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Farm Machinery
Classic Machinery
B275 Again
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<blockquote data-quote="X344chap" data-source="post: 6559452" data-attributes="member: 54754"><p>A cheap compression tester will do fine - there's some on ebay from the US for $19</p><p></p><p><a href="https://www.ebay.co.uk/itm/Diesel-Engine-Compression-Cylinder-Pressure-Tester-Gauge-Kit-0-1000psi-TU-15/372639493601?hash=item56c30b6de1:g:MB8AAOSwp-Rajc0j" target="_blank">https://www.ebay.co.uk/itm/Diesel-Engine-Compression-Cylinder-Pressure-Tester-Gauge-Kit-0-1000psi-TU-15/372639493601?hash=item56c30b6de1:g:MB8AAOSwp-Rajc0j</a></p><p></p><p>You can unscrew the heater plug to connect your compression tester - you dont need any fancy adapters to put in the injector holes.</p><p></p><p>If you cant get a tester then just tear it down and check every everything visually and by measurement. Check the cylinder bores for scoring or lipping and the internal diameter. Any broken valve springs - are the valves loose in the guides? Pour some diesel onto the head upside down and leave overnight to see if the valves are leaking. Pull a piston and have a look at the rings - any broken rings or evidence of blow-by? What are the end of the ring gaps like. Do the bearing shells still have white metal on them - you can plastigauge them as well. This kind of methodical visual inspection and measuring things will give you an indication of whats needing done.</p><p></p><p>Btw - if you start the engine with the exhaust removed - you can see whether its one or all the cylinders that are producing any smoke.</p></blockquote><p></p>
[QUOTE="X344chap, post: 6559452, member: 54754"] A cheap compression tester will do fine - there's some on ebay from the US for $19 [URL]https://www.ebay.co.uk/itm/Diesel-Engine-Compression-Cylinder-Pressure-Tester-Gauge-Kit-0-1000psi-TU-15/372639493601?hash=item56c30b6de1:g:MB8AAOSwp-Rajc0j[/URL] You can unscrew the heater plug to connect your compression tester - you dont need any fancy adapters to put in the injector holes. If you cant get a tester then just tear it down and check every everything visually and by measurement. Check the cylinder bores for scoring or lipping and the internal diameter. Any broken valve springs - are the valves loose in the guides? Pour some diesel onto the head upside down and leave overnight to see if the valves are leaking. Pull a piston and have a look at the rings - any broken rings or evidence of blow-by? What are the end of the ring gaps like. Do the bearing shells still have white metal on them - you can plastigauge them as well. This kind of methodical visual inspection and measuring things will give you an indication of whats needing done. Btw - if you start the engine with the exhaust removed - you can see whether its one or all the cylinders that are producing any smoke. [/QUOTE]
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