYLINDER, STICK CYLINDER, AND GRAPPLE CYLINDERS ON CERTAIN 559D AND 2384D KNUCKLE BOOM LOADERS [UEBE1276]
HYDRAULIC SYSTEM
CYLINDER GP
PRODUCT SUPPORT PROGRAM FOR REWORKING THE BOOM CYLINDER, STICK CYLINDER, AND GRAPPLE CYLINDERS ON CERTAIN 559D AND 2384D KNUCKLE BOOM LOADERS
UEBE1276-00

28Oct2020


U-629

 

Before/After

  
  

PRODUCT SUPPORT PROGRAM FOR REWORKING THE BOOM CYLINDER, STICK CYLINDER, AND GRAPPLE CYLINDERS ON CERTAIN 559D AND 2384D KNUCKLE BOOM LOADERS

5456 5458
PS46900
NOTE:

AVSpare’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 AVSpare.

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 "PS46900" 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.

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 AVSpare product analyst.


TERMINATION DATE

31Oct2022

PROBLEM

The boom cylinder piston wear rings can fail on certain 559D and 2384D Knuckle Boom Loaders. If the existing piston wear rings fail, damage to the cylinder piston and inside of the cylinder can occur.

AFFECTED PRODUCT

Model Identification Number
2384D  KP500200-00252
559D  KL500100-00336

PARTS NEEDED

Qty

Part Number Description
1 4988416 CYL GP-SEAL (After Failure Only)
2 5956136 SEAL KT
1 5956140 SEAL KT (Before Failure Only)
1 5956141 SEAL KT
1 6025703 PISTON (Before Failure Only)
1 6025704 PISTON
2 6025709 PISTON
1 BULK_OIL AVS HYDO (302 LITERS) (After Failure Only)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 10% 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

Before Failure:

1. Rework the 498-8416 Boom Cylinder with a 595-6140 Seal Kit and a 602-5703 Piston.

2. Rework the 498-8417 Stick Cylinder with a 595-6141 Seal Kit and a 602-5704 Piston.

3. Rework each of the two 498-8422 Grapple Cylinders with a 595-6136 Seal Kit and a 602-5709 Piston.

After Failure of the 498-8416 Boom Cylinder:

1. Replace the 498-8416 Boom Cylinder with a new 498-8416 Boom Cylinder.

2. Rework the 498-8417 Stick Cylinder with a 595-6141 Seal Kit and a 602-5704 Piston.

3. Rework each of the two 498-8422 Grapple Cylinders with a 595-6136 Seal Kit and a 602-5709 Piston.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
0-4000 hrs,
0-24 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
4001-5000 hrs,
25-30 mo 
33.0%
30.0%
0.0%
20.0%
50.0%
50.0%
5001-6000 hrs,
31-36 mo 
33.0%
0.0%
0.0%
50.0%
50.0%
50.0%
 NOTE: This is a 20.0-hour job
Dealer is allowed to sub-contract to Weiler Forestry the removal and installation, and the rework of the boom cylinder, stick cylinder, and two grapple cylinders.
Parts required for rework of the cylinders are available from Weiler Forestry.
Dealer may claim for the sub-contracting as a miscellaneous expense line. The claim story should detail the labor hours and the labor rate, and the repair parts costs, for the miscellaneous expenses.
Retain a copy of the 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

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

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