CARB HEAT REPAIR KIT

How to keep the Cessna 170 flying and airworthy.

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rossplanes
Posts: 3
Joined: Tue Mar 29, 2022 1:40 pm

CARB HEAT REPAIR KIT

Post by rossplanes »

Hi,
I own a 170B with a Lycoming 0-360 installed with an Avcon STC. I would like to purchase a carb heat repair kit for the air box from McFarlane. The McFarlane Part number CCH-KT-4 "LOOKS" like the right one. Would appreciate any help/advice!
Thanks, Charlie Ross
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GAHorn
Posts: 21283
Joined: Fri Apr 12, 2002 8:45 pm

Re: CARB HEAT REPAIR KIT

Post by GAHorn »

Charlie… I’m certainly in support of anyone/everyone keeping their airboxes iin good condition. Not to mention the air leaks that defeat any attempts to supply Filter-Air to the engine….. If a loose part or nut or cracked piece of sheet metal is sucked up onto the engine…it will NOT be a good flight.

However, I took the easy way out. I mailed my goofy-designed 172-C ratty airbox to Del Lehmann in Mena…and a week later…it was returned in “like new” condition for only a couple hundred AMUs. Some of the best money I’ve ever spent. :wink:
'53 B-model N146YS SN:25713
50th Anniversary of Flight Model. Winner-Best Original 170B, 100th Anniversary of Flight Convention.
An originality nut (mostly) for the right reasons. ;)
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rossplanes
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Joined: Tue Mar 29, 2022 1:40 pm

Re: CARB HEAT REPAIR KIT

Post by rossplanes »

Thanks George,
The hole in the bearing on one end of the carb heat valve shaft has worn into an oval allowing the shaft to vibrate and
break into 2 pieces. I wonder if Del could repair that, and if so would it be cheaper that a Mcfarlane kit?
Charlie
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DaveF
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Joined: Sat Nov 03, 2007 1:44 am

Re: CARB HEAT REPAIR KIT

Post by DaveF »

My Avcon airbox was repaired with bronze bushings from McMaster-Carr or similar. It's been a few years and I don't remember the source, but they were only a few dollars each and have held up ok.
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GAHorn
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Re: CARB HEAT REPAIR KIT

Post by GAHorn »

McFarlane offers Teflon bearings for some airbox repairs.
'53 B-model N146YS SN:25713
50th Anniversary of Flight Model. Winner-Best Original 170B, 100th Anniversary of Flight Convention.
An originality nut (mostly) for the right reasons. ;)
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