PSP FOR REPLACING THE HYDRAULIC PUMP ASSEMBLIES ON CERTAIN E70B EXCAVATORS (GRENOBLE PRODUCTION) - COSA LETTER NO. 6 - MAI LED COSA
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.
December 4, 1992 COSA LETTER No. 6 PRODUCT SUPPORT PROGRAM FOR REPLACING THE HYDRAULIC PUMP ASSEMBLIES ON CERTAIN E70B EXCAVATORS (GRENOBLE PRODUCTION) 5070 PS0650 NOTE: This Program can only be administered after a failure occurs. The decision whether to apply the program is made by the dealer. When reporting the repair, use "PS0650" as the Part Number Causing Incident, "7755" as the Group Number, and "96" as the Warranty Claim Description Code.
March 31, 1995
The bore in the hydraulic pumps for the 855587 Piston may wear prematurely on certain E70B Excavators. The engine speed may drop excessively when two pumps are at relief pressure.
Model Identification Number E70B 6AK00086 - 219 HEBE1407
1 - 5I9126 Pump Assembly (equipped with blade) 2 - 7J9108 Seal 1 - 935369 Element 3 - 951579 O-ring 1 - 951585 Seal-o-ring 3 - 951592 Seal-o-ring 1 - 951698 O-ring 1 - 951705 Seal-o-ring
After a pump has failed, follow the procedures in the Service Manual to replace the existing pump assembly with the new 5I9126 pump assembly. The new pump assembly has an improved piston to reduce piston bore wear. New Pump Replaces Former Assembly Pump Assemblies 5I9126 5I6804 & 855787
Service Claim Allowances
Product AVSpare Dealer Suggested Customer Suggested smu/age Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs whichever (D/N) (Cost) (C/L) (Sell) comes first 0-1500 100 % 5 0 5 0 0 0-18 mo 1501-2000 33 1/3% 2.5 0 2.5 50 % 5 19-24 mo NOTE: This is a 10-hour job.
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.