PRODUCT SUPPORT PROGRAM FOR REPLACING THE PISTONS ON CERTAIN 793F OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PISTONS ON CERTAIN 793F OFF-HIGHWAY TRUCKS [UEBE0127]

BASIC ENGINE

PISTON & ROD GP

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PISTONS ON CERTAIN 793F OFF-HIGHWAY TRUCKS

UEBE0127-02

Show/hide table

22Jan2020

(Revised 07Apr2020)

E500

Show/hide table

Before/After (Limited distribution)	PRODUCT SUPPORT PROGRAM FOR REPLACING THE PISTONS ON CERTAIN 793F OFF-HIGHWAY TRUCKS
1214		PS46554

Show/hide table

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 "PS46554" 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 AVSpare product analyst.

Show/hide table


NOTE:	This Revised Service Letter replaces the 22Jan2020 (Revised 27Jan2020) Service Letter. Changes have been made to the Parts Needed.

Show/hide table

TERMINATION DATE

31Jan2022

PROBLEM

Show/hide table

Pistons installed in certain C175-16 Engines may crack on certain 793F Off-Highway Trucks.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
793F	D3T00144-00145, 148-151, 154-155, 158-159

PARTS NEEDED

Show/hide table

Qty	Part Number	Description
4	3P0656	SEAL-O-RING
24	5H6733	SEAL-O-RING
1	5P4057	SEAL-O RING
4	6V1196	SEAL-O-RING
1	6V3968	SEAL-O-RING
16	8T0106	BOLT-HEX HEAD
1	8T0372	BOLT
8	20R2805	ROD GP-CONN
8	20R2806	ROD GP-CONN
1	1076280	SEAL-O-RING
1	1776911	SEAL-O-RING
16	2153198	SEAL-FUEL SYSTEM
64	2287089	SEAL-O-RING-ORFS
1	2300940	SEAL-PIP
32	2531238	RETAINER-PIN
32	2539950	SEAL-O-RING
16	2542054	RING-PISTON-OIL
16	2589925	GASKET-COMB
16	2589926	GASKET
4	2697885	SEAL-O-RING
16	2868928	RING-PISTON
4	3449285	RING
16	3618205	SEAL-FUEL SYSTEM
16	3618206	SEAL-FUEL SYSTEM
16	3618207	SEAL-FUEL SYSTEM
16	3708028	SEAL-INTEGRAL
16	3766458	BEARING-CONN ROD
16	3813969	SLEEVE
1	3917216	SEAL-PIP
1	3917217	SEAL-PIP
16	3924608	PIN-PISTON
32	4226176	SEAL-O-RING
4	4435940	BELLOWS AS
16	4714230	LINER-CYLINDER
16	4772235	PISTON AS
16	4772236	RING-PISTON
8	4906439	CLAMP
32	4983113	INSERT-BOLT
2	5216093	ELEMENT-LUBE OIL
28	5247818	SEAL-O-RING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% 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

Show/hide table

Replace all of the 477-2237 Pistons and related components with 477-2235 Pistons.

Refer to Disassembly and Assembly, M0080117 for cylinder pack removal and installation.

Show/hide table

SERVICE CLAIM ALLOWANCES

Show/hide table

Product smu/age whichever comes first	AVSpare		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-25000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%