Jrbrks Posted January 19, 2015 Share Posted January 19, 2015 I would like to tune and set the timing on my 1929 Model 135, and I am confused as to how many of the hoods and/or housings need to be removed to be able to observe the "delta" slot on the fan.The owners manual identifies (Figure 702):1) The upper air hood2) The middle air hood3) The lower air hood4) The fan housingOn page 901 of the manual, it states to remove the "engine air housing" to observe the "delta" slot.If the fan housing is to be removed, is there a simple way to do so? My vehicle has a heater, so there is a "snorkel" of tubing coming our of the "fan housing" to a box on the exhaust manifold (generator side of the motor). Might removing this "snorkel" be enough to view the delta slot?I am fine removing each of the hoods and housing listed above, but it seems to be a complicated procedure. I want to be certain I am not missing something obvious, having not owned or worked on one of these engines previously.I have also checked the "question and answer" forum on the club webpage and did not find any information on specifically which parts to remove for access to the delta slot.Thanks for any advice or guidance.Jim Link to comment Share on other sites More sharing options...
franklin28 Posted January 19, 2015 Share Posted January 19, 2015 Just remove the upper air hood held on with the two large wing nuts / studs. After that you can simply look down and see the timing mark in the fan. It might be a good idea to paint the triangle white to make it easier to see. Link to comment Share on other sites More sharing options...
odat Posted January 21, 2015 Share Posted January 21, 2015 Yes just the to cover with the two wing nuts and look in. It should take less the 15 mins. to check the timing , And the includes any car guy help the is with you!!!! Link to comment Share on other sites More sharing options...
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