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Technical Information Bulletin
Certain Remanufactured Cylinder Packs for 3400 Series Engines Contain Improperly
Installed Piston Rings{1000, 1215, 1225, 1239}
Media Number -TIBU6580-00

Publication Date -23/03/2012

Date Updated -23/03/2012

Caterpillar: Confidential Yellow

i04824092

Certain Remanufactured Cylinder Packs for 3400 Series
Engines Contain Improperly Installed Piston Rings{1000, 1215,
1225, 1239}
SMCS - 1000; 1215; 1225; 1239
Cold Planer:
PM-565B (S/N: 8GS1-UP)
Landfill Compactor:
826G (S/N: 7LN1-UP)
Engine:
3406B (S/N: 4TB1-UP; 7XC1-UP; 5KJ1-UP)
3406C (S/N: 2WB1-UP; 5KJ1-UP; 2MZ1-UP)
3408 (S/N: 67U1-UP; 99U1-UP; 78Z1-UP)
3408B (S/N: 67U1-UP; 99U1-UP; 78Z1-UP)
3408C (S/N: 67U1-UP; 99U1-UP; 78Z1-UP)
3408E (S/N: 7PR1-UP)
3412 (S/N: 60M1-UP; 38S1-UP; 81Z1-UP)
3412C (S/N: 60M1-UP; 9BR1-UP; 81Z1-UP)
3412E (S/N: 4CR1-UP)
Generator Set:
3406B GEN SET (S/N: 2WB1-UP)
3406C GEN SET (S/N: C2G1-UP)
3412C GEN SET (S/N: BAX1-UP)
Industrial Engine:
3406 IND (S/N: 6TB1-UP)
3406C IND (S/N: 3ER1-UP)
3412C IND (S/N: 38S1-UP)
Marine Engine:
3406C MARINE (S/N: 4TB1-UP)
3408C MARINE (S/N: 1TS1-UP)

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Track-Type Tractor:
D10R (S/N: 3KR1-UP)
D8R (S/N: 7XM1-UP)
Wheel Loader:
980G (S/N: 9CM1-UP; 2KR1-UP)
988B (S/N: 50W1-UP)
Wheel Tractor-Scraper:
657E (S/N: 5YR1-UP)

Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent
solution is known, use the solution that is identified below.

Problem
Piston rings were installed incorrectly at the factory. The top two piston rings are installed upside
down. Installation of these cylinder packs will lead to high oil consumption, increase blow-by, and
possibly broken rings, which can cause engine damage. This issue is only related to remanufactured
cylinder packs that are sourced in the United Kingdom. Cylinder packs from the United States and
China are not affected. The affected cylinder pack part number are listed in Table 1.
Table 1
Part Number
0R-9847
10R-1439
10R-8409
0R-1572
0R-4515
0R-8200
0R-8717
0R-4178

Solution

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Illustration 1

g02963057

Location of information on packaging label

Inspection of the packaging label is necessary in order to determine suspect cylinder packs. The
suspect date code range is from D01M11Y11 (1 November, 2011) thru D12M03Y12 (March 12,
2012). Refer to Illustration 1 for location of information on packaging.

Illustration 2

g02963096

View of paint marks on piston rings to the right of ring gap

When these cylinder packs are being installed or prepared for sale, inspection of the piston ring
orientation must be performed in order to ensure that the rings are installed correctly. If the inspection
reveals that piston rings are installed incorrectly, the rings must be removed, and oriented properly.
Refer to Illustration 2 for the proper orientation of the piston rings.
Note: The rings must be oriented 120 degrees apart The rings in Illustration 2 are oriented for
illustration purposes only

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Copyright 1993 - 2012 Caterpillar Inc.

Wed Apr 4 13:07:31 CDT 2012

All Rights Reserved.
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