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Old 12-14-2015, 10:43 AM   #71
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Brother Les has a 2013 Forest River Salem Hemisphere SBT312QBUD. Man that was hard to type.
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Old 12-15-2015, 12:54 PM   #72
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Welcome to the forum and thanks for starting the thread. We have our 312 for a couple of years.... and still getting the bugs out.

Slide problems
Axle and hub problems
Fresh water tank self draining problems.

The factory does not fill the spindle and hub cavity with axle grease. 'Manuel' says to pull hubs and repack bearing once a year(do it or 'your warranty' on your axles are voided). I would jack you tires off the ground and pull them in and out to make sure that the bearings/castle nut are tight. Also the carter key in the spindle is about as cheap as they come and will/may break.

My trailer brakes are self adjusting when braking -GOING FORWARD-. See if you have this style and check them and back them off when need be.

I had to get a Thin Wall Socket to be able to take the wheels off, as a 4-way will not work.

Fresh water tank would self siphon out more of the water at the breather tube so I installed a shut off valve and open it up when set up at camp.

Keep an eye on your tires, I have D rated tires that came with the unit and on 'china bomb' exploded with about 200 miles on it after I bought it. I now have two spares with me at all times. I installed one of these BAL - Innovative Products for the RV Industry

Learn how to use the over ride controls on your slides outs. When you have a jam up you will want to know how to get them in/out. My slide would go out ok, but coming in, the 'slide' would tilt down and drag too hard on the rollers on the floor under the slide. Found out that the in wall carriage would kick out at the bottom and push out the outside panel and loosened the outside screws that kept the Assembly in the wall. Ended up drilling a few more screw holes and put in some heavier screws to stop the movement on the main slide.

The outside kitchen door (up/down) was jamming and found out that the screws holding it along the top were not heavy enough to hold it up and they will work out.

The inside kitchen faucet looks nice, but it is cheap junk that will leak badly everywhere. Replace it with a home one that you like from Home Depot/Lowes/etc.

You will want to put scissor jacks under it, as the 'stabilizers' too little to nothing in stabilizing it or holding it up (gets a lot of weight off the electric jack when camping with the scissor jacks). I use quick release plates (save a jack) and pull the jacks off when going down the road.
SaveAJack.com

I also have a canopy hold down kit and poles from "OC".
Awning hold down poles.

Also get a surge protector.

Thanks for the info about the four way I just checked mine, and my 4 way will not fit. Do you know the socket size for the lugs?


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Old 12-15-2015, 01:33 PM   #73
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Thanks for the info about the four way I just checked mine, and my 4 way will not fit. Do you know the socket size for the lugs?


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I will look at it and get back to you. I use a socket (thin wall) with a half inch exstension and a large half inch wratchet. I also have a torque wrench to make sure that they are even.
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2001 CrewCab F-250 7.3 PowerStroke Diesel
SuperChip, BTS transmission, 6.0 Trans Cooler
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Old 12-15-2015, 07:26 PM   #74
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Socket size is 13/16.
Get a long neck 13/16 that fits a half in ratchet/extension.
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2001 CrewCab F-250 7.3 PowerStroke Diesel
SuperChip, BTS transmission, 6.0 Trans Cooler
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Old 12-17-2015, 12:35 PM   #75
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Socket size is 13/16.
Get a long neck 13/16 that fits a half in ratchet/extension.

Brother les
Thanks you probably saved me a long wait on side of road for road side assistants.
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Old 12-17-2015, 01:32 PM   #76
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Brother les
Thanks you probably saved me a long wait on side of road for road side assistants.
You should also some 2x6 boards of several leangths in order to build a step up ramp/type to pull your unit up on if you have a flat. by using one wheel to lift the side that you have a flat, you can get your flat tire high enough to change to the spare. Camping world sells a unit that can be used, but I use treated boards, as I can use them for other useages if needed.
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2013 Forest River Salem Hemisphere SBT312QBUD

2001 CrewCab F-250 7.3 PowerStroke Diesel
SuperChip, BTS transmission, 6.0 Trans Cooler
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Old 12-19-2015, 06:10 AM   #77
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You should also some 2x6 boards of several leangths in order to build a step up ramp/type to pull your unit up on if you have a flat. by using one wheel to lift the side that you have a flat, you can get your flat tire high enough to change to the spare. Camping world sells a unit that can be used, but I use treated boards, as I can use them for other useages if needed.

