PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER ROD ON CERTAIN GSH20B ORANGE PEEL GRAPPLES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER ROD ON CERTAIN GSH20B ORANGE PEEL GRAPPLES

Usage:

TEBE0424-01

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28Jan2014

(Revised 10Oct2014)

U-39

A-27

O-37

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER ROD ON CERTAIN GSH20B ORANGE PEEL GRAPPLES
5362		PS52594

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NOTE:	Caterpillar’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 Caterpillar.
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 "PS52594" 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.

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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 28Jan2014 Service Letter. Changes have been made to the Termination Date, Affected Product, Parts Needed, and Service Claim Allowances.

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TERMINATION DATE

30Sep2016

PROBLEM

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The existing rod eye of the cylinder can break on certain GSH20B Orange Peel Grapples. If the existing rod eye breaks the rod must be replaced.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
GSH20B	H2K00229-00307, 309, 311-312

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*****Group 2*****
GSH20B	H2N00288-00338, 340-352 H2P00236-00251

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
4	8T0333	BEARING-ALIGNING
4	8T0351	SETSCREW-SOCKET (if needed)
4	8T9599	RING-RETAINING
4	2203592	KIT-DAMPER
4	2315814	PISTON (if needed)
4	2315820	KIT-SEAL
4	4499339	ROD AS
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*****
5	8T0333	BEARING-ALIGNING
5	8T0351	SETSCREW-SOCKET (if needed)
5	8T9599	RING-RETAINING
5	2203592	KIT-DAMPER
5	2315814	PISTON (if needed)
5	2315820	KIT-SEAL
5	4499339	ROD AS
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

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If one cylinder rod fails replace all the cylinder rods.

For the serial number prefixes H2K and H2N, refer to Disassembly and Assembly, RENR9907, "Shell Assembly - Remove" and "Shell Assembly - Install".

For the serial number prefix H2P, refer to Disassembly and Assembly, RENR9914, "Shell Assembly - Remove" and "Shell Assembly - Install".

Remove the 231-5809 Cylinder from the shell assembly.
Remove the 231-5818 Cylinder Head.
Remove the set screw and 231-5814 Piston from the 449-9339 Rod. If unable to remove the piston, cut through the rod. If piston can be re-used, it is not needed to order 231-5814 Piston and 8T-0351 Set Screw.

New rod:
Assemble 8T-0333 Bearing on the rod eye and lock the bearing with 8T-9599 Retainer Ring .

Assemble 220-3592 Damper Kit in the rod. Apply thread locker to thread. Tightening should not exceed 40 Nm. Refer to Image 1.

Assemble the cylinder head, new rod, new piston and seals. Apply thread locker to thread. Tighten the piston to 200 + 20 Nm. No gap is allowed between the rod and piston.
Drill a hole to assemble the set screw, D = 6.8-A, L = 33 mm. Refer to Image 2.
Cut tread in the hole, D = M8 x 1.25-6H, L = 29 mm.
Assemble the M8 socket set screw. Apply thread locker to thread. Tighten 8T-0351 Socket Set Screw to 10 + 2 Nm.

Assemble the cylinder.
Assemble the cylinder to the shell assembly.

Repeat untill all cylinder rods have been replaced.

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Image1

Image2

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*****
0-99999 hrs, 0-999 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

NOTE: This is a 6.0-hour job for Group 1

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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 2*****
0-99999 hrs, 0-99 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%