PSP FOR REINFORCING THE EJECTOR ON CERTAIN 621E, 621S, AND 627E SCRAPERS - PS4389 - MAILED US AND CANADA, COFA, BRAZIL, CFE L, COSA, LIMITED CACO Caterpillar

PSP FOR REINFORCING THE EJECTOR ON CERTAIN 621E, 621S, AND 627E SCRAPERS - PS4389 - MAILED US AND CANADA, COFA, BRAZIL, CFE L, COSA, LIMITED CACO

Usage:

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Caterpillar: Confidential Yellow

PSP FOR REINFORCING THE EJECTOR ON CERTAIN 621E, 621S, AND 627E SCRAPERS - PS4389 - MAILED US AND CANADA, COFA, BRAZIL, CFE L, COSA, LIMITED CACO

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-189
A-126.2
AU-125
B-32
E-85
O-118
6203   PS4389
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
"PS4389" as Part Number, "7755" as Group Number, and "96" as
Description Code.

Termination Date

September 30, 1990

Problem

The ejector on certain 621E, 621S, and 627E Scrapers may bend back and
contact the fuel tank.

Affected Product

Model Identification Number
621E 6AB1 - 1103
2PD1 - 693
621S 8KD1 - 600
627E 6EB1 - 561
6GB1 - 671

Parts Needed

12 - Fabricated Gussets (1E0170 Structural Steel)
2 - Fabricated Side Plates
1 - Fabricated Cover Plate

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 (Cost)  (C/L) (Sell)
comes
first
***** Before Failure *****
0-4000 - 9.5 0 9.5 0 0
0-24 mo
4001-6000 - 4.8 0 4.7 0 9.5
25-36 mo
NOTE: This is a 19-hour job. Between 0-4000 hrs. (0-24 months) a
maximum of $225.00 U.S. will be allowed for material to fabricate
the gussets and plates. A maximum of $112.50 U.S. will be
allowed between 4001-6000 hrs. (25-36 months).
***** After Failure *****
0-4000 - 19 0 0 0 0
0-24 mo
4001-6000 - 9.5 0 9.5 0 0
25-36 mo
NOTE: This is a 19-hour job. Between 0-4000 hrs. (0-24 months) a
maximum of $225.00 U.S. will be allowed for material to fabricate
the gussets and plates. A maximum of $112.50 U.S. will be
allowed between 4001-6000 hrs. (25-36 months).

Parts Disposition

Not Applicable
Rework Procedure
1. Remove the ejector from the bowl.
2. Fabricate 12 gussets, 2 back side plates, and 1 front cover plate as
shown in Illustrations 11, 12, and 13.
3. Remove the weld above the bend on the rear side of the ejector.
****** IMAGE: SEBE4142.00001.001
CAPTION: Illustration 1
4. Locate the gussets as shown in Illustration 10 and tack weld them to the
lower face of the ejector.
****** IMAGE: SEBE4142.00001.002
CAPTION: Illustration 2
-2 of 8-
****** IMAGE: SEBE4142.00001.003
CAPTION: Illustration 3
5. Use two large come alongs to bend the top of the ejector forward until
contact is made with the gussets. Weld the gussets to both the top and
bottom.
****** IMAGE: SEBE4142.00001.004
CAPTION: Illustration 4
-3 of 8-
****** IMAGE: SEBE4142.00001.005
CAPTION: Illustration 5
6. Mark the location of the gussets on the plate and cut ten slots to the
dimensions shown in Illustration 11. Weld the plate to the ejector.
****** IMAGE: SEBE4142.00001.006
CAPTION: Illustration 6
-4 of 8-
7. Weld the plate to the rear side of the ejector.
****** IMAGE: SEBE4142.00001.007
CAPTION: Illustration 7
****** IMAGE: SEBE4142.00001.008
CAPTION: Illustration 8
8. Install the ejector and adjust the rollers.
-5 of 8-
****** IMAGE: SEBE4142.00001.009
CAPTION: Illustration 9
-6 of 8-
****** IMAGE: SEBE4142.00001.010
CAPTION: Illustration 10
-7 of 8-
****** IMAGE: SEBE4142.00001.011
CAPTION: Illustration 11
-8 of 8-
****** IMAGE: SEBE4142.00001.012
CAPTION: Illustration 12
****** IMAGE: SEBE4142.00001.013
CAPTION: Illustration 13