PSP FOR REPAIRING CRACKS IN THE REAR OF THE EJECTOR ON CERTAIN 621E, 621S, AND 627E SCRAPERS - PS4377 MAILED US, CANADA, CACO, BR AZIL, CFEL, COSA
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PSP FOR REPAIRING CRACKS IN THE REAR OF THE EJECTOR ON CERTAIN 621E, 621S, AND 627E SCRAPERS - PS4377 MAILED US, CANADA, CACO, BR AZIL, CFEL, 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 Caterpillar product analyst.
U-176 A-119 AU-118 B-29 E-80 O-110 6203 PS4377 NOTE: 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 "PS4377" as Part Number, "7755" as Group Number, and "96" as Description Code.
Termination Date
September 30, 1990
Problem
Cracks may develop in the rear of the ejector in the area of the diagonal strut on certain 621E, 621S and 627E Scrapers.
Affected Product
Model Identification Number 621E 6AB1-1253 2PD1-693 621S 8KD1-600 627E 6EB1-594 6GB1-724
Parts Needed
2 - Fabricated Plates
Action Required
Fabricate two plates as shown in Illustration 1. One for each side of the ejector. Use a air carbon arc torch or similar tool and cut the plates and strut from the back of one side of the ejector. Grind the back of the ejector and the plates and strut smooth. Fit the fabricated plates between the ejector and the plates and strut so that the slot is directly beneath the bottom of the plate on the strut. Tack weld and then finish weld as shown in Illustrations 2 and 3. Repeat the procedure for the other side of the ejector.
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 0-4000 - 5.5 0 0 0 0 0-24 mo 4001-6000 - 2.8 - 2.7 0 0 25-36 mo NOTE: This is a 5.5-hour job. Between 0-4000 hrs. (0-24 months) a maximum of $100.00 U.S. will be allowed for material to fabricate the plates shown in Illustration 1. A maximum of $50.00 U.S. will be allowed between 4001-6000 hrs. (25-36 months).
Parts Disposition
Not Applicable ****** IMAGE: SEBE4129.00001.001 CAPTION: ****** IMAGE: SEBE4129.00001.002 CAPTION: ****** IMAGE: SEBE4129.00001.003 CAPTION:
Caterpillar Information System:
SERVICE LETTER SUPPLEMENT - THE ABOVE MAIL CODE, U-175, WAS NOT PREVIOUSLY USED IN 1989 SERVICE LETTER SUPPLEMENT - THE ABOVE MAIL CODE, U-175, WAS NOT PREVIOUSLY USED IN 1989
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