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


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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

22Jan2020
(Revised 07Apr2020)


E500

 

Before/After

 (Limited distribution) 
  

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

1214
PS46554
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.

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.

 
NOTE:

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


TERMINATION DATE

31Jan2022

PROBLEM

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

AFFECTED PRODUCT

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

PARTS NEEDED

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

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.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
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%
 NOTE: This is a 240.0-hour job



PARTS DISPOSITION

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

Information System:

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PRODUCT SUPPORT PROGRAM FOR REWORKING THE 379-3544 CAB DOOR GROUP ON CERTAIN 777E OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE STEERING LINES ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE BAFFLE GROUP ON CERTAIN 140GC MOTOR GRADERS
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PRODUCT SUPPORT PROGRAM FOR UPDATING OR INSTALLING PRODUCT LINK PL641 CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS AND NON-CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REPLACING A POWERTAIN HOSE ON CERTAIN 773G AND 775G OFF-HIGHWAY TRUCKS DUE TO ABRASION
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL243 CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSPECTING THE CAMSHAFT ON CERTAIN 793F OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR ENABLING THE DESULFATION PROCEDURE ON CERTAIN CP44B AND CS44B VIBRATORY COMPACTORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING THE 8X-7948 AXLE SHAFT ON CERTAIN 777E OFF-HIGHWAY TRUCKS
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PRODUCT SUPPORT PROGRAM FOR REPLACING THE BEARINGS ON THE DIFFERENTIAL BEVEL GEAR GROUP ON CERTAIN 966L, 966M, 966M XE, 972L, 972M, AND 972M XE MEDIUM WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PROPEL LEVER ON CERTAIN AP1055F, AP1000F, AP655F, AP600F, AP555F, AP500F, AP355F AND AP300F ASPHALT PAVERS
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PRODUCT SUPPORT PROGRAM FOR UPDATING OR INSTALLING PRODUCT LINK PL641 CELLULAR RADIOSYSTEMS ON CERTAIN CATERPILLAR PRODUCTS AND NON-CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR UPDATING OR INSTALLING PRODUCT LINK NETWORK MANAGER ECM ON CERTAIN INDUSTRIAL ENGINES
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