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Author Topic: How to get an A/C on the roof by yourself  (Read 1386 times)

HueyPilotVN

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How to get an A/C on the roof by yourself
« on: July 12, 2018, 08:57:50 PM »
Today they delivered my new Dometic 15K A/C heat pump for the roof of my coach.

I thought it might be lighter than it is.

It is hard to find any kind of day labor to do simple things like lifting here in Lake Havasu.

So I worked out a way to get the A/C up on the roof by myself, at least the first part.

I have a roll around scaffold that I use for reaching the top half of my coach.  It is about 6 feet high.

I locked the wheels, put a ladder from the floor to the scaffold and then used the golf cart and a couple of straps to slide the A/C up and on the scaffold.

This gets me half way there.  The next step is going to be the challange.  I might have to break down and get someone to get on one end and help me lift it 6 feet to the roof.
« Last Edit: July 12, 2018, 08:59:22 PM by HueyPilotVN »
Bill Waugh
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Sun2Retire

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Re: How to get an A/C on the roof by yourself
« Reply #1 on: July 12, 2018, 09:34:32 PM »
If you had thumbs youd be dangerous Bill.  ;)   



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FenderP

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Re: How to get an A/C on the roof by yourself
« Reply #2 on: July 12, 2018, 09:40:20 PM »
Im always down for providing free labor -get a good primal workout. Too bad Im about 15 hours away. I would even keep my mouth shut if you wanted (hard to believe, but it is true!).

Good luck and be safe!
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8Muddypaws

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Re: How to get an A/C on the roof by yourself
« Reply #3 on: July 12, 2018, 10:34:20 PM »
Are you doing this in your RV garage?  Anywhere you could hang a block & tackle?
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HueyPilotVN

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Re: How to get an A/C on the roof by yourself
« Reply #4 on: July 12, 2018, 11:13:44 PM »
I am outside on the RV Pad next to the garage.

I placed the ladder against the side of the RV.  I shortened it to fit and anchored it to the scaffold and place the scaffold against the privacy wall.

Looking across the roof I see three roof vents.  I tossed a rope over the one and am using it as a safety anchor and have the ratchets hooked to the rope.

I am using three straps with ratchets, moving one at a time to readjust and shorten the straps.

Went fine till I got hung up on the edge with one of the straps.  The A/C slid off the side of the ladder.  No problem it is held by the straps.

I am going to quit for the night, too dark, will push it back on the ladder and finish tomorrow.

Bill Waugh
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OBX

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Re: How to get an A/C on the roof by yourself
« Reply #5 on: July 12, 2018, 11:18:53 PM »
If you can affix a strap to the bottom edge against the wall you might be able to pull and roll the AC up over the edge.

Another option may be extending a ladder its maximum length and leaning it way out to give you a lower angle to slide it up.

HueyPilotVN

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Re: How to get an A/C on the roof by yourself
« Reply #6 on: July 12, 2018, 11:25:58 PM »
Thanks.

It will slide over the edge as it is because the ladder top is just at the edge of the roof.  The problem is that the strap is pulling at a little angle and it caught and the A/C slid off the edge of the ladder.  No problem. I will readjust it tomorrow.

I can actually move it back on the ladder from the side on a step ladder.

It was getting too dark to see well.

The base of the ladder is against the privacy wall and is very secure.  The angle is not a problem. 

The real problem is that by doing this alone I had no one to watch the A/C to make sure it was not off center on the ladder as I raised it with the ratchets on the center of the roof where I could not see the A/C.
« Last Edit: July 12, 2018, 11:29:06 PM by HueyPilotVN »
Bill Waugh
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Arch Hoagland

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Re: How to get an A/C on the roof by yourself
« Reply #7 on: July 13, 2018, 12:14:14 AM »
You need to video all this and send it to The World's Funniest Videos. You might win $10,000 when something interesting happens.

If you are still around to collect it that is.

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HueyPilotVN

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Re: How to get an A/C on the roof by yourself
« Reply #8 on: July 13, 2018, 12:19:20 AM »
I fully anticipate a safe arrival on the roof.

