617 Sanden style A/C Compressor Mounting Kit For Sale + Installation Instructions - PeachParts Mercedes-Benz Forum

mach4 · #1 08-31-2012, 03:06 PM

Quote:

Originally Posted by ROLLGUY

I had to get 45 degree fittings. The 90 degree fittings make it too cramped for the oil cooler hoses and A/C hoses in the same area. With the 45 degree fittings, I was able to sneak the A/C hoses in between the oil cooler hoses. It is still very tight, but it works. Rear exiting fittings are preferable.

One of mine might work...

DeliveryValve · #2 08-31-2012, 04:12 PM

I'm keeping the existing JD head and fit the hard line fittings to the existing w123 hose setup.

This is the discharge - high side line fitting that I will bend to attach to the lower hose going underneath the front pulley.

For suction - low side line, I'm going to cut the stock hard coupling to the upper low side line and braze the compressor fitting to it.

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capflya · #3 08-31-2012, 04:41 PM

Quote:

Originally Posted by DeliveryValve

I'm keeping the existing JD head and fit the hard line fittings to the existing w123 hose setup.

For suction - low side line, I going to cut the stock hard coupling to the upper low side line and braze the compressor fitting to it.

.

Want to make an extra set?

DeliveryValve · #4 08-31-2012, 04:54 PM

Quote:

Originally Posted by capflya

Want to make an extra set?

That might be possible, I have 4 complete w123 Federal lines I could cut up and re-hose. Just need to find more fittings.

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DeliveryValve · #5 04-30-2013, 03:48 AM

Quote:

Originally Posted by DeliveryValve

I'm keeping the existing JD head and fit the hard line fittings to the existing w123 hose setup.
...

...
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I've been taking my good ole time putting this together, but just to update, I decided I'm going to scrap the use of the JD rear head and I am now going to use the GH rear head for the Sanden 7H15 compressor.

The GH rear head has the similar manifold pad as the R4 setup. The advantage is that it can use the same hoses as in the stock with a little modifications. The GH rear head will put the Sanden compressor 90° towards the passenger side and will use sealing washers to seal the connection. In researching more, I think the QC head would use the same type of O-Rings as in the original Harrison R4.

Here are pics of the GH rear head setup.

Shot of the GH rear head.

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DeliveryValve · #6 04-30-2013, 03:54 AM

This pic shows how much I bent the modified manifold to make it work with the Sanden. EDIT: this pic shows the bottom of the compressor.

The oil cooler lines had to be placed closer to the engine block in order for the Suction line to clear the side.

The discharge lower rubber hose will need to be lengthen to be properly seated underneath the fan shroud as in the stock setup.

The GH head uses a smaller diameter center mounting bolt. To prevent potential movement, I made a bushing to close the gap on the manifold.

I have a ways to go with this project. I still need to rip apart the dash so I can clean out the evaporator. I'm dreading this task and just dragging my feet on it. I'm putting in new hoses and a new parallel condenser that larger than my existing one. I'm looking forward to when this done.

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ROLLGUY · #7 04-30-2013, 09:54 AM

Quote:

Originally Posted by DeliveryValve

This pic shows how much I bent the modified manifold to make it work with the Sanden

The oil cooler lines had to be placed closer to the engine block in order for the Suction line to clear the side.

The discharge lower rubber hose will need to be lengthen to be properly seated underneath the fan shroud as in the stock setup.

The GH head uses a smaller diameter center mounting bolt. To prevent potential movement, I made a bushing to close the gap on the manifold.

I have a ways to go with this project. I still need to rip apart the dash so I can clean out the evaporator. I'm dreading this task and just dragging my feet on it. I'm putting in new hoses and a new parallel condenser that larger than my existing one. I'm looking forward to when this done.

.

Awesome engineering job! That will look almost factory when it is done! How are you going to deal with the different size hose when replacing it? Do you have metric hose and sleeves available?

daw_two · #8 04-30-2013, 10:22 AM

I recently purchased a GH head and compressor. These are enroute and I hope to have pics by the middle of next week. My pics though will be with the engine IN the car.

