PRODUCT SUPPORT PROGRAM FOR INSTALLING NEW PISTONS AND SEALS IN THE TRANSMISSION OF CERTAIN 16M MOTORGRADERS
Usage:
TEBE0334-00
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| 10Oct2013 |
U069
U245
U245
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| Containment - Before/After (Limited distribution) | PRODUCT SUPPORT PROGRAM FOR INSTALLING NEW PISTONS AND SEALS IN THE TRANSMISSION OF CERTAIN 16M MOTORGRADERS |
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| 3170 3155 3063 | PS90323 |
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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. |
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| NOTE: | When reporting the repair, use "PS90323" 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. |
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TERMINATION DATE |
| 31Oct2015 |
PROBLEM
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| The existing piston lip seals can prematurely fail on certain 16M Motor Grades. If the existing 161-8313 Seal fails it can cause low or loss of clutch pressure on one of the clutches, most common failures occur on one of the directional clutches 1, 2, or 3. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 16M | B9H00841-00842 R9H00424, 430-431, 433, 534, 564, 566, 772, 775-776 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 1 | 3491435 | KIT-DT GASKET |
| 7 | 4151704 | SEAL-O-RING |
| 7 | 4151706 | RING-SEAL |
| 3 | 4200774 | PISTON |
| 2 | 4200775 | PISTON |
| 2 | 4200776 | PISTON |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 30% 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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| Refer to the Service Manual if/as necessary. Install new pistons and seals on all clutches except clutch #7. Refer to the Disassembly and Assembly, KENR6019, for removal, disassembly, assembly, and installation of the transmission. Refer to the attached Rework Procedure for the installation of the seals onto the new pistons. |
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SERVICE CLAIM ALLOWANCES
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0-36 mo |
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37-72 mo |
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| NOTE: This is a 118.0-hour job
If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim. |
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PARTS DISPOSITION
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| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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| 16M Piston Seal Rework Instructions Piston Assignment Clutch # New Part # Old part # 1 - 420-0776 - 246-8749 2 - 420-0776 - 246-8749 3 - 420-0775 - 246-8748 4 - 420-0774 - 246-8747 5 - 420-0774 - 246-8747 6 - 420-0775 - 246-8748 7 - NO CHANGE 8 - 420-0774 - 246-8747 Pistons with new seals Sub-Assemble 1. Lubricate the Piston chamfer and groove (1). 2. Lubricate the 415-1704 O-ring Seal (2). 3. Lubricate the 415-1706 Teflon Seal (3). Caterpillar |
| 16M Piston Seal Rework Instructions Piston Assignment Clutch # New Part # Old part # 1 - 420-0776 - 246-8749 2 - 420-0776 - 246-8749 3 - 420-0775 - 246-8748 4 - 420-0774 - 246-8747 5 - 420-0774 - 246-8747 6 - 420-0775 - 246-8748 7 - NO CHANGE 8 - 420-0774 - 246-8747 Pistons with new seals Sub-Assemble 1. Lubricate the Piston chamfer and groove (1). 2. Lubricate the 415-1704 O-ring Seal (2). 3. Lubricate the 415-1706 Teflon Seal (3). |
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| Image1.2.1 |
| 4. Carefully press the 415-1704 O-ring Seal (1) onto the chamfer and continue pushing until it stretches and falls into the groove 5. Follow the same procedure for the 415-1706 Teflon Seal (2). Notes: Use of a seal pick during installation is approved BE SURE NOT TO TWIST EITHER SEAL DURING AND AFTER INSTALLATION |
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| Image1.3.1 |
| 6. View of rough cross section. Repeat steps for all clutches except clutch #7. |
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| Image1.4.1 |
| 7. View of the previous design (1) and new design (2). |
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| Image1.5.1 |
| During transmission reassembly Replace the 287-5839 Tube As, suction hose, and clamps with new 386-0416 Tube As, new suction hose, and two 8T-4984 Clamps. Remove the 146-7453 Vent Hose and replace it with one cut to the dimensions given in the Parts List. |
Caterpillar Information System:
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