0336124 JOHNSON WATER TUBE, Long

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PSP FOR INSTALLING STIFFER RUBBER ENGINE MOUNTS ON CERTAIN E200B, EL200B, E240B, AND EL240B EXCAVATORS - PS4569 - MAILED US AND CANADA, CACO, COFA, CFEL
  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.
Revised 10/13/94 to add SMCS code 1356 per request of Otto Minchau. U-50 A-40 AU-33 E-36 1152, 1356 PS4569 This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4569" as Part Number, "7755" as Group Number, and "96" as Description Code. Termination Date
March 31, 1992
Problem
The engine may shift slightly allowing the fan to contact the fan shroud on certain E200B and EL200B Excavators. The engine mounts may crack on certain E240B and EL240B Excavators.
Affected Product
Model Identification Number E200B 6KF1-574 6KG1-302 EL200B 7DF1-1348 E240B 8SF1-50 EL240B 5WG1-289
Parts Needed
4 - 1R7930 Mount 4 - 991428 Mount
Action Required
See the attached procedure.
Service Claim Allowances
Product Caterpillar Dealer Suggested Customer Suggested smu/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. whichever (D/N) (Cost) (C/L) (Sell) comes first 0-3000 100% 1 0 1 0 0 0-24 mo 3001-5000 33 1/3% .5 0 .5 50% 1 25-36 mo This is a 2-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. Attach. (1-Rework Procedure) Rework Procedure 1. Remove the brush guard (if equipped). 2. Use a small hydraulic jack to lift the engine. 3. Remove the engine mount bolts with a 3/4" universal drive socket and remove the bolts. 4. Replace the four existing mounts with the new mounts. See the illustration. 5. Tighten the 8T6381 Mounting Bolt to a torque of 352 +/- 29 N.m (259 +/- 22 lb ft). The previous torque was 323 +/- 29 N.m (239 +/- 22 lb ft). The increase in torque eliminates the need for checking the engine bolt mounting torque at the first 100 hours, and at every 500 hours of machine operation, as called for in the operation and maintenance guide. Make a note of the change in the appropriate Service Manual Modules. 6. Verify that the fan shroud is centered with respect to the fan. This will further reduce the possibility of the fan contacting the shroud.