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


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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 [HEBE1412]
AVSpare: Confidential Yellow

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

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.




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.

Termination Date

February 28, 1994

Problem

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

Affected Product

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

Parts Needed

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

Action Required

*** 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".

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

Parts Disposition

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

Information System:

PSP FOR 215D/219D EXCAVATOR ADJUSTABLE BOOMS - COSA LETTER NO. 2 - MAILED COSA
PSP FOR 231D HYDRAULIC NOISE AND AERATION - COSA LETTER NO. 1 - MAILED COSA
PSP FOR REPLACING THE HYDRAULIC PUMP ASSEMBLIES ON CERTAIN E70B EXCAVATORS (GRENOBLE PRODUCTION) - COSA LETTER NO. 6 - MAI LED COSA
PSP FOR REPLACING THE MAIN HYDRAULIC PUMP ON CERTAIN 213B, 214B EXCAVATORS - COSA LETTER NO. 5 - PS0636 - MAILED COSA
New Diodes Need To Be Installed On Certain 206B And 212B Excavators
PSP TO REPAIR HYDRAULIC TANK ON B-SERIES EXCAVATORS - COSA LETTER NO. 9 - PS0583 - MAILED COSA
PSP FOR REPLACING HYDRAULIC (FAN) MOTOR ON B-SERIES EXCAVATORS - COSA LETTER NO. 8 - PS0569 - MAILED COSA
PRIORITY - PIP TO REINFORCE CERTAIN CARBODY ON 214B EXCAVATORS - COSA LETTER NO. 7 - PI3568 - MAILED COSA
Analyzing Cylinder Condition By Measuring Air Flow{0651, 1000}
H45 & H45S HYDRAULIC HAMMER Pressure Reducing Valve (PRV)
H45 & H45S HYDRAULIC HAMMER Hydraulic Hammer
Additional Relays Need To Be Installed On Certain 206B And 212B Excavators
PSP TO REPLACE CARRIER PLANET AND WASHERS ON THE FINAL DRIVE OF CERTAIN 320, 320 L, 320 N, 325, 325 L, 325 LN, 325 N EXC AVATORS - COSA LETTER NO. 5 - PS8013 - MAILED COSA
PSP FOR REPLACING THE SWING DRIVE SHAFT ON CERTAIN 205B, 206B, 211B, 212B EXCAVATORS - COSA LETTER NO. 7 - PS6086 - MAILED COS A
PSP FOR REINFORCING STICKS ON CERTAIN 206B AND 211B/212B EXCAVATORS - COSA LETTER NO. 8 - PS8090 - MAILED COSA
PSP FOR STICK CYLINDERS ON CERTAIN 205B, 206B, 211B, AND 212B EXCAVATORS - COSA LETTER NO. 1 - PS0742 - MAILED COSA - REV ISED 07/94
PSP FOR REPAIRING EURO-CAB ON CERTAIN 320, 325, AND 330 EXCAVATORS - COSA LETTER NO. 2 - PS8155 - MAILED COSA
PSP FOR REPLACING THE CLAMSHELL ACTUATING VALVE ON CERTAIN 320 AND 325 EXCAVATORS - COSA LETTER NO. 3 - PS0768 - MAILED COSA
PSP FOR REPLACING THE REFUELING PUMP ON CERTAIN 300 FAMILY EXCAVATORS - COSA LETTER NO. 6 - PS0802 - MAILED COSA
PRIORITY - NOTICEABLE DRIFT OF THE REAR STEERING WHEN USED IN TWO WHEEL STEER MODE ON CERTAIN 438B TAWS BACKHOE LOADERS - COS A LETTER NO. 1 - PI3742 - MAILED COSA
AFTER FAILURE ONLY - PSP FOR REPLACING THE TRACK ADJUSTER GROUP ON CERTAIN 320 EXCAVATORS - COSA LETTER NO. 2 - PS0815 - MAI LED COSA
215 EXCAVATOR Safety
215 EXCAVATOR Maintenance Recommendations