If I had someone to video it I would not need to be doing this by myself.
Bill Waugh
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Robert K

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Re: How to get an A/C on the roof by yourself
« Reply #9 on: July 13, 2018, 03:42:21 AM »
Maybe check tool rental store and see if they have a duct lift. It is like a manuel forklift with crank up forks used to put pieces of duct in place.
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Re: How to get an A/C on the roof by yourself
« Reply #10 on: July 13, 2018, 04:01:12 AM »
Bill - The simple way to get day laborers is to stop by a Home Depot in the morning. There are usually a few people standing around looking for work.
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HueyPilotVN

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Re: How to get an A/C on the roof by yourself
« Reply #11 on: July 13, 2018, 04:13:46 AM »
Not in Lake havasu.

Tried that.
Bill Waugh
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xrated

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Re: How to get an A/C on the roof by yourself
« Reply #12 on: July 13, 2018, 05:03:59 AM »
I've got a new Dometic Brisk II coming next week for my Toy Hauler garage area.  My plan is to pull the T.H. part of the way out of the carport that it resides in.  I have a 4 sheve rope hoist that is going to be attached to one of the cross braces in the carport overhead.  The A/C unit will be tied onto the hook of the rope hoist, and hoisted up in the air until it's high enough to back the trailer under it, then lowered in place onto the top of the trailer.  The 4 sheve rope hoist will give me an approx. 4 to 1 reduction in lifting weight for me to be able to pull it up then tie it off securely until the trailer is under it.
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spencerpj

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Re: How to get an A/C on the roof by yourself
« Reply #13 on: July 13, 2018, 06:36:18 AM »
I would even keep my mouth shut if you wanted

That would be a deal breaker for me  ::)

Good Luck HueyPilot


Bill N

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Re: How to get an A/C on the roof by yourself
« Reply #14 on: July 13, 2018, 07:10:35 AM »
Bill that fellow in the desert that you gifted the generator to may be willing to help return the favor in the form of labor.

Bill
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Rene T

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Re: How to get an A/C on the roof by yourself
« Reply #15 on: July 13, 2018, 07:23:19 AM »
What I would do Bill is find one of the ceiling joist in the coach bay and screw in a 1/2" eye  bolt  about 4" long. Then run a rope thru the eye. Tie one end around the AC and the other end to one of your jeeps. Then pull on the rope with the jeep till the AC is high enough so you can back the coach under it the just lower it with the jeep.  Easy because you have overhead doors at both ends of the bay.  I see in one of your pictures you can see the seem where the joist is.   
« Last Edit: July 13, 2018, 07:26:25 AM by Rene T »
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Senator

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Re: How to get an A/C on the roof by yourself
« Reply #16 on: July 13, 2018, 07:39:46 AM »
How much do these things weigh?  Aren't they only about 80 lbs?  If you cannot just carry them up a ladder, maybe a drywall jack would have been easier?  Or a come-along?  Or just push it up the ladder rails as you go up?  Good job, but seems to be a lot of work.

I would still be worried about tearing out a roof vent on the building if there was a sudden jerk.  Then you may have a leaking roof.
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dave61

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Re: How to get an A/C on the roof by yourself
« Reply #17 on: July 13, 2018, 08:52:33 AM »
A block and tackle rigged inside the bay would easily lift the 100 or so pounds. Once lifted and secured move the RV into position so it can be lowered onto the roof.
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Re: How to get an A/C on the roof by yourself
« Reply #18 on: July 13, 2018, 09:38:35 AM »
Bill, Do you have a tree that is taller than the RV?  If so hoist it up the tree then drive under it.  Sounds simple until you start looking for a tree tall enough.

Too bad you arent in Florida I have several machines that could get it up there.
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Rene T

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Re: How to get an A/C on the roof by yourself
« Reply #19 on: July 13, 2018, 10:04:05 AM »
A block and tackle rigged inside the bay would easily lift the 100 or so pounds. Once lifted and secured move the RV into position so it can be lowered onto the roof.

That's a good idea. Why didn't I think of that.   :o ::) ;D ;)
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John From Detroit

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Re: How to get an A/C on the roof by yourself
« Reply #20 on: July 13, 2018, 10:52:45 AM »
Don't know about the heat pump models but my Coleman AC only is 90 pounds shipping Less going up the roof. I have. on several occasions hauled 180 pounds up a ladder.  Of course I was much younger then (20's) but Up the ladder I hauled a FULL Square of Art-Lock Shingles or 180 pounds. Several times.
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HueyPilotVN

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Re: How to get an A/C on the roof by yourself
« Reply #21 on: July 13, 2018, 12:39:05 PM »
Shipping weight 156 pounds.

