STUD-TAPERLOCK 2D5238 - Caterpillar

SEBE8141-01 September 5, 2002
(Revised September 2002)
U-233
A-163
AU-176
S-175
H-173
O-193
TT-4
TM-7
beforeor
after failure PRODUCT SUPPORT PROGRAM FOR VERIFYINGTORQUE ON CERTAIN 3126, 3126B, 3126E ENGINES, AND 325C L EXCAVATORS
7757 PS41101
This Program can be administered eitherbefore or after failure. In either case the decision whether to apply theProgram is made by the dealer. When reporting the repair, use "PS41101"as the Part number and "7755" as the Group Number. If administered beforefailure, use "56" as the Warranty Claim Description Code and use "T" asthe SIMS Description Code. If administered after failure, use "96" as theWarranty Claim Description Code and use "Z" as the SIMS Description Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. This Revised Service Letter replacesthe September 5, 2002 Service Letter. A change has been made to the AffectedProduct.TERMINATION DATE
September 30, 2004PROBLEM
The 2051274 3-valve cylinder head group has plugswith improper torque. Plugs in head are not properly torqued that may resultin oil, water, or fuel leaks on certain 3126, 3126B, 3126E Engines, and325C L Excavators.AFFECTED PRODUCT
Model Identification Number
3126 7JZ4374-45636PZ952-995
3126B 9SZ11572-120481AJ418-422BEJ850-1104BKD550-5943GS1001-1052
3126E CKM49851-56085
325C L BFE281-330PARTS NEEDED
Qty
Part Number Description
1 1J9671 SEAL-O-RING
2 3J1907 SEAL-O-RING
1 2M9780 SEAL-O-RING
5 6V5048 SEAL-O-RING
1 6V5049 SEAL-O-RING
2 9X7712 SEAL-O-RINGACTION REQUIRED
See the attached Rework Procedure.SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-24 mos 100% 1.9 0 0 0 0
This is a 1.9?hr job.PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.Attach. (1-Rework Procedure)Rework Procedure
Part Number
Part Description
2M9780 176 Water (left rear)
3J1907 105Fuel (rear)
3J1907 175Fuel (left rear)
1J9671 180Oil (top)
6V5048 148 Oil (side)
6V5048 149Oil (side)
6V5048 147Oil (side)
6V5048 146Oil (side)
6V5048 145Oil (side)
6V5048 144Oil (side)
9X7712 95FOil (front)
9X7712 95ROil (rear)Using the 3/16" Allen head click wrenchset to 12NM. Verify torque on plugs:149147146145144Using the 3/8" Allen Head Click wrenchset to 73NM. Verify torque on plugs:176Using the 3/16" Allen Head click wrenchset to 15 NM, Verify torque on plugs:180Using the 1/4" Allen Head Click wrenchset to 26 NM, Verify torque on plugs:105175
148 See Illustration 1 for holelocations. When beginning this procedure,please note the starting position of the wrench for each plug. Tightenuntil the wrench clicks. If wrench travels more than 90 degrees, removeplug and inspect o-ring, the threads of the plug and head for damage. Ifokay, reinstall plug and torque. If o-ring is damaged then replace o-ring,install and torque plug. If the threads are damaged, repair as necessaryIf okay reinstall plug and torque. IfO-Ring is damaged then replace O-Ring, install and torque plug. If thethreads are damaged, repair as necessary. Illustration 1