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#1
03-10-2015, 01:02 AM
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No oil pressure- better yet I made a vacuum!
Cub Cadet 1862
Need a little help with an oil issue, Last summer our governor decided to come apart and in doing so got caught between the crank and the crank case! Crank case lost that fight, so I was forced to do a little over haul. I found a used case on line and after cleaning it all up and replacing all bad/ worn parts it’s back together and running. Well kind of—see I can’t get any oil pressure- Better yet I’ve got a vacuum going on. Pulled sending unit and turned engine over with a drill and found it’s sucking air in. Not only that but it’s sucking air in at the breather- a lot of air. I’ve taken every line apart and tried to do everything. I’ve gotten a little oil to come out of the pump when I plug up all holes ( breather, sending, and anywhere else I hear air). Taken case apart twice and checked all bearings and oil holes, checked oil pump a few times-- all Checks good. Any ideas?  I have run the engine in short busts to check it out but with no oil pressure I only run it for less then 2 minutes. 
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#3
03-10-2015, 02:13 AM
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J-Mech,
Yes I put the drill on the front, which is really the back. The PTO end. Anyway because it's the back I had to use the drill in reverse. I think I know where your head on this! No I doubled check to ensure I wasn't spinning the motor backwards. And with that when I start the engine it spins the same way and for that matter it still has the same issue with no oil just vacuum.
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#4
03-10-2015, 02:21 AM
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How do you know it has vacuum?
And when you say that, do you mean the crankcase has vacuum? Or the oil system? How do you know it has no oil pressure? Did you double check it with a gauge? I can't think of a single way that you could have vacuum on the oil circuit...... I'm hesitant to say, it's impossible. (Because I've seen so much that shouldn't be, that was.) If your talking about the crankcase being under vacuum...... how much? The crankcase pulses... if you put your finger over the vent it you will feel it suck slightly... but should build pressure after a short time.  Need some answers to above questions......
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#5
03-10-2015, 02:33 AM
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I should wait until morning to post.
 I will start by saying I have never split a Mag. But, is it possible to make the oil pump work backwards? That seems to be the only way possible to get a vacuum in the oil galley.
__________________
Travis 1993 Cub Cadet 2064 1988 Cub Cadet 2072 1980 IH Cub Cadet 782 w/CH20 1966 IH Cub Cadet 102 w/K301 1961 IH Cub Cadet O 1967 IH Cub Cadet 102 & 122     JD 2155 w/ 175 loader
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#7
03-10-2015, 07:20 AM
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Proper engine rotation is:
PTO = CCW Drive Shaft End = CW
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[B]Roland Bedell[/B] CC Models: 100, 105, 1450, 782, (2) 784, & 2072 [SIZE="4"][B][COLOR="Red"]Buy:[/COLOR][COLOR="Blue"] Made in the USA[/COLOR][/B] [/SIZE]:American Flag 1:
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#8
03-10-2015, 08:47 AM
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Check the pressure relief spring/plunger and check ball by removing the pto end cover,sometimes they get left out/lost.
Check the manual for proper assy location. Also if it is a mag 18 they don't use a gasket on the cover, just sealant.
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#10
03-10-2015, 03:54 PM
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Quote:
__________________
I don't use my Cub. I just work on it and look at it. So far it's holding up very well.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.
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