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Engine Discussion of preventative/corrective maintenance and other technical issues regarding your coach's engine.

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  #1  
Old 09-30-2019
Butch Charpentier Butch Charpentier is offline
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Default Alarmstat

On my 8V92 I have an alarmstat with the numbers 05511 stamped on it. The single post for connecting the wire is lose and turns. I know that what I can see is not the total number. Can anyone give me the whole number? The other thing is that every once in a while after a severe jolt to the coach the warning lights and buzzer warning of emanate engine shut down come one for about 10 seconds. That alarmstat is the only sensor which had something obviously wrong with it so that is why I plan on replacing it. Does anyone else have any suggestions?
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Old 09-30-2019
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Butch,
Read this post at #64 by Shane Fedeli and see if this is the one.

https://www.wanderlodgeownersgroup.c...t=13647&page=7

https://class8truckparts.com/kysor-c...34-switch.html
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Old 10-01-2019
Butch Charpentier Butch Charpentier is offline
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Yes that was a big help and you can see I'm getting old. I didn't remember I was involved in that post. At any rate I'm going to hijack my own post here and ask if anyone can give me the three hydraulic filter and the small filter numbers. Also what oil is used in that system.
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Last edited by Butch Charpentier; 10-01-2019 at 08:22 AM. Reason: wasn't done
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Old 10-01-2019
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There are 3 filters inside the hydraulic reservoir plus 1 high pressure filter element that’s inside a metal filter housing located on the frame near the Tag Axle mud flap on the driver’s side. The high pressure filter is often overlooked during hydraulic filter changes due to its hidden location. Requires 3 reservoir filter elements BB #2138246, Nelson #83284D, Donaldson #P550698, WIX #57316 or #57317. Also Fluoroelastomer O-ring V92151 or Parker #N92151

also, "O RING" Catepillar 119-7844 and is printed on the o-ring, The package has number 1 1197844 1008477. Parker Nitrile O-ring part number is N92151

Use 10W-30 OIL

Parker 925835, Baldwin PT8498, Fleetguard HF7795, Donaldson P170073, WIX 57125, CATERPILLAR 3I1720 and others
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Old 10-01-2019
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When you put the high pressure filter in, go wild tightening that thing down.. I haven't seen a torque spec, but I would bet it is about wheel lug torque.

I lost about 6 qts of oil heading West early this year. It felt really tight but I had to get the impact gun on it for a few min to stop the pressure leak. If you prefill the filter you're going to need to lift some weights before as that filter housing - full and the angle really makes for a work out.
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  #6  
Old 10-01-2019
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I fill the big tank before putting the top on.
easy peasy.
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  #7  
Old 10-01-2019
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Dieselbird01 Dieselbird01 is offline
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Quote:
Originally Posted by Kiwi3 View Post
When you put the high pressure filter in, go wild tightening that thing down.. I haven't seen a torque spec, but I would bet it is about wheel lug torque.

I lost about 6 qts of oil heading West early this year. It felt really tight but I had to get the impact gun on it for a few min to stop the pressure leak. If you prefill the filter you're going to need to lift some weights before as that filter housing - full and the angle really makes for a work out.
The Torque spec is 65-70 Ft Pounds and that should be plenty! Sounds like you have a bad O-Ring or somethings wrong with the bowl or the head.
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Old 10-01-2019
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Quote:
Originally Posted by Dieselbird01 View Post
The Torque spec is 65-70 Ft Pounds and that should be plenty! Sounds like you have a bad O-Ring or somethings wrong with the bowl or the head.
Dooh...
Well I guess I'm going to get to take that apart again then..
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Old 10-01-2019
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Quote:
Originally Posted by Kiwi3 View Post
Dooh...
Well I guess I'm going to get to take that apart again then..
If the O-Ring didn't get cut or pinched during installation, it might be ok to leave it alone now that you have it "snugged" up enough that it's not leaking, but usually a new O-Ring and 65-70 ft lbs works fine.

For those contemplating changing their high pressure filter element, here are a couple of pictures from my last filter element change that show why using a new O-Ring is recommended:


Top view - Old O-Ring is on the left: Click twice to zoom.

Click image for larger version

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ID:	64444



Side view - Old O-Ring is on the left: Click twice to zoom.

Click image for larger version

Name:	IMG_5056.jpg
Views:	42
Size:	201.3 KB
ID:	64445
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1991 40' WLWB-WTB
Body Number F095567
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1991 40' WB ...From 2008 - Present
1984 ½ PT-36 .From 2000 - 2008
1973 FC-31 .....From 1991 - 2001
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  #10  
Old 10-02-2019
Butch Charpentier Butch Charpentier is offline
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OK here's what I'm doing. I'm replacing the alarmstat with a 210 degree one. I'm replacing the three filters and the high pressure filter, plus o-ring. Also I think I'm going to use the John Deere hydraulic fluid as Randy suggested. The other thing is I'm going to inspect the interior of the hydraulic hoses and replace as necessary.
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