I carry 2x6s but I have found I prefer the plastic "Lego" style block for leveling, so I assume I could use them for this purpose. But when it comes to changing a tire I just use my 6 ton bottle jack. IMHO this faster and easier. But this is why I joined this forum,to learn different ways of doing things so thank you for the information.
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Old 12-20-2015, 09:52 PM   #78
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I carry 2x6s but I have found I prefer the plastic "Lego" style block for leveling, so I assume I could use them for this purpose. But when it comes to changing a tire I just use my 6 ton bottle jack. IMHO this faster and easier. But this is why I joined this forum,to learn different ways of doing things so thank you for the information.

These units are heavy, be very careful when lifting tires off the ground. Never put your jack on the axle 'beam'. you will/can bend this very easily. I used to use a jack (I carry one) but not anymore. It is very quick for me to change a tire by breaking the lugs loose with the flat on the ground and then pulling the unit up on my 'lift' boards to where the flat is an inch or so off the ground. Pull the flat off and put spare on and tighten and then back the unit off the boards/lift, then torque down the lug nuts. To me it is faster, to me it is imo safer, as I am never under the unit. Safety, first and always. (I also have the red 'lego' blocks, but have not used them to change a tire.
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2013 Forest River Salem Hemisphere SBT312QBUD

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SuperChip, BTS transmission, 6.0 Trans Cooler
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Old 12-21-2015, 07:49 AM   #79
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312QBUD Owners Thread

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Originally Posted by Brother Les View Post
These units are heavy, be very careful when lifting tires off the ground. Never put your jack on the axle 'beam'. you will/can bend this very easily. I used to use a jack (I carry one) but not anymore. It is very quick for me to change a tire by breaking the lugs loose with the flat on the ground and then pulling the unit up on my 'lift' boards to where the flat is an inch or so off the ground. Pull the flat off and put spare on and tighten and then back the unit off the boards/lift, then torque down the lug nuts. To me it is faster, to me it is imo safer, as I am never under the unit. Safety, first and always. (I also have the red 'lego' blocks, but have not used them to change a tire.

Brother Les,
I do not understand how driving it up on a ramp puts any less force on the axle. If you place a bottle jack were the suspension attaches to the axle you are not putting any more force on it than if I drove the other tire up on a ramp.
As far as safety when using a jack I am only place an arm under trailer and by using the natural movement in suspension I am not tilting the entire trailer. Also by leaving the other tire on the ground it allows me to properly chalk the tires.
I mean no disrespect to you, I love gaining new knowledge,I am simply try to under stand where you are coming from.


2014 Heritage Glen 312QBUD
2015 RAM 1500 Crew Cab
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Old 12-21-2015, 09:08 AM   #80
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Brother Les,
I do not understand how driving it up on a ramp puts any less force on the axle. If you place a bottle jack were the suspension attaches to the axle you are not putting any more force on it than if I drove the other tire up on a ramp.
As far as safety when using a jack I am only place an arm under trailer and by using the natural movement in suspension I am not tilting the entire trailer. Also by leaving the other tire on the ground it allows me to properly chalk the tires.
I mean no disrespect to you, I love gaining new knowledge,I am simply try to under stand where you are coming from.


2014 Heritage Glen 312QBUD
2015 RAM 1500 Crew Cab

Each will learn and do what is comfertable to themselves (safety always). No disrespect felt at all. Put your jack on the U-Bolt (area), as any farther to the center of the unit axle beam will cause the possiablility of bending the axle beam and with that, the spindle will not be true.
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