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HOSE AS 3967619 - Caterpillar



3967619 HOSE AS Caterpillar parts HOSE
Rating:
66
Alternative (cross code) number:
CA3967619
396-7619
3967619
Caterpillar 3967619 HOSE AS

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Troubleshooting
If engine slobbering becomes a problem, use the procedure that follows to find and correct the probable cause.
1. Inspect turbocharger seals for wear or damage. Install new seals if necessary.2. Check valve guide clearances. See the "Specifications" section of the Service Manual for the correct clearance specifications.3. Install a 6N7174 Oil Shield on each rotocoil assembly on the engine valves in the cylinder head.If these steps do not correct the problem, go to Step 4.
4. Check the serial number of the machine and/or the serial number and arrangement number of the engine with the numbers shown in Chart C.a. If the numbers are in the range shown in Chart C, install the new parts shown in Chart A for the type of engine.b. If the numbers are not in the range shown in Chart C, go to Step 5.5. Check the Parts Book for the engine serial number and arrangement number to find the type of rings used in the specific engine.a. If the engine uses rectangular type rings (9S3029 Top Ring, 5S6750 Intermediate Ring, and 9S7788 Oil Ring), the problem is possibly worn rings. Install new rings of the same part numbers.b. If the engine uses keystone type rings (as shown in the "Former Part No." column of Chart D), and the serial number and/or arrangement number are not in the ranges shown in Charts B, C, or E, install the new top and intermediate rings shown in Chart D.
The rectangular type rings are for use in lower rated engines only. If these rings are used in higher rated engines, ring "sticking" is possible. Also, the recommendation is to use rings of the keystone "twist" design in higher rated engines only. If these rings are used in a lower rated engine, engine slobbering is possible during operation under light load or no load conditions.
Comparison of top ring designs.


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