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I am thinking of smaller logging operations maybe in the area of your roads. Perhaps a call to Big Creek Lumber on Hwy 1 could give you more information. Phil
Not to beat a dead horse, but if the copper disc restrictor ever fails, I do not want to go backwards. Looking at the Parker O-Ring Handbook, Design Chart 4-2–Face Seal Glands, I see where the gland (capture grove) depth is 0.050 to 0.054 for a 1/16″ O-Ring. I then looked at my Harbor copper washer set and find a 1/4″ copper washer that is 0.04″ thick and 0.56″ OD. Would a steel disc with 1/4″ copper washer work? It looks like the 1/4″ hole is big enough that any shifting of the copper washer will not cover the hole in the steel disc (restrictor).
Oakland Tech, Steele's Sporting Goods, Key system train probably all before your time. However, there were places you did not go at night.
Never heard of after market hydraulics. Some were orchard models where you sit low and others like mine where you sit up high. Strictly for pulling. I do remember attaching a logging chain to a willow. Just happened to look back and see the tree was pulled up (root still attached) and starting to fall in my direction. Left the tractor running in a different direction. Also remember crossing a creek and the next thing I know was I laying on the hood. That is why I purchased the chinese dozer. Nice roll cage, seat belts, PTO and price.
Copper is great stuff. Had a Model 15 CAT that kept blowing head gaskets. Made one out of 1/16″ copper and never had another problem at least with the head gasket. Every time I wanted to use the tractor, I had to dump in 5 gallons of gas. Finally sold it.
Remember reading some time back that you want the operator to shut off the engine not some gauge. Something about getting out of a dangerous situation first.
I cut out the union in the tube that goes to the pressure gauge and installed a T and a VW low pressure switch. Have a separate circuit that lights a red light and sounds an alarm when the oil pressure is low. Get to check it every time the dozer is started.
Phil
