Lost oil pressure -

Lost oil pressure

Published by Roy Boy
01-12-2007

Lost oil pressure

It was cold out side and I thought it was just an echo off the trees! The rear cilinder sounded like it was under water, and when I got her home I checked everything out that it might be, eccept the "oil guage". there was no pressure! NEED INFO PLEASE! '79 SHOVEL

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MAY THE WIND ALWAYS BE IN YOUR FACE!

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*Roy Boy* Member Join Date: Jan 2007 Location: N. FLORIDA Posts: 35

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By LagerDrinker on 01-12-2007

first off might check oil level...duh
next check for circulation of oil in tank.
how old is your oil filter? may be clogged
oil getting to guage? unscrew guage and bump engine to see if oil spits out.
check all the basics before tearing engine apart.

By Roy Boy on 01-12-2007

The filter is stock "in tank", oil level is good, every thing checks. It must be internal.

By Roy Boy on 01-14-2007

ANY AND ALL TECH TIPS WILL HELP! Before I "CRACK IT OPEN"!

By chopper on 01-14-2007

Pull the oil pump and look for sheered woodrufe keys. These are the the keys that lock the gears to the shaft so they wont spin unless the shaft is moving.

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By D.R.Funderburg on 01-14-2007

You migth have a look at the oil lines going up to the heads.I have heard about them getting clogged up before.

By MONTY on 01-15-2007

Quote:

Originally Posted by Roy Boy

How did the rear cylinder sound?! Sorry, it's just not very descriptive ...!
Also, I assume the oil presure guage you mention is on the rear cyl. exhaust rocker shaft? If so, then Funderburg is prolly right, you should check your oil lines first to see that they haven't got clogged with debris (or had some emulsion sudge ice up inside if it's sub-zero where you are) before you go dismantling the oil pump.

hope this helps

Last edited by MONTY; 01-15-2007 at 09:16 AM..

By Roy Boy on 01-15-2007

The guage is in the block, just forward of the pump...........motorboat,motorboat,motorboat....LO L
SUB ZERO? NOT IN FLORIDA!...We have run 70w in the summer, if we can find it, and 50w in winter, if its not too hot!

Last edited by Roy Boy; 01-15-2007 at 08:00 PM..

By MONTY on 01-16-2007

Ah, OK I didn't see the Florida bit ...! Cold to you is like a balmy summer's day to me, I guess!!

In any case, since your oil guage is on the block, it sounds like you have no oil pressure at the pump, which is rather more serious! Revert to the instructions about taking the pump off to check the woodruff keys; be methodical and try to keep things as clean as you can. You can take off the pump without taking the motor out of the frame by taking it apart where it is, but when re-assembling make sure nothing is binding and it all spins smoothly by turning the engine over slowly by hand (in gear, turn the rear wheel) before you torque down the fasteners that mount the pump body to the motor case. Also, remember to prime the pump again before starting up the motor - should be easy on a '79 Shovel, just take the plug out and let gravity do the rest ...

By MONTY on 01-16-2007

Oh, and just in case you needed me to tell you:
DON'T RUN THE MOTOR ANY MORE UNTIL YOU'VE DISCOVERED AND RECTIFIED THIS PROBLEM!
Run with no oil pressure, your motor will very quickly render itself in kit form!!!!!!!

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