Hobbs Meter

[glen25781]

Hey guys,

My hobbs meter quit this week at 209. How can i troubleshoot this?

Glen Horne
RV6A N447BD

 

[BobTurner]

The conventional wiring for a Hobbs meter is thru an oil pressure switch, thru a fuse, direct to the battery (so clever renters cannot fly around "for free" by turning off the master.)
1. Find the fuse, confirm that it's good. If no, fix the fuse (first look for any shorts).
2. Find the oil pressure switch, jumper the connections, see if the Hobbs runs. If yes, see if you can fix the oil pressure switch* or else buy a new one.
If no, the clock is no good. Maybe fix, probably replace.
*Edit: in step 2 check that there are no blockages in the oil line feeding the switch, if it appears to not be working.

 

[rapid_ascent]

Pull it out and see if you still have continuity with +12V and Ground. If so you need a new meter.

 

[glen25781]

Thanks

You guys are awesome!

I appreciate it very much.

Glen

 

[Jpm757]

If you wind up getting a new Hobbs meter, hook it up to 12V and run the time up to match the broken one.

 

[mike newall]

Why on earth would you want a Hobbs meter in an RV

 

[Cth6]

Why on earth would you want a Hobbs meter in an RV

Probably because the Vans tach did not come with a meter on it. So a hobbs was the next best option to record times.

 

[Carlos151]

Why on earth would you want a Hobbs meter in an RV

Avionics come and go, Hobbs meter keeps on ticking.

 

[turbo]

my original one went to 3150 hrs. I got a feeling yours is ok, just a power issue somewhere. let us know.

 

[mike newall]

OK, If you are not glass, I can see the need for recording something I guess.