PRODUCT SUPPORT PROGRAM FOR INSPECTING POWER TRAIN BLOWER MOTOR ON 794 AC AND 796 AC OFF-HIGHWAY TRUCKS
7755 1636 1386 5058 1300
PS46709
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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 "PS46709" 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.
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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 AVSpare product analyst.
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NOTE:
This Revised Service Letter replaces the 11May2020 Service Letter. Changes have been made to the Termination Date, Affected Product, and Service Claim Allowances.
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TERMINATION DATE
31May2022
PROBLEM
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The existing power train blower motor can fail on new machine start up on certain 794 AC and 796 AC Off-Highway Trucks. The power train blower motor can fail due to lack of oil in the case at start up.
AFFECTED PRODUCT
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Model
Identification Number
*******Group 1*******
794 AC
HRT00101-00106
MT500121-00125, 134-140, 143-154
796 AC
HRZ00503-00507
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*******Group 2*******
794 AC
MT500155-00167
PARTS NEEDED
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Qty
Part Number
Description
*******Group 1*******
1
2P8421
ADAPTER-STR
1
6V0852
CAP-DUST
1
6V3965
ADAPTER-STR
1
1860131
SENSOR GP-SPD -A (After Failure Only)
1
2147568
SEAL-O-RING-STOR
1
2413974
VALVE GP-CHECK
1
3035861
MOTOR GP-PSV-60 (After Failure Only)
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.
*******Group 2*******
1
1860131
SENSOR GP-SPD -A (After Failure Only)
1
2413974
VALVE GP-CHECK
1
3035861
MOTOR GP-PSV-60 (After Failure Only)
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
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See Special Instruction, M0117891, "Procedure to Improve Power Train Blower Motor Service Life on Certain 794 AC, 795 AC, 796 AC, and 798 AC Off-Highway Trucks" for inspection and rework procedure.
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SERVICE CLAIM ALLOWANCES
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Product smu/age whichever comes first
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 1*******
0-12000 hrs, 0-24 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
AVSpare
Dealer Suggested
Customer Suggested
Parts %
Labor Hrs%
Parts %
Labor Hrs%
Parts %
Labor Hrs%
*******Group 2*******
0-12000 hrs, 0-24 mo
100.0%
100.0%
0.0%
0.0%
0.0%
0.0%
NOTE: This is a 6.0-hour job for Group 2
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.