Usage:
February 9, 2005
D-33
After failure only |
PRODUCT SUPPORT PROGRAM FOR REPAIRING THE STICK THAT MAY CRACK ON CERTAIN 330C EXCAVATORS |
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6502 |
PS50943
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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.
TERMINATION DATE
- February 28, 2007
PROBLEM
The stick on certain 330C Excavators may crack. The cracks usually occur along the weld beads at the stick boss and at the side plates. The sticks can be reinforced with steel plates.AFFECTED PRODUCT
Model | Identification Number |
330C |
GKX129-153, 155, 157, 159, 161-165, 179-186 JAB344-633, 637, 638, 640-642, 644, 645, 647-649, 651, 653-655, 657-671, 673-680, 684-718, 721, 722, 724, 729, 730, 734-736, 739, 740 KDD132-140, 151-153, 158-161, 165, 166, 172, 173, 192, 193, 206-210, 216-218, 232-236, 238, 243-580, 582-621, 624-627, 629, 630, 635, 638-642, 645, 646, 648-650, 653-658, 661-666, 669-671, 676-679, 682, 684-692, 696-702, 705-710, 713, 718, 720, 721, 723, 724, 726, 728, 729, 731, 732, 734, 739, 740, 742, 743, 745, 747, 749, 750, 752, 754-756, 758, 759, 761, 762, 764-767, 771, 772, 775, 777, 780-784, 786, 788-790, 792-797, 799-802, 804-806, 811-814, 816-818, 820, 821, 825, 827, 829-831, 833-838, 841-843, 845-847, 849, 850, 853, 854, 857-859, 861-866, 868-870, 872, 875, 877-880, 882, 885, 886, 890, 891, 893, 896, 898, 899, 902, 906, 907, 909-910, 913, 914, 925, 929, 933, 935, 939-942, 947, 978, 979, 981-984, 990, 992, 993-1001, 1023, 1024 |
PARTS NEEDED
Qty |
Part Number |
Description |
3 | 1P3703 | SEAL |
ACTION REQUIRED
- See the attached Rework Procedure.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first |
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Parts |
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0-24 mos |
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PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.Attach. (1-Rework Procedure)
Rework Procedure
- Reference the service manual for the removal of the stick from the machine.
- Remove all cracks with arc air gouging rods. See Illustration 1. Use AWS E7018 or equivalent electrodes to weld and fill the groove, then grind smooth the weld surface.
- Fabricate two pieces of reinforcement plate. See Illustration 2.
- Tack the reinforcement plate so that the gap of the reinforcement plate and the base plate is a maximum of 1mm.
- Before welding reinforcement plate, clean the tack weld. Remove all water, oil, and paint.
- Using AWS or equivalent dry electrodes, weld the reinforcement plates using weld instructions attached below.
- Paint the area on the stick that was reworked.
- Reference the service manual for installation of the stick on the machine.
Illustration 1
Illustration 2
Illustration 3