PRODUCT SUPPORT PROGRAM FOR REWORKING THE STEERING LINES ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS Caterpillar


`
PRODUCT SUPPORT PROGRAM FOR REWORKING THE STEERING LINES ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS [UEBE0107]
STEERING SYSTEM
LINES GP
PRODUCT SUPPORT PROGRAM FOR REWORKING THE STEERING LINES ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS
UEBE0107-00

23Dec2019


U-784
A-617
D-683
O-680

 

Before/After

  
  

PRODUCT SUPPORT PROGRAM FOR REWORKING THE STEERING LINES ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS

7755 4304
PS46538
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 "PS46538" 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

31Dec2021

PROBLEM

The existing steering lines can fail on certain 794 AC, 796 AC, and 798 AC Off-Highway Trucks. The hose assembly motion during a left-hand or right-hand turn causes the two hose assemblies from the steering flow amplifier valve to the steering cylinder bulkhead plate to rub against each other resulting in a hydraulic oil leak.

AFFECTED PRODUCT

Model Identification Number
794 AC HRT00103-00104

MT500102-00107, 112-167
796 AC  HRZ00500-00507
798 AC  ST700402

PARTS NEEDED

Qty

Part Number Description
1 2P1293 LOCKNUT-BULKHEAD
7 5P7468 CLIP-HALF SLOT
7 5P7469 CLIP-HALF TANG
7 5P8444 GROMMET
2 6V8714 ADAPTER-STR
2 7X0597 WASHER-HARD
1 8T4121 WASHER-HARD
1 8T4185 BOLT-HEX HEAD
3 8T4194 BOLT-HEX HEAD
4 8T4223 WASHER-HARD
1 1325152 ADAPTER-TEE
2 1705715 SEAL-O-RING
1 1984777 WASHER-HARD
3 2287092 SEAL-O-RING-ORFS
7 2287093 SEAL-O-RING-ORFS
4 2385082 SEAL-O-RING-STOR
1 2416196 ADAPTER-TEE
3 3293356 NUT-HEX
1 5692102 HOSE AS
1 5692103 HOSE AS
1 5692147 HOSE AS
1 5692194 HOSE AS
1 5716041 HOSE AS
1 5837161 HOSE AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 29% 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

Refer to M0109258, Special Instruction, "Procedure to Improve the Steering Lines Group on Certain 794 AC, 796 AC, and 798 AC Off-Highway Trucks", to complete this Rework Procedure.

Refer to the Service Manual if/as necessary.

SERVICE CLAIM ALLOWANCES

Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
0-24000 hrs,
0-48 mo 
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
 NOTE: This is a 6.0-hour job



PARTS DISPOSITION

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

Information System:

PRODUCT SUPPORT PROGRAM FOR REWORKING THE BAFFLE GROUP ON CERTAIN 140GC MOTOR GRADERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE CAB RISER CROSSMEMBER ON CERTAIN 548 LL, 558 LL, AND 568 LL FORESTRY EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 4E-6979 PILOT MANIFOLDS IN DEALER PARTS STOCK
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HANDLE ASSEMBLY IN THE CAB LEFT HAND SIDE DOOR GROUP ON CERTAIN 773E AND 777E OFF-HIGHWAY TRUCKS
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 INSTALLING PRODUCT LINK PL542 OR PL243 CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS AND NON-CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR UPDATING OR INSTALLING PRODUCT LINK PL641 CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REPLACING INPUT TRANSFER GEAR CASE ON CERTAIN 793F, 793F CMD, AND 793F XQ OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS ON CERTAIN CATERPILLAR PRODUCTS AND NON-CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE 379-3544 CAB DOOR GROUP ON CERTAIN 777E OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND REWORKING THE BRAKE OIL FILTER GROUP ON CERTAIN 795F AC OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING STEERING COLUMN SYSTEM RELATED COMPONENTS ON CERTAIN M314F/M315F/M316F/M317F/M318F/M320F/322F WHEELED EXCAVATORS AND MH3022/MH3024/M322F MATERIAL HANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING CERTAIN POWERTRAIN HOSES ON CERTAIN 777E OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PISTONS ON CERTAIN 793F OFF-HIGHWAY TRUCKS
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
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BRAKE OIL COOLER MAY FAIL ON CERTAIN 777E OFF-HIGHWAY TRUCKS
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
PRODUCT SUPPORT PROGRAM FOR INSTALLING THE FORWARD VIEW CAMERA ON CERTAIN 950M, AND 980M WHEEL LOADERS