PRIORITY - PARTS STOCK ACTION NEEDED - NEW OIL LEVEL GAUGE NEEDS TO BE INSTALLED IN CERTAIN 3508, 3512, AND 3516 ENGINES EQU IPPED WITH A SHALLOW FABRICATED PAN - PI3478 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, MARINE TEPS

PRIORITY - PARTS STOCK ACTION NEEDED - NEW OIL LEVEL GAUGE NEEDS TO BE INSTALLED IN CERTAIN 3508, 3512, AND 3516 ENGINES EQU IPPED WITH A SHALLOW FABRICATED PAN - PI3478 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, MARINE TEPS - REVISE D 0

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Caterpillar: Confidential Yellow

PRIORITY - PARTS STOCK ACTION NEEDED - NEW OIL LEVEL GAUGE NEEDS TO BE INSTALLED IN CERTAIN 3508, 3512, AND 3516 ENGINES EQU IPPED WITH A SHALLOW FABRICATED PAN - PI3478 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, MARINE TEPS - REVISE D 01/91

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.


(Revised January 1991)
U-171
A-117
AU-110
B-32
E-102
O-131
TM-7
PRIORITY
PARTS STOCK ACTION NEEDED
1326  PI3478
NOTE: This Revised Service Letter replaces the August 19, 1990 (Revised
September 1990) Service Letter. Changes have been made to the
Affected Product and Parts Needed.
COMPLETION DATE

Termination Date

February 28, 1991  August 31, 1991

Problem

The 7C6369 Oil Level Gauge used in certain 3508, 3512, and 3516 Engines
equipped with a shallow fabricated oil pan may not be marked correctly. If
the gauge is marked incorrectly, the oil level may be too low.

Affected Product

Model Identification Number
3508* 1ZF1-555
95Y717-775
96Y795-1073
23Z1768-3172
68Z739-759
69Z350-528
70Z632-751
3512* 4KC97-164
3YF1-501
49Y518-572
24Z2014-3337
65Z650-697
67Z599-762
3516* 3RC118-226
4XF1-314
25Z1042-1951
27Z661-676
71Z259-289
73Z222-341
* If equipped with standard equipment shallow sump fabricated oil pan.
NOTE: The shallow sump fabricated oil pan is standard on all of the
3500 Family of Engines except for the 3508 Marine Engine (High
Performance - 750 HP and up) and all 3512 and 3516 Marine
Engines.
If in doubt, check the Product Information System. If the engine
was sold with an optonal oil pan, and does not qualify for this
Program, the optional oil pan will be listed on the Inquiry
Serial Number to Prime Mover Screen. The price list numbers for
the optional oil pans are PA2966 (3508 Engines), PL3089 & PL3090
(3512 Engines), and PL4093 (3516 Engines).

Parts Needed

Dealers will need to order parts for this Program.
1 - 4P3784 Gauge-Oil Level
- Oil necessary to bring the engine oil level to the "Full"
mark on the new gauge

Action Required

***** Parts Stock *****
Remove all 7C6369 Oil Level Gauges from parts stock.
***** Affected Product *****
Replace the existing 7C6369 Oil Level Gauge with a 4P3784 Oil Level Gauge

Owner Notification

Not Applicable

Service Claim Allowances

Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
100% 1 0 0  0 0
NOTE: This is a 1-hour job.

Parts Disposition

Any parts removed (with the exception of cores used for Caterpillar
Remanufactured parts) can be rendered useless and scrapped immediately upon
completion of the repair.