PRODUCT SUPPORT PROGRAM FOR REPLACING THE TUBE ASSEMBLY AND HOSE ASSEMBLIES FOR THE HAMMER LINE ON CERTAIN 320C(L) AND 321C(L) EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE TUBE ASSEMBLY AND HOSE ASSEMBLIES FOR THE HAMMER LINE ON CERTAIN 320C(L) AND 321C(L) EXCAVATORS [REBE2529]

HYDRAULIC SYSTEM

LINES GP-FRONT

PRODUCT SUPPORT PROGRAM FOR REPLACING THE TUBE ASSEMBLY AND HOSE ASSEMBLIES FOR THE HAMMER LINE ON CERTAIN 320C(L) AND 321C(L) EXCAVATORS

REBE2529-00

Show/hide table

10Jan2008

U-20

A-17

D-14

O-16

Show/hide table

*Before/After*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE TUBE ASSEMBLY AND HOSE ASSEMBLIES FOR THE HAMMER LINE ON CERTAIN 320C(L) AND 321C(L) EXCAVATORS
5057		PS42598

Show/hide table

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 "PS42598" 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.

Show/hide table

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.

Show/hide table

TERMINATION DATE

31Jan2010

PROBLEM

Show/hide table

The existing 222-0067 Tube Assembly for the hammer line may crack due to interference with adjacent parts on certain 320C(L) and 321C(L) Excavators. If the tube assembly cracks, this may cause a hydraulic oil leak.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
*****Group 1*****
320C	CLM00311, 318-319 MAC00308-00309 PAC00333, 338-339, 342, 344-347, 355, 358, 361-362, 367-368, 370-371, 374, 379, 381-388, 394-395, 408, 410-411, 415-417, 428-429, 454, 458, 462, 464-466, 468-471, 473, 476, 478-479, 481, 485, 488, 493, 496, 499, 503, 505, 507, 509, 511, 513, 515, 517, 520-521, 524-525, 529-530, 532, 534, 536-537, 539-540, 542-543, 545-546, 556, 558-559, 561, 563, 570, 573, 577-578, 580, 604, 606, 610, 612, 614, 619, 621, 626, 628, 636, 653, 682, 684-685, 687, 689-690, 692-693, 695, 697-699, 703, 710-711, 713, 715, 717-719, 722, 724, 726-734, 736, 738-739, 741, 743-747, 749-755, 757, 759, 761, 763-766, 768-769, 771, 774, 776-777, 779-780, 782-783, 785, 788, 790, 793, 795, 799, 804, 812-813, 825, 834, 839, 843, 848, 853, 858-859, 864-865, 868-869, 872, 874-875, 877, 884, 898-899, 903-905, 910, 915-917, 924, 938, 941, 944, 947, 949-950, 953-954, 957-959, 961-963, 965, 968, 970-971, 976-977, 979-981, 983, 985, 989, 991-992, 1001, 1003, 1005, 1007-1008, 1010, 1013, 1017-1019, 1021, 1023, 1025, 1027, 1029, 1031, 1034, 1037, 1044, 1046, 1048, 1052-1054, 1057-1059, 1062-1063, 1065-1066, 1069-1070, 1072-1080, 1082-1084, 1086-1088, 1090, 1097-1098, 1101, 1106, 1109, 1112-1115, 1119, 1133-1136, 1138-1142, 1157-1170, 1172, 1184-1185, 1189-1190, 1193-1194, 1205, 1207-1211, 1221-1223, 1226, 1232, 1235-1236, 1238-1240, 1242-1247, 1249-1256, 1258, 1260-1261, 1264-1267, 1269-1273, 1276-1277, 1279-1293, 1295-1300, 1302-1329, 1331-1334
320CLU	CLZ00180-00182, 225, 227, 229, 235-236, 241, 243, 246, 248-255, 258-259, 267, 269, 271, 276, 281, 285-293, 296-299, 304, 313-314, 316

