PRODUCT SUPPORT PROGRAM FOR REPLACING CYLINDER HEADS ON CERTAIN G3406 ENGINES
Usage:
SEBE9032-01
January 10, 2005
(Revised February 2005)
U-15
A-11
D-14
O-15
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| After failure only |
PRODUCT SUPPORT PROGRAM FOR REPLACING CYLINDER HEADS ON CERTAIN G3406 ENGINES |
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| 1105, 1100 |
PS50833
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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.
NOTE: This Revised Service Letter replaces the January 10, 2005 Service Letter. Changes have been made to the Service Claim Allowance.
TERMINATION DATE
- January 31, 2007
PROBLEM
- Cylinder heads have been experiencing short exhaust valve life due to excessive wear, radial cracks, and or valve fracture. A new cylinder head has been developed and needs to be installed on certain G3406 at the time of a cylinder head replacement.
AFFECTED PRODUCT
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| Model | Identification Number |
| G3406 | 4FD1-2648
KAR1-296 1RK1-107 R7E1-110 |
PARTS NEEDED
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Qty |
Part Number |
Description |
| 1 | 10R1970 | CYLINDER HEAD |
| 1 | 2261803 | CONVERSION KIT |
| 2 | 9M4136 | SPACER |
| 2 | 0S1591 | BOLT |
ACTION REQUIRED
- See the attached Rework Procedure.
SERVICE CLAIM ALLOWANCES
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PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.Attach. (1-Rework Procedure)
Rework Procedure
- Replace the current cylinder head with the improved cylinder head using the conversion kit and additional hardware. The 9M4136 spacer is required to take up the space at the front of the cylinder head at the lifting eye. The two 1A2029 front bolts need to be replaced with 0S1591 bolts. Part of the 4N6006 fastener group.
- Replacement of the cylinder head is necessary if: 1) The current cylinder head experiences exhaust valve recession > 0.070",or 2) Radial cracking of the exhaust valve is observed, or 3) An exhaust valve fractures and the valve drops into the cylinder.
- A conversion kit will be required
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