I have a late 1913 engine (#369365) in my 1914 Depot Hack with what appears to be a correct narrow snout crankcase (oil pan w/ 3 dip inspection plate). I removed the radiator and fan to provide good access to the front cover. My original intent was to correct two problems: leaking crankshaft seal and off-center cam shaft to front cover alignment. I found that the crankshaft pulley can't be removed off the end of the crank with the crankcase (oil pan) in place. The front edge of the pulley hits the rivet heads of the snout. The crank pulley has a 3 inch straight diameter with a small flange on the back edge (non-original?, I assume).
Would an original pulley have been able to be removed without removing the crankcase?
Would an original pulley have been crowned? if so, what major diameter would it have been?
1914 Crank Pulley Removal and Reinstallation Question
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Topic author - Posts: 25
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1914 Crank Pulley Removal and Reinstallation Question
Last edited by bpresslylsmo on Thu Oct 07, 2021 11:03 pm, edited 2 times in total.
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Re: 1914 Crank Pulley Removal and Reinstallation Question
I think you would have to lift the front of the engine off the crankcase/pan slightly to remove the pulley. That's a nasty job, requiring considerable dis-assembly. I would think it would also require realignment of the 4th main, new gaskets, etc. I have not done this, so others may know of a short cut. I'm pretty sure that original pulleys were crowned, whether they had flanges or not.
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Re: 1914 Crank Pulley Removal and Reinstallation Question
I have changed the pulley on my '12 Open Express w/o touching the pan, it is a factory small pulley (3"?) & a later narrow pan(-17?), correct '12 timing cover. 10 years ago I had a rattle up front at lower RPM's, removed radiator & fan assembly. Seems that the noise has returned, time to dig into the front again. I do not remember if I used any locktight last time, I guess I will go for the Green along with a new pin & maybe another pulley. George
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Re: 1914 Crank Pulley Removal and Reinstallation Question
I installed one of those 2 piece repro pulley's on my 13 a few years ago. All I needed to do was carefully shave a "little off the top" of two rivets at the narrow end of the pan snout. Got the pulley on and tightened well. No problems. Maybe urs will work that way too.
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Re: 1914 Crank Pulley Removal and Reinstallation Question
If the old pulley is junk, you might cut some relief in it to clear the rivets and replace it with a split pulley.
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Re: 1914 Crank Pulley Removal and Reinstallation Question
Is it necessary to remove the pulley? I would first remove the front cover bolts and see if the cover can't be angled far enough forward for the camshaft snout to be cleared. You have nothing to lose trying.
Allan from down under.
Allan from down under.
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Re: 1914 Crank Pulley Removal and Reinstallation Question
You should be able to get the camshaft cover off without pulling the engine unless someone installed a modern seal on the end of the crankshaft which would fit into the groove in both the cover and the crankcase.
Norm
Norm