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hour meter clicking shortly after shutdown? #4525292
09/24/17 10:11 PM
09/24/17 10:11 PM
Joined: Nov 2009
Posts: 4,941
Houston, Texas
motor_oil_madman Offline OP
motor_oil_madman  Offline OP
Joined: Nov 2009
Posts: 4,941
Houston, Texas
I have an hour meter on my boat that's the original one and is 25 years old. One thing I've noticed is it seems like it continues to log time for like 5-10 seconds or so after I turn the key off. I can hear it clicking, which I'm assuming it's working when it does that, but why does it continue running shortly after I turn the key off? Unless it is stopped and just does that normally since 5-10 seconds isn't enough time to see if it's actually moving.


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: hour meter clicking shortly after shutdown? [Re: motor_oil_madman] #4525314
09/24/17 10:36 PM
09/24/17 10:36 PM
Joined: Aug 2009
Posts: 397
USA
oilstudent24 Offline
oilstudent24  Offline
Joined: Aug 2009
Posts: 397
USA
Is there still a supply of electricity flowing like when you turn off your computer speakers and a couple seconds later it makes a slight pop.

Re: hour meter clicking shortly after shutdown? [Re: motor_oil_madman] #4525370
09/25/17 01:16 AM
09/25/17 01:16 AM
Joined: Mar 2007
Posts: 202
Minneapolis
03cvpi Offline
03cvpi  Offline
Joined: Mar 2007
Posts: 202
Minneapolis
Very normal if is an hourmeter just like old odometers with individual numbers on a wheel. Many used a small motor that wound up a spring clutch and that will take a second or two to wind down after power is removed. Some newer analog hourmeters had a capacitor before the motor to buffer inrush, this also takes a second or two to discharge. The newer LCD display models simply stop when power is lost.

Re: hour meter clicking shortly after shutdown? [Re: motor_oil_madman] #4525478
09/25/17 07:33 AM
09/25/17 07:33 AM
Joined: May 2016
Posts: 717
Canada
i_hate_autofraud Offline
i_hate_autofraud  Offline
Joined: May 2016
Posts: 717
Canada

On older Hour meters, 12V is used cycle a solenoid that partially winds a spring,
the timing is a clock mechanism, so it's just running out the spring.

Re: hour meter clicking shortly after shutdown? [Re: motor_oil_madman] #4525483
09/25/17 07:45 AM
09/25/17 07:45 AM
Joined: Nov 2009
Posts: 4,941
Houston, Texas
motor_oil_madman Offline OP
motor_oil_madman  Offline OP
Joined: Nov 2009
Posts: 4,941
Houston, Texas
So is it still logging time For those last few seconds or not?


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: hour meter clicking shortly after shutdown? [Re: motor_oil_madman] #4525485
09/25/17 07:46 AM
09/25/17 07:46 AM
Joined: Nov 2009
Posts: 4,941
Houston, Texas
motor_oil_madman Offline OP
motor_oil_madman  Offline OP
Joined: Nov 2009
Posts: 4,941
Houston, Texas
I guess the nice thing is you can easily check that it's still working.


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: hour meter clicking shortly after shutdown? [Re: motor_oil_madman] #4525688
09/25/17 11:23 AM
09/25/17 11:23 AM
Joined: Dec 2004
Posts: 426
Dayton,Ohio
ShotGun429 Offline
ShotGun429  Offline
Joined: Dec 2004
Posts: 426
Dayton,Ohio
yes, those wind down seconds are logged, not a big deal


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