HARNESS AS-WIRING 3893056 - Caterpillar

Problem
The camshaft on certain 3306 and 3306B Truck Engines may spall.
Affected Product
Model & Identification Number
3306 (76R6193-6670)
3306B (5KD1-2271; 63Z5070-19144)
Parts Needed
1 - 0R3023 Camshaft Kitor
4P2942 Camshaft Kit1 - 6V5978 Gasket Kit-Front Structure1 - Gasket Kit-Cylinder Head (Varies-See Microfiche) Make sure the gasket kit was updated to include the new 7E6167 Cylinder Head Gasket.
Optional Parts Needed
1 - 7E7261 Camshaftor
0R3553 Camshaft12 - 7E9758 Spring12 - 2W7043 Lifter Assembly If the customer chooses, a roller camshaft (Optional Parts) can be installed. If a roller camshaft is installed the customer must pay the first $200.00 U.S. towards the cost of the parts.
Make sure the gasket kit was updated to include the new 7E6167 Cylinder Head Gasket.
Action Required
Determine the lift of each camshaft lobe by placing a dial indicator against the rocker arm adjusting screw directly overthe push rod. Rotate the crankshaft and record the maximum amount of camshaft lobe lift. The minimum allowable lift is 7.747 mm (.3050 "). Record which, if any, of the camshaft lobes are below the minimum lift specification.
To obtain an accurate reading, the dial indicator must be directly over the push rod.
If any of the camshaft lobes are below the minimum lift specification, remove the camshaft from the engine. measure the camshaft lift by following the procedure in the Guide Line For Reusable Parts, Camshaft Measurement, SEBF8097. [The maximum permissible difference between the actual lobe lift and the specified lobe lift is 0.64 mm (.025"). Do not use the specifications listed in service Manual.]
If the camshaft lift obtained by following the procedure in the Guide Line For Reusable Parts is below the minimum specification, or if the camshaft is spalled, replace the camshaft and related components. See Parts Needed/Optional Parts Needed. When installing the cylinder head, make sure that the bolts are coated with 6V4876 Molykote.
Service Claim Allowances
Refer to the chart for the percentage of Caterpillar participation. Identify the engine miles and months in service at the time of failure. Identify the maximum Caterpillar participation based on both the engine mileage and months in service determined to be the lesser amount.
Example: 1. An engine with 266,543 miles and 51 months in service is eligible for 20% Caterpillar participation.
Example: 2. An engine with 27 months in service and 319,046 miles is eligible for 90% Caterpillar participation.
See the labor breakdown for repair times.
Parts Disposition
COSA Dealers
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
All other Dealers
Warranty claim parts that do not involve core credit must be held for 30 days after the Caterpillar claims Register Date. Warranty claim parts that involve core credit must be held for 15 days after the Caterpillar Claims Register Date.