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11-19-2018, 01:59 PM
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#1
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Senior Member
Vintage RV Owners Club
Join Date: Jul 2009
Location: Beaverton, OR
Posts: 312
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Help! Painter shut down coach in drive...
1991 Beaver with 3176 cat mated to allison 4 speed... all air coach
throttle air
tranny air
we are painting her and painter pulled coach into shop and shut down while still in drive... coach sat all weekend... now when they try and start... it won't because its in drive... but the transmission won't shift due to lack of air pressure. can't get pressure because engine won't start!
any help much appreciated!
__________________
fkloster = Fritz, Erin, Sadie, Bo (& Lucy the Weim)
1991 Beaver Marquis 40' (1,225 ft. lbs. torque)
2011 JGC Overland Summit Toad / U.S Gear Brake
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11-19-2018, 02:03 PM
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#2
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Member
Join Date: Sep 2018
Location: Near Denver
Posts: 50
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Quote:
Originally Posted by fkloster
1991 Beaver with 3176 cat mated to allison 4 speed... all air coach
throttle air
tranny air
we are painting her and painter pulled coach into shop and shut down while still in drive... coach sat all weekend... now when they try and start... it won't because its in drive... but the transmission won't shift due to lack of air pressure. can't get pressure because engine won't start!
any help much appreciated!
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Need to find where you can hook up an outside supply of air pressure on your RV. Should be near tanks. Portable air pressure will work.
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11-19-2018, 02:08 PM
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#3
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Senior Member
Monaco Owners Club
Join Date: Aug 2017
Location: Orlando, Florida
Posts: 5,819
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Maybe the 4-spd Allison is different than the 6-spd I have.
The Allison manual for my tranny says if the engine is shut off with transmission in gear, it will switch to neutral the next time the ignition is turned on.
Does you transmission shift mechanically or electrically (like the 6-spd model).
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11-19-2018, 02:09 PM
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#4
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Senior Member
Vintage RV Owners Club
Join Date: Jul 2009
Location: Beaverton, OR
Posts: 312
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Quote:
Originally Posted by P38
Need to find where you can hook up an outside supply of air pressure on your RV. Should be near tanks. Portable air pressure will work.
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tanks look like they are prepped to give air to air tools and such... i do not see where they can be hooked up to get air
__________________
fkloster = Fritz, Erin, Sadie, Bo (& Lucy the Weim)
1991 Beaver Marquis 40' (1,225 ft. lbs. torque)
2011 JGC Overland Summit Toad / U.S Gear Brake
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11-19-2018, 02:14 PM
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#5
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Oct 2009
Location: E WA or S TX
Posts: 4,057
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Use the paint compressor to air up the coach. Look for fitting behind front grill.
__________________
04 Horizon QD, 12 Ford Flex, Excalibar, Brakemaster, Winter Texan, RVin! since 1974
Norm, Donna & Tinker Kat(RIP) 01 Z3
Life is a Timed Event, you only get One Go Around!
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11-19-2018, 02:18 PM
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#6
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Senior Member
Join Date: Jul 2014
Posts: 35,417
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Look at the bottom or the tanks for drain valves.
Take on out and fill from there. There may be 3 drains. Find the on on the smallest tank or the shorter section of a tank with 2 drains. A weld seem will be visable on a 2 chamber tank.
You can also just jump the starter solenoid to get it running. Be sure your not in danger while starting it in gear. Once a bit of air builds, shift to neutral.
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11-19-2018, 02:38 PM
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#7
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Senior Member
Vintage RV Owners Club
Join Date: Jul 2009
Location: Beaverton, OR
Posts: 312
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Quote:
Originally Posted by CountryB
Maybe the 4-spd Allison is different than the 6-spd I have.
The Allison manual for my tranny says if the engine is shut off with transmission in gear, it will switch to neutral the next time the ignition is turned on.
Does you transmission shift mechanically or electrically (like the 6-spd model).
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It shifts Pneumatically... air actuated. not Electric
__________________
fkloster = Fritz, Erin, Sadie, Bo (& Lucy the Weim)
1991 Beaver Marquis 40' (1,225 ft. lbs. torque)
2011 JGC Overland Summit Toad / U.S Gear Brake
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11-19-2018, 02:49 PM
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#8
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Senior Member
Join Date: Jul 2018
Posts: 2,812
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Find the drain valve on the wet tank [should be under coach at back] engine air compressor will go to dryer [if you have one] then to wet tank. Remove drain valve and screw in quick connect air fitting or better still, a T with the drain valve and air fitting on it, and use electric air compressor to fill. Then shift to neutral and start coach.
__________________
Foretravel tag axle 40 ft. 500 hp/1550 ft/lbs ism 1455 watts on the roof. 600 a/h's lithium down below.
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11-19-2018, 02:50 PM
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#9
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Senior Member
Join Date: Jul 2018
Posts: 4,920
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Quote:
Originally Posted by fkloster
tanks look like they are prepped to give air to air tools and such... i do not see where they can be hooked up to get air
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Air doesn't care. You may need a gender-bender quick connect fitting but you should be able to get enough air in the system to get your transmission to shift.
__________________
2005 Four Winds Majestic 23A
“To the world you may be one person; but to one person you may be the world.” - Dr Suess
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11-19-2018, 03:01 PM
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#10
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Senior Member
Join Date: Dec 2013
Location: Lake Havasu City, AZ & Plover, WI
Posts: 6,403
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Most DP will have an air fitting to air up the suspension for if and when the coach needs to be towed. You might have to change the hose from a female to a male to plug into the coach. When we were towed close to 20 years ago, it was a simple thing to do.
__________________
2006 Monaco Executive 44 Denali
2013 43 QGP Allegro Bus ( SOLD )
2013 Avalanche
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11-19-2018, 03:05 PM
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#11
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Senior Member
Vintage RV Owners Club
Join Date: Jul 2009
Location: Beaverton, OR
Posts: 312
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UPDATE...: the service department inflated the FRONT air tanks... and the front suspension rose. When they got in the coach... they checked the air gauge. One of the needles is on 120 psi... the second orange needle is still on Zero. The transmission still will not shift out of "D". I am told this coach has two separate compressors one for front one for rear bags and engine. they are looking for rear tank
__________________
fkloster = Fritz, Erin, Sadie, Bo (& Lucy the Weim)
1991 Beaver Marquis 40' (1,225 ft. lbs. torque)
2011 JGC Overland Summit Toad / U.S Gear Brake
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11-19-2018, 03:18 PM
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#12
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Senior Member
Join Date: Jul 2014
Posts: 35,417
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There are 3 tanks, connected to one compressor.
The compressor supplies the wet tank. That tank supplies the 2 tanks that have gauges.
If they keep trying, they will find the correct tank to fill.
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11-19-2018, 03:52 PM
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#13
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Senior Member
Vintage RV Owners Club
Join Date: Jul 2009
Location: Beaverton, OR
Posts: 312
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UPDATE... they found rear fill and coach is now running again
thanks fellas!
__________________
fkloster = Fritz, Erin, Sadie, Bo (& Lucy the Weim)
1991 Beaver Marquis 40' (1,225 ft. lbs. torque)
2011 JGC Overland Summit Toad / U.S Gear Brake
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11-19-2018, 09:24 PM
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#14
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Senior Member
Join Date: Oct 2016
Posts: 1,454
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That was an interesting read
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