Detroit Diesel Troubleshooting Diagrams

Series 60 Damaged Breather

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To determine if an obstructed or damaged breather is causing excessive crankcase pressure, perform the following: ‪

Perform a crankcase pressure test.

If the engine crankcase pressure is less than 3 in. H 2 O (0.75 kPa), check the air compressor.
If the engine crankcase pressure is greater than 3 in. H 2 O (0.75 kPa), replace wire mesh element.

Rocker Cover Breather Resolution

Perform the following steps to replace wire mesh element replacement: ‪

1. Remove the valve rocker cover(s);
2. Remove the wire mesh form the rocker cover;
3. Install a new wire mesh element to the rocker cover;
4. Install the rocker cover to the engine;
5. Verify replacement of wire mesh element;

 

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Series 60 Damaged Breather
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To determine if an obstructed or damaged breather is causing excessive crankcase pressure, perform the following

Written by sam

February 2nd, 2012 at 4:10 am

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