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Top dead center, Problem # 2

S

steve706

Member
I did manage to find tdc,but The biggest problem just emerged. The engine has to be warm for the valve adjustment so I ran it to heat it up. I cannot for the life of me get the valve cover off with the fuel tank on. The tank on a 706 isn't exactly small. Also dumb move of the day, I just topped it up last night...Anyone have a short cut?
 
Oh come on , i have worked on 706's for the last 35 years and i have never had a problem getting the valve cove off one . remove the clamp that hold the two cooler hoses to the fuel tank heat shield and remove the ft bolts that go thru the valve cover and leave the back ones in . Remove the left side lower panel and roll it out the left side of the tractor . As for getting it HOT screw that set the valves at .027 , AS IT SAYES WARM NOT HOT and warm is around ROOM TEMP and at this time of year it is WARM enough . One thing to watch is bridging of the rocker arm to the valve stem because of ware on the rocker arm as the ware and will have a high spot and will give you a false reading if you get the feeler gauge between the high and low . Adjust the valves in order 1,2,3,5,7,9 when #1 piston is at TDCthen roll the engine over till #6 is at TDC and do 4,6,8,10,11,12.Then do it again to check yourself and fix any screw ups.
 
After reading a couple of these answers I remembered it is on the D-310 where I removed the heat shield to get cover off. Like Vet says, pretty simple on gas 706 and agree also with his hot verses warm and the wear issue on rocker arms tips.
 
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