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Author Topic: MC9 Parking Brake Leaking Down While Running  (Read 10333 times)
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1980 MCI MC-5C

« Reply #30 on: August 21, 2013, 02:53:59 PM »

Yes. I would use a 1" ratchet strap.  It's just so you can open the middle clamp ( where the spring is) and kind of ease it open rather than chase parts around the parking lot.  You can compress the spring by hand easily, but the strap is kind of a third hand.


1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer
Spicer 8844 4 speed Zen meditation device
Tatamagouche, Nova Scotia
Cary and Don
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« Reply #31 on: August 21, 2013, 03:14:58 PM »

Once you have them open,  clean the interior of the chambers and smooth any rough surface.  Getting everything really smooth makes all the difference in them not leaking after you put them back together.  We broke a couple of the bolts that hold the the clamp rings on.  You might want to pick up a couple before starting.

Don and Cary

1973 05 Eagle
Neoplan AN340
Cecil The Diesel
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Vagabond Dreamer, Rhymer And Singer Of Songs


« Reply #32 on: August 26, 2013, 11:29:08 AM »

Had a hole in one of the diaphragms, and then... I had a severe leak in one of the copper supply lines to the relay valve. The cans were very clean inside though and I was real happy with that. I had to cancel 5 shows in a row but the "Dixie Cannonball" is back up to full pressure and on the road again. Next stop Shawnee OK, Memphis TN, Jackson TN, and Cookeville TN.

Thanks for all the helpful advice. I don't know what I would do without this community!

1982 MCI MC-9 8V71 5 Speed

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« Reply #33 on: August 26, 2013, 01:08:32 PM »

Glad to hear ya have it fixed.
If ya have any troubles between Memphis and Cookeville give me a shout!
I'm about 45 mins from Jackson 15 miles N. of exit 108!
Grin  BK  Grin
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