PARTS STOCK ACTION NEEDED - PSP TO REPLACE CARRIER PLANET AND WASHERS ON CERTAIN 320, 325 EXCAVATOR SWING DRIVES - COSA LET TER NO. 3 - MAILED COSA Caterpillar

February 26, 1993
COSA LETTER No. 3
***************** PRODUCT SUPPORT PROGRAM TO REPLACE CARRIER
* Parts Stock * PLANET AND WASHERS ON CERTAIN 320/325
* Action Needed * EXCAVATOR SWING DRIVES
*****************
5459  PS4952
NOTE: This Program can be administered either before or
after a failure or complaint. In either case the
decision whether to apply the Program is made by the
dealer. When reporting the repair, use "PS4952" as
the Part Number, and "7755" as the Group Number. If
administered before failure, use "56", and after
failure "96" as the Warranty Claim Description Code.

February 28, 1994

Certain 320 and 325 Excavators may experience internal swing
drive wear. This will first show up in high iron content. When
S.O.S. analysis shows an iron PPM level higher than 1000, the
second stage carrier planet and thrust-washers may need to be
replaced.
HEBE1412

Model Identification Number
320 4ZJ1 - 457
320L  3XK1 - 809, 812 - 833
320N  9WG1 - 705, 708 - 710, 712, 714 - 716, 718 - 739
325 9SG1 - 255
9ZK1 - 066
325L  7LJ1 - 327
2SL1 - 099, 101 - 104
325LN 2SK1 - 450
3LL1 - 104, 106 - 120, 122 - 125, 127 - 147

*** Model 320 ***
1 - 7Y1774 Carrier Planet
6 - 094-1528 Washer
*** Model 325 ***
1 - 7Y0596 Carrier Planet
8 - 094-1528 Washer

*** Parts Stock ***
Submit one claim for all Carrier Planets and Washers removed from
Parts Stock.
*** Affected Product ***
Replace Carrier Planet and Thrust-Washers. See Service Manual
"Disassembly and Assembly".

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
0-2000 100 % 12 0 0  0  0
0-24 mo.
2001-4000 33 1/3% 6 0 0 50 % 6
25-36 mo.

Handle the parts in accordance with your Warranty Bulletin on
warranty parts handling.