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Archive through January 27, 2008
- Thread starter dmull
- Start date
Help Support IH Cub Cadet Tractor Forum:
mgonitzke
Well-known member
Todd-
Bare aluminum will transfer heat much better than painted aluminum. That's why the head is bare from the factory.
Bare aluminum will transfer heat much better than painted aluminum. That's why the head is bare from the factory.
mhomrighausen
Well-known member
- Joined
- Sep 20, 2001
- Messages
- 3,133
- displayname
- Marlin Homrighausen
Art A. Here is something for ya!!!
CHICK MAGNET
And for the Wannabes. Ask April
Man.... cabin fever has set in. I need to do something wtih the Cubs other than move snow around. I am sooo ready for Plow Day... or lawn mowing.
CHICK MAGNET
And for the Wannabes. Ask April
Man.... cabin fever has set in. I need to do something wtih the Cubs other than move snow around. I am sooo ready for Plow Day... or lawn mowing.
kide
Well-known member
- Joined
- Aug 27, 2006
- Messages
- 3,779
- displayname
- Gerry Ide
Todd:
Back in the oooold days, 2 stroke racing mechanic theory said that the best aluminum heat radiant was bead blasted (rough surface - more surface area), then anodized black.. IIRC, Cycle World or Cycle had a tech article on it, sometime in the mid 70's). Musta been the 70's, cause I remember it..
.On my Cushman rebuild, I media blasted the fins, then files the edges shiny (for looks)..
Back in the oooold days, 2 stroke racing mechanic theory said that the best aluminum heat radiant was bead blasted (rough surface - more surface area), then anodized black.. IIRC, Cycle World or Cycle had a tech article on it, sometime in the mid 70's). Musta been the 70's, cause I remember it..
Ran into a problem starting the 782 this weekend. The key was dead, though the rest of the system worked.
Since it seemed like a safety switch problem, I started playing with things, until playing with the PTO switch got things going. Before I buy a switch, is there a different problem I should check out?
Thank God it was 45 degrees in IA this weekend. Made it more fun to figure this out.
Since it seemed like a safety switch problem, I started playing with things, until playing with the PTO switch got things going. Before I buy a switch, is there a different problem I should check out?
Thank God it was 45 degrees in IA this weekend. Made it more fun to figure this out.
Kendall, the 70's? So that would make you... Just kidding. Ok bead blast the head, can you bead blast through a Matco speed blaster? I have used this for sand blastin, again I have never used bead media to blast. Also, are there different media's for bead blast?
Its been a good cub day in Florida. Until today I haven't been able to rotate the crankshaft of my 127 acquired 12-1-07. Today with the use of a pipe wrench between the starter pulley and the PTO pulley I was able to move the crank some. It gave me hope that nothing was serious broken.
My son-in-law, a pretty good personal water craft mechanic, had the idea that rain water may have gotten down the vertical exhaust (put on by PO) and into the engine. This afternoon I got the exhaust off and sure enough there was a pile of rust in the exhaust port. Seeing that, I decided to take the head off and see what it looked like inside. WOW, what a mess. Apparently the last time the engine was shut down it stopped with the exhaust valve open. Here are pictures of what I found. Roaches (and possibly spiders)had been living in the cylinder. I scooped out the mess then used the shop vac to clean out the top of the piston and around the valves and exhaust and intake ports.
The piston would go to bottom then back up but not to the top. Then I realized it was stopping because of the rust on the walls where the roach nest had been perched on top of the piston. I used some steel wool and worked on the walls untill they felt smoother. I cleaned after scrubing with the vac and a magnet. Then after flooding the piston edge with oil I slowly brought the piston up until it came all the way to top. I was pleased that the valves operated as a four cycle should. I have hope I can get this cub running without breaking further into the Kohler ... Sorry for the long post but I feel really good about my progress.
My son-in-law, a pretty good personal water craft mechanic, had the idea that rain water may have gotten down the vertical exhaust (put on by PO) and into the engine. This afternoon I got the exhaust off and sure enough there was a pile of rust in the exhaust port. Seeing that, I decided to take the head off and see what it looked like inside. WOW, what a mess. Apparently the last time the engine was shut down it stopped with the exhaust valve open. Here are pictures of what I found. Roaches (and possibly spiders)had been living in the cylinder. I scooped out the mess then used the shop vac to clean out the top of the piston and around the valves and exhaust and intake ports.
The piston would go to bottom then back up but not to the top. Then I realized it was stopping because of the rust on the walls where the roach nest had been perched on top of the piston. I used some steel wool and worked on the walls untill they felt smoother. I cleaned after scrubing with the vac and a magnet. Then after flooding the piston edge with oil I slowly brought the piston up until it came all the way to top. I was pleased that the valves operated as a four cycle should. I have hope I can get this cub running without breaking further into the Kohler ... Sorry for the long post but I feel really good about my progress.
bbrigham
Well-known member
- Joined
- Sep 4, 2006
- Messages
- 1,000
- displayname
- Brendan Brigham
I figured it was new thinking, I do remember the older air cooled bikes being bare aluminum. Even my 79 Suzuki street bike was bare. When I was racing in the late '80s they were always painted flat black, even the new ones now are black unless it a "high dollar look how much better I am" Harley. The base Harley's are black painted. I don't know, guess it doesn't matter much. Does it really make that much of a temp difference ? I never tested it to find out. Bead blasted aluminum does look better though.
- Joined
- Aug 23, 2006
- Messages
- 2,912
- displayname
- Allen Schumacher
Marlin, how long did it take you to find that flick ?? That was a trip !
KenTuck (and others),
Is there anywhere a DIY'er can buy just an air tank in the 40-60 gallon size? The only places I've found it would be cheaper to buy a new unit and scrap the compressor and motor. Then I could get my Cub painting done quicker.
JimE
Is there anywhere a DIY'er can buy just an air tank in the 40-60 gallon size? The only places I've found it would be cheaper to buy a new unit and scrap the compressor and motor. Then I could get my Cub painting done quicker.
JimE
