The International Cessna^® 170 Association

Hello,
Does anybody know what the proper temperature limitations are for the winterization plates? My 1952 cowl intake plates may or may not be for the 170, but they do fit, and look right. They state "Remove at temperatures above 40F". I'm thinking they may be for a 140, or an L19 (but I don't know what the 170 limitation temperature should be.
The oil pan intake cover states "remove at temperatures above 60F".
Can anybody confirm these numbers? Another member with a later model cowl (1953 and on), has original plates that state "remove above 30F"... Do different cowl styles have different temps?
Thanks Eric

The instructions in the Owners Manual states "For temperatures consistently below freezing a winterization kit ...is available...."

I have a parts catalog that lists 2 separate decals. One for the cowl intakes PN 0552102, and another for the oil pan opening PN 0552103. These part numbers are for all B model cowls.
I found that a straight 170 had a different PN for the cowl intakes (PN 0552105), but the oil pan intake was the same (PN 0552103).
I don't have any 170A info...
Unfortunately the diagram doesn't show what is printed on each decal!


Based on what I've gathered, My cowl intakes were probably for a 170 (not the B model) as they state "remove above 40F" (I think 30F is correct).
The oil pan hole states "remove above 60F", and I think that this is probably correct.

Somebody must know for sure... They are required placards when the plates are used.


Cheers Eric

Eric,

There are a couple of photos in this thread: http://cessna170.org/phpBB2/viewtopic.php?t=3110 -- of baffle plates with the original decals still attached. They're hard to read, but I'm pretty sure they say to remove them at temperatures above 30 degrees.

Best Regards,

John

I've got a set of original cowl plates at home. I'll check the sticker tonight and post what it says.

I recall my oil intake saying the same... "remove... above 60F". My intake plates say "remove above 40F".

Does anyone still carry the winterization kit in stock? I haven't had any luck with Spruce, Univair, etc. My 170B spent 30 years in Arizona. The previous owner enlarged the oil tank air intake to deal with desert temps. When it gets below 40F here in Northern Ca my oil temp runs 160 or less. Covering the oil intake alone did not seem to make much difference in the oil temp.

Doug,

Those plates look like they might be from an A model or ragwing, with the internal air box -- am I right? They're different from the ones Corey posted pics of, which were for a B model. I wonder also if the decals indicated different temperature ranges between the two models, because the engine cooling characteristics must be somewhat different.

Best Regards,

John

Doug Since you appear to have the factory issued plates I wonder if you would consider tracing them and maybe submitting the tracings to headquarters so some of the rest of us could make our own to the exact dimensions that Cessna used. I know I really would like to have a set and I bet there are others like me out there. Bill K

jrenwick wrote:Doug,

Those plates look like they might be from an A model or ragwing, with the internal air box -- am I right? They're different from the ones Corey posted pics of, which were for a B model. I wonder also if the decals indicated different temperature ranges between the two models, because the engine cooling characteristics must be somewhat different.

Best Regards,

John

These would be applicable on the '52 B model as well since that was the last year of the "old" style cowl and airbox. You're right that they are different than the ones Corey posted but those started in '53.

Good point on the temperatures It's quite possible that they are different due to the different baffles, but I'm in no position to speak with authority on that one.

3958v wrote:Doug Since you appear to have the factory issued plates I wonder if you would consider tracing them and maybe submitting the tracings to headquarters so some of the rest of us could make our own to the exact dimensions that Cessna used. I know I really would like to have a set and I bet there are others like me out there. Bill K

Will do Bill. Someone else has asked me for drawings a couple times and I keep forgetting to do it. Maybe now I'll remember.

FYI, I don't have the "J" shaped bolts used to hold them onto the grills so you'll be on your own for those.

Those plates look like they might be from an A model or ragwing, with the internal air box -- am I right? They're different from the ones Corey posted pics of, which were for a B model. I wonder also if the decals indicated different temperature ranges between the two models, because the engine cooling characteristics must be somewhat different.

The winter plates for my 54B have the same sticker that Doug's have. Except they are marked 30 F. If you need a picture, I will take one.

Does anyone still carry the winterization kit in stock? I haven't had any luck with Spruce, Univair, etc.

I just bought mine in the fall of 05 from Preferred AirParts.

http://www.preferredairparts.com

1-800-433-0814

part # 0552106-3

Bill

Thanks, Bill! Mystery solved. The decals for the old style cowling covers say to remove them above 40 degrees F. But for the newer style pressure cowling, the covers go off above 30 degrees.

John

It's a pity they don't sell "Duck Tape" where you guys are.

blueldr wrote:It's a pity they don't sell "Duck Tape" where you guys are.

That's what I'm using currently, and I remove it at the end of the day to protect the paint. It works fine, but this is tedious!

Wax the surface before you apply the duct tape. But be certain to clean the surface of the exposed side of the duct tape with alcohol before applying the decals.