Re: Valve Timing 674 IH D239

Posted by clanger on March 10, 2004 at 05:11:23 from (80.176.149.33):

In Reply to: Valve Timing 674 IH D239 posted by Jarrod T. Britt on March 09, 2004 at 19:40:51:

According to the I&T manual (IH-203) it says:
"To check the valve timing, remove the rocker arm cover and crank the engine to position number one piston at T.D.C of compression stroke. Adjust number one intake valve tappet gap to 0.014 inch.
Place a 0.004 inch feeler gage between valve lever and valve stem of number one intake. Slowly rotate crankshaft in normal direction until valve lever becomes tight on feeler gage. At this point, number one intake valve will start to open and timing pointer should be within the range of 23 to 29 degrees before top dead centre.
NOTE: One tooth 'out of time' equals approx. 11 degrees.
Readjust number one intake valve tappet gap as outlined in para 54"

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