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Varnish seize?
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Re: Varnish seize?
fit90 wrote:gcb wrote:JPvelo wrote:I have the same problem rusty. Lite taps to nothing but a good enough wallop to reset the socket deforms the piston. Anyone who has used a reset tool successfully feel free to chime in.
This can happen if your anvil is not sitting on a SOLID surface. The surface should be hard and substantial like a large vise or patio block...wood is not good enough. The problem stems from the hammer force being transmitted through the piston and absorbed by a softer surface. A hard surface will make the force stay at the socket.
Not saying that this is your problem, but it MIGHT be your problem.
George
Ditto to what George said. I was suffering about a 20% failure rate doing this on my tool box or small vise. When I moved it to a larger, more solid and stable surface I have been enjoying a 100% success rate. I am certain luck has something to do with it but the numbers did get better.
Good luck,
Bob
Originally I was using my large vice bolted to my wooden table. Now my anvil is a Pontiac front brake rotor, a heavy solid hunk of iron on a concrete floor. I'm going to practice with a larger hammer on a couple of old loose Bee pistons and see how it does. Bob, every piston I've gotten from you has zero play and perfect fit, so I know it can be done.
_________________
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...and never Ever think about how good you are at something...
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RknRusty- Rest In Peace
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Re: Varnish seize?
Totally not trying to toot my horn here, I have done .010 thru .09 piston resets without issue. I have always done my resets on a concrete floor. Judging by what you guys are saying the hard surface must play a big role in a successful reset.
Cribbs74- Moderator
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Posts : 11900
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Re: Varnish seize?
This thread has drifted from the original subject of "varnish seizure" so I'm outa here.
Ta! Ta!
Ta! Ta!
SuperDave- Rest In Peace
- Posts : 3552
Join date : 2011-08-13
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Re: Varnish seize?
The OP guided the discussion so it was not a hijack. Ta Ta.SuperDave wrote:This thread has drifted from the original subject of "varnish seizure" so I'm outa here.
Ta! Ta!
_________________
Don't Panic!
...and never Ever think about how good you are at something...
while you're doing it!
My Hot Rock & Blues Playlist
...and never Ever think about how good you are at something...
while you're doing it!
My Hot Rock & Blues Playlist
RknRusty- Rest In Peace
- Posts : 10869
Join date : 2011-08-10
Age : 68
Location : South Carolina, USA
Re: Varnish seize?
I use a old heavy blacksmith anvil for my reset tool backstop.
Had a crazy idea of getting a rack and pinion arbor bench press for other items besides a stable, no movement way of pressing straight down on a reset tool. I see the problems with the reset tools as movement in the pin tool piece as you swing the hammer or grip the tool piece tighter right before hammer impact. You move it slightly out of the needed straight down angle right before hammer impact, which in turn lays the piston socket material against the rod ball tighter in one spot. So you keep whacking away until the piston dimples or it is ruined.
Had a crazy idea of getting a rack and pinion arbor bench press for other items besides a stable, no movement way of pressing straight down on a reset tool. I see the problems with the reset tools as movement in the pin tool piece as you swing the hammer or grip the tool piece tighter right before hammer impact. You move it slightly out of the needed straight down angle right before hammer impact, which in turn lays the piston socket material against the rod ball tighter in one spot. So you keep whacking away until the piston dimples or it is ruined.
PV Pilot- High Tech Balsa Basher
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Location : The ragged end of the Universe.
Re: Varnish seize?
PV Pilot wrote:I use a old heavy blacksmith anvil for my reset tool backstop. ...I see the problems with the reset tools as movement in the pin tool piece as you swing the hammer or grip the tool piece tighter right before hammer impact. You move it slightly out of the needed straight down angle right before hammer impact, which in turn lays the piston socket material against the rod ball tighter in one spot. So you keep whacking away until the piston dimples or it is ruined.
I would suggest you tap the tool lightly with the hammer and rotate the tool each time you tap so you get even coverage of the whole socket. I don't actually grip the tool tightly, I just hold it in place sorta like starting a nail in a piece of wood. Look at the thickness of the steel socket...you don't need much.
George
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