Show/hide table

*******Group 2*******

321C LCR

KCR00110-00147, 149-152, 155-161, 163-198, 200-215, 217-225, 227-248, 251-298, 301-312

MCF00151, 156-157, 162, 164-165, 167-170, 172-175, 185-186, 190, 192, 196, 201-202, 204, 207-210, 212, 217, 226, 230, 239-240, 243, 245, 247, 249, 251, 255, 258-269, 271-272, 274, 276, 278-280, 282, 284-285, 287-288, 292-293, 297-299, 303-306, 308-309, 311, 313, 315-351, 353-355, 357-359, 361-362, 364-377, 379-380, 382, 385, 388, 391, 398-399, 401, 403-404, 407, 410, 418, 421, 424, 427, 431, 434, 436, 439, 441, 444, 447, 451, 453, 457, 459, 461, 465, 467, 469, 471, 473, 475, 477, 479, 481, 485, 487, 490, 492, 495, 498, 501, 504, 507, 510, 513, 516, 518, 520-521, 524, 527-529, 531, 533-534, 536-537, 539-541, 543, 545-546, 549-550, 552-554, 556-557, 559, 561, 563, 565, 569-570, 572, 574-583, 585-586, 588-590, 592, 594, 596-606, 608-619, 622-623, 626-627, 629-639, 641-643, 646-652, 654-662, 664-689, 691, 693-701, 704, 707, 709-710, 722, 724, 726, 729, 736, 738-741, 743, 745, 747-751, 753, 755-760, 763-777, 779-781, 783-784, 788-790, 792-794, 796-813, 815, 817, 819-824, 826, 828, 830-842, 844-845, 848-850, 852-859, 861, 863, 867-873, 875-876, 878, 880-886, 889-891, 893, 896-897, 899, 913, 919, 922, 925, 927, 930, 932, 934, 947, 949-950, 952, 955, 957-959, 961-963, 969-971, 973-975, 979-983, 988, 990, 1000-1004, 1006-1014, 1017, 1020, 1023, 1025, 1029, 1031, 1033, 1035, 1037, 1039-1040, 1042-1046, 1049-1050, 1052, 1054-1056, 1058, 1060, 1062, 1064, 1067-1068, 1070-1075, 1077-1080, 1082-1092, 1098, 1101, 1103-1107, 1109, 1111-1117, 1119-1129, 1131, 1134-1136, 1138, 1142-1232

PARTS NEEDED

Show/hide table

Qty	Part Number	Description
*****Group 1*****
1	1P3703	SEAL-RECTANGULAR
1	3D2824	SEAL-O-RING
1	4J5267	SEAL-O-RING
4	5K9090	SEAL-O RING
1	7Y3730	FLANGE-SPECIAL
1	8T6684	ELBOW-90 DEGREE
4	1084282	BOLT-SOCKET HEAD
1	1427781	BLOCK
1	2688368	HOSE AS
1	2866755	HOSE AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 9% 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	1P3703	SEAL-RECTANGULAR
1	3D2824	SEAL-O-RING
1	4J5267	SEAL-O-RING
4	5K9090	SEAL-O RING
1	7Y3730	FLANGE-SPECIAL
1	8T6684	ELBOW-90 DEGREE
4	1084282	BOLT-SOCKET HEAD
1	1427781	BLOCK
1	2236715	HOSE AS
1	2866755	HOSE AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 9% 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

Show/hide table

Refer to the attached Rework Procedure.

Show/hide table

SERVICE CLAIM ALLOWANCES

Show/hide table

Product smu/age whichever comes first	AVSpare		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 1*****
0-2000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2001-4000 hrs, 25-48 mo	33.3%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 4.0-hour job for Group 1

Show/hide table

Product smu/age whichever comes first	AVSpare		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 2*****
0-2000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2001-4000 hrs, 25-48 mo	33.3%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 4.0-hour job for Group 2

PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

Rework Procedure

Group Number 1

WARNING:
(1) Personal injury can result from hydraulic oil pressure and hot oil.
(2) Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.
(3) Make sure that all of the attachments have been lowered to the ground and the oil is cooled before removing any components or lines.

1. Remove existing tube assembly and hose assemblies from the 175-6008 Front Lines Group. Refer to Images 1.2.1 and 1.2.2 for appropriate tube assembly and hose assemblies.

Image1.2.1

Image1.2.2

2. Re-install the 175-6008 Front Lines Group with appropriate replacement parts. Refer to Images 1.3.1 and 1.3.2 for the appropriate replacement parts.

Image1.3.1

Image1.3.2

NOTES:
(1) Never re-use any existing seal-o-rings or rectangular seals in this rework procedure.
(2) Be sure to tighten each of the bolts to the specified torque, as shown below in Image 1.4.1.

Image1.4.1

Group Number 2

1. Remove existing tube assembly and hose assemblies from the 218-1237 Front Lines Group. Refer to Images 2.2.1 and 2.2.2 for appropriate tube assembly and hose assemblies.

Image2.2.1

Image2.2.2

2. Re-install the 218-1237 Front Lines Group with appropriate replacement parts. Refer to Images 2.3.1 and 2.3.2 for the appropriate replacement parts.

Image2.3.1

Image2.3.2

NOTES:
(1) Never re-use any existing seal-o-rings or rectangular seals in this rework procedure.
(2) Be sure to tighten each of the bolts to the specified torque, as shown below in Image 2.4.1.