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Author Topic: Proper Ride Hieght MC9  (Read 460 times)
Nineforever
Nineforever
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100 klms south of Yellowknife NWT Canada




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« on: October 11, 2013, 08:33:18 PM »

Is the proper ride Hieght for MC9

Front 4.5 "
Rear  5.1 "
From what to the ground do we measure
Just finnished installing New air bags and plates all around , rides like a lumber wagon any info appreciated
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Hyway 3 100 klms south of Yellowknife NWT Canada
Lin
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1965 MC-5a




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« Reply #1 on: October 11, 2013, 10:44:25 PM »

The manual for my 5a has the measurement for the airbag height, which (if I remember correctly) is measured including the attachment plates.  I have a set of large calipers with which I can reach around the tires to get the measurement without needing to get under the coach.
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You don't have to believe everything you think.
bevans6
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1980 MCI MC-5C




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« Reply #2 on: October 12, 2013, 06:50:51 AM »

Here is the MC-9 manual section on suspension.  The air bag dimensions are shown for both convoluted and rolling lobe air bags.  http://www.buses101.com/PDF_Files/MCI%209%20Maint%20Manual%20in%20PDF%20format/MC-9%20-%20Maint%20Manual%20Section%2012.pdf

Putting block-off plates on convoluted springs will indeed make it ride a lot stiffer, since you lose the majority of the air volume in the spring system by not using the air beams.  Fact of life.  Don't forget that the front suspension won't be equal unless the bus happens to be level at the rear, so you could measure both sides and take the average.  Once you do it the first time, you can take external measurements for future reference.

Brian
« Last Edit: October 12, 2013, 06:52:51 AM by bevans6 » Logged

1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer
Spicer 8844 4 speed Zen meditation device
Vintage race cars -
1978 Lola T440 Formula Ford
1972 NTM MK-4 B/SR
Nineforever
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« Reply #3 on: October 12, 2013, 01:40:43 PM »

Thank you its a big help
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Hyway 3 100 klms south of Yellowknife NWT Canada
sledhead
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« Reply #4 on: October 12, 2013, 01:48:23 PM »

Brian   I have a 102c3 do you know if it is the same height as the mc9 ?   

thanks   dave
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1990 mci 102c  6v92 ta ht740  kit,living room slide . home base huntsville ontario canada
bevans6
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1980 MCI MC-5C




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« Reply #5 on: October 12, 2013, 01:55:57 PM »

It's probably the same as the later MC-9 with the rolling lobe airbags.  MCI didn't change the dirty bits very often... But I don't have anything on those later buses...

Brian

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1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer
Spicer 8844 4 speed Zen meditation device
Vintage race cars -
1978 Lola T440 Formula Ford
1972 NTM MK-4 B/SR
sledhead
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« Reply #6 on: October 12, 2013, 02:05:12 PM »

Thanks Brian I will start a new post as to why I asked .                dave
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1990 mci 102c  6v92 ta ht740  kit,living room slide . home base huntsville ontario canada
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