It is still hanging about a foot from the roof edge.

The ceiling height is about 15 ft and the A/C only clears now with the air bags dumped.

I have a Dr. Appoint in 1/2 hour, then I will continue raising it.

Got too dark last night.

The roof vents are not your common small vents.
Bill Waugh
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Re: How to get an A/C on the roof by yourself
« Reply #22 on: July 13, 2018, 01:06:32 PM »
24 HOUR WARNING

"The compressor of an air conditioner is a bit like a small electric motor in that it has gears and turning parts that require lubrication. The lubrication in the air conditioner compressor comes in the form of oil, typically located in the compressor case itself. When an air conditioner is turned on its side, this oil settles on the bottom half of the compressor and potentially deprives part of the compressor of oil, which can lead to damage and, eventually, compressor burnout.

If an air conditioner has been stored on its side, or if it has been shipped that way, take care to ensure it has been turned horizontally for a period of at least 24 hours prior to running the unit. This allows sufficient time for any oils and lubricants to resettle back to their proper levels, providing protection for internal gears and moving parts.

When you move the unit to the location where you plan to install it, you may have to set it on its side temporarily prior to setting it in place. It's fine to do this, as long as you don't install the unit sideways and you don't turn it on for 24 hours."
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HueyPilotVN

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Re: How to get an A/C on the roof by yourself
« Reply #23 on: July 13, 2018, 02:13:47 PM »
Good, That give me an excuse to let it sit on the roof for a day before I install it.

Too hot today anyway.

Going to get it up and on the roof later this evening.
Bill Waugh
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blw2

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Re: How to get an A/C on the roof by yourself
« Reply #24 on: July 13, 2018, 02:19:17 PM »
I wish I was closer, I'd come over and help....

I get the feeling you and are are alike in a way, because I can totally see myself doing all sorts of scheming and rigging like you're doing, in an effort to do it all by myself.
Big difference though.
   You seem to be taking your time, and being extra careful.  I often get in a hurry and take shortcuts.

You prob have it by now, but if you get stuck on it....maybe you could find a 2 or 3 upstanding teenagers...like 16-20 year olds around the neighborhood.  Maybe through a boy scout troop or church youth group...
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FenderP

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Re: How to get an A/C on the roof by yourself
« Reply #25 on: July 13, 2018, 05:45:27 PM »
That would be a deal breaker for me  ::)

Good Luck HueyPilot

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« Last Edit: July 13, 2018, 06:34:44 PM by FenderP »
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HueyPilotVN

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Re: How to get an A/C on the roof by yourself
« Reply #26 on: July 13, 2018, 05:58:21 PM »
Success,

Old age and craftiness triumphs over youth and strength

I could not wait till tonight, So first I pushed it back square on the ladder.

I rigged another strap and ratchet from the scupper that you can see in the last picture below, (strap thru and over it), and connected it to the other side of the A/C.

I took turns with the three ratchets till I got it to the roof edge and then just pulled on the center strap till it was safely on the roof.

As I was finished the neighbor from across the street came over.  He said "Need any help?",  "Nah I got this, piece of cake" said I.

Now I am going to take the above advice about letting the compressor sit for a day.  It gives me an excuse to rest up.
« Last Edit: July 13, 2018, 06:00:40 PM by HueyPilotVN »
Bill Waugh
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Mustang Bracket Race Car
Retired from the road to Lake Havasu after 35 years on the road

DutchEagle

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Re: How to get an A/C on the roof by yourself
« Reply #27 on: July 13, 2018, 09:37:03 PM »
Good job!!

I noticed the text on the box "Mobile Living Made Easy" don't you hate it when that is not true at all?

Left skid low :)
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Bill N

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Re: How to get an A/C on the roof by yourself
« Reply #28 on: July 14, 2018, 08:41:01 AM »

As I was finished the neighbor from across the street came over.  He said "Need any help?",  "Nah I got this, piece of cake" said I.

 

Sounds like you have a very smart neighbor.  He must have learned from me........lol

Bill
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garyb1st

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Re: How to get an A/C on the roof by yourself
« Reply #29 on: July 14, 2018, 10:49:09 AM »
Success,

Old age and craftiness triumphs over youth and strength


Yup.  Life would be a bummer if we lost that along with the muscle tone.  Congrats Bill.  Nice Job. 
Gary B1st

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