Thanks, DeliveryValve, for your assistance.

mach4 · #9 04-30-2013, 11:43 AM

Quote:

Originally Posted by ROLLGUY

How are you going to deal with the different size hose when replacing it? Do you have metric hose and sleeves available?

One way is to just cut the barb off the fitting you need to adapt and weld on a new barb or beadlock fitting.

The way the MB fittings are made its all but impossible to reuse the barb to attach a new hose. The ferrule appears to be welded on.

DeliveryValve · #10 04-30-2013, 04:54 PM

Quote:

Originally Posted by ROLLGUY

Awesome engineering job! That will look almost factory when it is done! ....

I like the fact this will look somewhat factory. At least to the non-discerning eye.

Quote:

Originally Posted by ROLLGUY

... How are you going to deal with the different size hose when replacing it? Do you have metric hose and sleeves available?

mach4 shows exactly how my local A/C hose shop did my hoses for the Parallel Flow Condenser. So it is a safe bet they will do the same with discharge line. VVV

Quote:

Originally Posted by mach4

One way is to just cut the barb off the fitting you need to adapt and weld on a new barb or beadlock fitting.

The way the MB fittings are made its all but impossible to reuse the barb to attach a new hose. The ferrule appears to be welded on.
.....

Another possible way is to not replace the lower rubber hose and build a mount that will allow the hose to not touch the pulleys and drive belts.
I planned to replace the hose regardless because the existing hose is pretty much original. So since I'm doing that, I'll just have them add a couple of inches in length.

BTW - I have an extra GH rear plate with a slightly buggard thread (but still holds fine) on the center bolt hole that I can sell for cheap. I can also shape/bend another stock manifold fitted to Rollguy's Gen 1 Sanden bracket and have the a/c shop replace the additional hose since I'm doing mine.
If interested, PM me.

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ROLLGUY · #11 04-30-2013, 05:26 PM

Quote:

Originally Posted by mach4

One way is to just cut the barb off the fitting you need to adapt and weld on a new barb or beadlock fitting.

The way the MB fittings are made its all but impossible to reuse the barb to attach a new hose. The ferrule appears to be welded on.

That is exactly how I do it when the fittings and hose size don't match. I was just interested how DeliveryValve was going to do it.

ROLLGUY · #12 08-31-2012, 07:06 PM

Quote:

Originally Posted by mach4

One of mine might work...

Come to think of it, I did use the smaller 90 degree fitting (there was enough room), and had to get a 45 for the larger one. If you can remove the old sleeves and hose, then yes, they can be re -used.

DeliveryValve · #13 09-03-2012, 02:18 AM

I had some time today to mock up the compressor on a spare motor.
Alignment looks good, except for the belt sizing for my specific compressor. Rich, what is the belt size that we have here? I am going to need a shorter diameter belt.

The compressor I'm using is a Sanden 7h15 and according to the Sanden catalog for my particular model, it has a 125mm pulley. Once installed and up and running, I have no doubt this belt will stretch. To tighten it up more, the tensioner pulley will eventually hit the vacuum pump.

On another note, check out how small this Sanden 7h15 is compared to this original Harrison R4.

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charmalu · #14 09-03-2012, 02:44 AM

That is a nice tidy compact unit compared to the monster it replaced.
Too bad this wasn`t installed from the factory.

Charlie

ROLLGUY · #15 09-03-2012, 10:28 AM

Quote:

Originally Posted by DeliveryValve

I had some time today to mock up the compressor on a spare motor.
Alignment looks good, except for the belt sizing for my specific compressor. Rich, what is the belt size that we have here? I am going to need a shorter diameter belt.

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The belt that comes with the kit is a 17390 (1/2"wide X 39"). It appears that you need a 3/8 wide belt for your compressor. You may want to find out what vehicle your compressor is used for, and look up the size belt required. Rock Auto is a great resource for finding specifications and looking up part numbers. Thanks for the great photos. They look a lot better than my mock up photos!