Containment -
Before/After
(Limited distribution)
| PRODUCT SUPPORT PROGRAM FOR REPLACING THE COOLANT SHUNT TANK ON CERTAIN 793F OFF-HIGHWAY TRUCKS |
1354 1380
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PS90589 |
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.
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NOTE: |
This Containment Program can be administered either before or after a failure occurs.
In either case the decision whether to apply the Program is made by the dealer and service rep. Obtain the service reps Goodwill Approver Code
before completing the repair. EAME dealers should use their standard Industry Group specific goodwill approval codes. The Goodwill Approver Code must be included when submitting the claim. |
NOTE: |
When reporting the repair, use "PS90589" as the Part Number and "7777" as the Group Number.
If administered before failure, use "56" as Warranty Claim Description and "T" as the SIMS Description Code. If administered after failure, use "96" as Warranty Claim Description Code and use "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 Caterpillar product analyst. |
Engine coolant temperatures can decrease very quickly while idling on certain 793F Off-Highway Trucks. The coolant temperature can decrease from 185 degrees Fahrenheit to nearly 150 degrees Fahrenheit in a matter of minutes; engine performance may be affected. This condition is exacerbated when the air conditioning system is switched ON and the fan is turning at its minimum speed.
Overcooling can be experienced in ambient temperatures as high as 70 degrees Fahrenheit, although the condition is most prevalent at temperatures just above freezing when the air conditioning is activated for defrosting/defogging the windshield. |
Qty |
Part Number |
Description |
1 |
1P3705 |
SEAL-RECTANGULAR |
1 |
3J1907 |
SEAL-O-RING-STOR |
4 |
4B4280 |
WASHER |
1 |
6V6782 |
CLIP-TOP |
1 |
6V6783 |
CLIP-BOTTOM |
1 |
6V8397 |
SEAL-O-RING-ORFS |
1 |
6V8398 |
SEAL-O-RING-ORFS |
1 |
6V9001 |
ADAPTER-ELBOW |
1 |
6V9829 |
CAP-ORFS |
3 |
7D7233 |
CLIP-LOOP |
1 |
8C0562 |
SEAL-O-RING |
2 |
8T0389 |
LOCKNUT |
8 |
8T4121 |
WASHER-HARD |
2 |
8T4133 |
NUT |
2 |
8T4136 |
BOLT-HEX HEAD |
8 |
8T4193 |
BOLT-HEX HEAD |
2 |
8T4195 |
BOLT-HEX HEAD |
1 |
8T4196 |
BOLT-HEX HEAD |
8 |
8T4223 |
WASHER-HARD |
4 |
8T4910 |
BOLT-HEX HEAD |
1 |
8T6876 |
ADAPTER-ELBOW |
1 |
8T7926 |
ADAPTER-STR |
2 |
1291609 |
SEAL-O-RING |
2 |
1419813 |
HOSE |
1 |
2174195 |
HOSE |
4 |
2204126 |
CLAMP-T'BOLT |
4 |
2303671 |
CLAMP-T'BOLT |
10 |
2324901 |
CLAMP-T'BOLT |
4 |
2483104 |
FLANGE |
1 |
2949075 |
SEAL-O-RING-ORFS |
2 |
3242647 |
HOSE |
1 |
3331288 |
TUBE AS |
1 |
3619743 |
TUBE AS |
1 |
4449740 |
HOSE |
1 |
4527761 |
PLATE |
1 |
4527762 |
TUBE AS |
1 |
4528068 |
PLATE |
1 |
4528520 |
TUBE |
1 |
4528521 |
TUBE AS |
1 |
4539470 |
BRACKET AS |
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.
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Refer to Special Instruction, M0068340, "Field Procedure to Update the Cooling System on 793F Off-Highway Trucks with Standard Cooling" for rework information. |
Product smu/age whichever comes first |
Caterpillar |
Dealer Suggested |
Customer Suggested |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
0-25000 hrs, 0-72 mo |
100.0% |
100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
NOTE: This is a 10.0-hour job
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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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