PRODUCT SUPPORT PROGRAM FOR REPLACING THE TRAVEL SPOOL SPRINGS ON CERTAIN 307E MINI EXCAVATORS
Usage:
TEBE1061-00
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| 11Mar2014 |
D-125
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACING THE TRAVEL SPOOL SPRINGS ON CERTAIN 307E MINI EXCAVATORS |
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| 1108 5051 | PS44215 |
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| 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 "PS44215" 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 Caterpillar product analyst. |
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TERMINATION DATE |
| 31Mar2015 |
PROBLEM
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| The existing travel spool springs dimension is marginally out of the tolerance on certain 307E Mini Excavators. This can cause machine unparallel turning. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 307E | H1Y00487-00492, 494-496, 498, 500-503, 507-510, 512, 514, 516-519, 522-525, 527-532, 534-535, 538-539, 556, 558 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 4 | 1448073 | LOCKWASHER-DISC |
| 2 | 4372856 | KIT-SPRING |
| 1 | BULK_OIL | HYDRO-ADVANCED OIL 10 (1 LITRE) |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 10% 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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ACTION REQUIRED
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| Replace both left and right travel spool springs. Refer to the attached Rework Procedure. |
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SERVICE CLAIM ALLOWANCES
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0-12 mo |
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| NOTE: This is a 1.0-hour job | ||||||
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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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| 1. Park the machine on level ground with the implements lowered. Refer to RENR9744, Disassembly and Assembly, "System Pressure - Release". 2. Turn off the engine and battery isolator switch. Refer to Image1.1.1. |
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| Image1.1.1 |
| 3. Unbolt, using a 16mm box socket or wrench, and remove the hydraulic tank top cover and the cap. 4. Attach a 311-1362 Vacuum Cap onto the hydraulic tank opening. 5. Attach an air supply hose onto the assembly. 6. Apply 276 to 414 kPa (40 to 60 psi). Note: This will pull a vacuum on the hydraulic system. Refer to Image1.2.1. |
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| Image1.2.1 |
| 7. Remove two left travel spool (H) end cap screws with an M5 Allen drive. Note: Ensure that the Allen bolt washers and the O-ring seal are properly and safely kept for later assembly. Refer to Image1.3.1. |
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| Image1.3.1 |
| 8. Slide the travel spool halfway out from the spool bore. Note: Do NOT remove the spool from the bore. 9. Install spool holder (D) onto the spool. Use a grip clamp in order to clamp the spool holder. Refer to Image1.4.1. |
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| Image1.4.1 |
| 10. Use a 6mm Allen drive to unbolt the spool end section E. 11. Loosen to remove the completed spool spring section E. Refer to Image1.5.1. 12. Assemble with a new kit spring section E onto existing spool section F and tighten to a specified torque of 20 +/- 2 N.m. 13. Assemble the travel spool end cap O-ring seal and two screws with a M5 Allen Drive to a specified torque of 10 +/- 1 N.m. 14. Repeat the same steps above for right travel spool (G). 15. Remove the vacuum cap and refill hydraulic oil, if required. 16. Reassemble the hydraulic tank top cover. 17. Test run the machine and ensure there are no leaks. End of travel spool spring rework. |
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| Image1.5.1 |
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