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• Non sono state volutamente registrate le valvole

English translation: The tappets weren’t adjusted because..

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Italian term or phrase:• Non sono state volutamente registrate le valvole
English translation:The tappets weren’t adjusted because..
Entered by: Maria Burnett

17:51 Feb 13, 2006
Italian to English translations [PRO]
Tech/Engineering - Automotive / Cars & Trucks / Subaru
Italian term or phrase: • Non sono state volutamente registrate le valvole
• Non sono state volutamente registrate le valvole pur avendo rilevato, in fase di misura delle tolleranze, una evidente riduzione del gioco; ciò non ha, tuttavia, compromesso il rendimento delle vetture, le quali hanno mantenuto caratteristiche di funzionamento apprezzabili.
Maria Burnett
United States
Local time: 10:01
The tappets weren’t adjusted because..
Explanation:


Hi Maria,
The tappets are between the camshaft and the valves. As the cam turns it will push down on the tappet and open the valve, then turn more and let the valve return to its seat under the force of the valve spring.
You measure the gap between the tappets and the valves with a feeler gauge. You normally adjust the tappet-valve clearance if there’s a noisy rattling sound when the engine’s running.
There is normally a slightly bigger gap on the exhaust tappets because they get hotter so expand more to take up more play then the inlet ones.
Most engines have hydraulic tappets nowadays that are self-adjusting. If self-adjusting tappets are noisy or the clearance is beyond an acceptable tolerance, you replace the tappets.

If there is a reduction in the gap between the tappets and the valves this can cause the camshaft to keep the valves slightly open even when they should be closed and lead to a loss of compression and power. This can happen if the valve settles far into the valve seats. If this gets to an unacceptable tolerance you can remove shims from the tappets to bring the gap back to an acceptable tolerance.

Tappet clearances are measured with the engine cold.
Selected response from:

Jo Macdonald
Spain
Local time: 16:01
Grading comment
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +1the valves deliberately were not adjusted
Gian
4The tappets weren’t adjusted because..
Jo Macdonald


  

Answers


7 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
• Non sono state volutamente registrate le valvole
the valves deliberately were not adjusted


Explanation:
volutaménte
av (= apposta) on purpose, purposely, intentionally, deliberately


Gian
Italy
Local time: 16:01
Works in field
Native speaker of: Native in ItalianItalian
PRO pts in category: 265

Peer comments on this answer (and responses from the answerer)
agree  Peter Cox
12 hrs
Login to enter a peer comment (or grade)

29 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
• Non sono state volutamente registrate le valvole
The tappets weren’t adjusted because..


Explanation:


Hi Maria,
The tappets are between the camshaft and the valves. As the cam turns it will push down on the tappet and open the valve, then turn more and let the valve return to its seat under the force of the valve spring.
You measure the gap between the tappets and the valves with a feeler gauge. You normally adjust the tappet-valve clearance if there’s a noisy rattling sound when the engine’s running.
There is normally a slightly bigger gap on the exhaust tappets because they get hotter so expand more to take up more play then the inlet ones.
Most engines have hydraulic tappets nowadays that are self-adjusting. If self-adjusting tappets are noisy or the clearance is beyond an acceptable tolerance, you replace the tappets.

If there is a reduction in the gap between the tappets and the valves this can cause the camshaft to keep the valves slightly open even when they should be closed and lead to a loss of compression and power. This can happen if the valve settles far into the valve seats. If this gets to an unacceptable tolerance you can remove shims from the tappets to bring the gap back to an acceptable tolerance.

Tappet clearances are measured with the engine cold.


Jo Macdonald
Spain
Local time: 16:01
Specializes in field
Native speaker of: English
PRO pts in category: 200
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