105923-0862 ZEXEL 9 420 611 574 BOSCH GOVERNOR 9420611574 1059230862

October 20, 2001
U-280
A-192
AU-181
S-134
H-97
O-211
Priority PRODUCT IMPROVEMENT PROGRAM FOR TIGHTENING THE INJECTOR ARM JAM NUTS ON CERTAIN D350E II ARTICULATED TRUCKS AND ON CERTAIN D400E II EJECTOR AND D400E II ARTICULATED TRUCKS
1123 1290 PI30241 This Program must be administered as soon as possible. When reporting the repair, use "PI30241" as the Part number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI30241" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
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.
COMPLETION DATE
TERMINATION DATE
April 30, 2002 October 31, 2002PROBLEM
The Injector rocker arm jam nuts on some D350E II Articulated, D400E II Ejector and D400E II Articulated Trucks are coming loose.
AFFECTED PRODUCT
Model Identification Number
D350E II ARTICULATED 2XW1-473, 476
D400 II EJECTOR APF1-324, 327
D400E II ARTICULATED 8PS1-1034, 1036-1040, 1044, 1050-1053, 1055PARTS NEEDED
None Needed
ACTION REQUIRED
See the attached Rework Procedure.
OWNER NOTIFICATION
U.S. and Canadian owners will receive the attached Owner Notification.
SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
100% * 0 0 0 0
* 1.0-hr is allowed to Remove and Install valve covers and torque the injector arm jam nuts. Six minutes are allowed to adjust each Unit Injector if needed ? up to a maximum of .6-hrs is allowed to adjust all six.
U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS ReportAttach. (1-Owner Notification)
(2-Rework Procedure)
COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999
PRIORITY - TIGHTENING THE INJECTOR ARM JAM NUTS
MODELS INVOLVED - CERTAIN D350E II ARTICULATED TRUCKS AND ON CERTAIN D400E II EJECTOR AND D400E II ARTICULATED TRUCKS
Dear Caterpillar Product Owner:
The Injector rocker arm jam nuts on some D350E II Articulated Trucks, D400E II Ejector and D400E II Articulated Trucks need to be inspected. The injector arm jam nuts may need to be tightened on the products listed below. You will not be charged for the service performed.
Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service. Please refer the dealer to their Service Letter dated October 20, 2001 when scheduling this service.
We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.
Caterpillar Inc.
Identification #(s)
Attached to October 20, 2001 Service Letter
Rework Procedure
NOTE This service letter does not need to be performed if Injector jam nuts have already been torqued to the higher spec during routine valve lash/unit injector adjustment as described in Service Magazine article SEPD0581(2001/06/04).
Remove the valve covers.
Place a flat head screwdriver in the injector adjusting screw and see if it will turn.
If the screw turns then the unit injector needs to be adjusted.(See step 5)
If the screw will NOT turn, mark a line across the screw, nut, and injector arm