[C320-list] Intermittent Tachometer Operation

[Ian Neale]

What’s the adjustmff egg t screwi have t seen that.  

Sent from. my iPhone

> On 2/10/2023, at 8:42 AM, Karl Mielenhausen via C320-list <c320-list at lists.catalina320.com> wrote:
> 
> You might try turning the adjustment screw, in the back of the tach, a 1/4
> turn in each direction repeatedly.
> 
> Karl
> 
> 
>> On Sun, Oct 1, 2023 at 2:47 PM Ian Neale via C320-list <
>> c320-list at lists.catalina320.com> wrote:
>> 
>> Hi,
>> 
>> I have an 07 320 with a Yanmar 3YM30 engine.
>> 
>> The tachometer is intermittent in operation where at times the needle goes
>> back to zero while the engine is running.
>> 
>> I think the tachometer runs off the alternator, but not sure. Wiggling
>> wires on the back of the alternator doesn’t seem to fix the problem.
>> 
>> I have also cleaned all connections in the back of the tachometer.
>> 
>> Any suggestions as to what could be the problem.
>> 
>> Thanks, Ian Neale.
>> 
>> Solutions.
>> 
>> Sent from. my iPhone
>>