84-86 Ford SVO Mustang AC Installation Ford SVO Mustang AC Installation Kit.pdf84-86 Ford SVO...

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84-86 Ford SVO Mustang AC Installation Guide This installation guide is for the AC installation kit from Late Model Restoration. The Vendor is Hose Wizards that manufactures this great kit that provides a great conversion to AC 134a. This document is meant as a reference only and I assume no liability or This document is meant as a reference only and I assume no liability or warranty for this guide. (Sorry for the legal stuff). However, I thought it might be handy for those looking for a great alternative to running an R12 or is missing their air conditioning. I hope you find this useful. Thanks Rich

Transcript of 84-86 Ford SVO Mustang AC Installation Ford SVO Mustang AC Installation Kit.pdf84-86 Ford SVO...

Page 1: 84-86 Ford SVO Mustang AC Installation Ford SVO Mustang AC Installation Kit.pdf84-86 Ford SVO Mustang AC Installation Guide This installation guide is for the AC installation kit from

84-86 Ford SVO Mustang ACInstallation Guide

This installation guide is for the AC installation kit from Late Model Restoration.

The Vendor is Hose Wizards that manufactures this great kit that provides agreat conversion to AC 134a.

This document is meant as a reference only and I assume no liability orwarranty for this guide. (Sorry for the legal stuff). However, I thought it might behandy for those looking for a great alternative to running an R12 or is missingtheir air conditioning. I hope you find this useful.

Thanks

Rich

This installation guide is for the AC installation kit from Late Model Restoration.

The Vendor is Hose Wizards that manufactures this great kit that provides agreat conversion to AC 134a.

This document is meant as a reference only and I assume no liability orwarranty for this guide. (Sorry for the legal stuff). However, I thought it might behandy for those looking for a great alternative to running an R12 or is missingtheir air conditioning. I hope you find this useful.

Thanks

Rich

Page 2: 84-86 Ford SVO Mustang AC Installation Ford SVO Mustang AC Installation Kit.pdf84-86 Ford SVO Mustang AC Installation Guide This installation guide is for the AC installation kit from

84-86 Ford SVO Mustang ACInstallation Guide

Page 3: 84-86 Ford SVO Mustang AC Installation Ford SVO Mustang AC Installation Kit.pdf84-86 Ford SVO Mustang AC Installation Guide This installation guide is for the AC installation kit from

Condenser Installation

• The first step was to install the AC Condenser. I was able to do this without draining thecooling system.

• Take the top radiator brackets off and tilt the radiator back. If you still have your oldcondenser installed. Take the brackets off and remove it.

• Install the new condenser on the old mounts

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Compressor Brackets• Locate the install image included in the install kit. This will give you a good exploded assembly

diagram of the brackets. A great part of this install kit is that it includes EVERYTHING to installthe AC in here EXCEPT the Receiver/Dryer (Accumulator) bracket. Many times as SVO’schange hands the brackets are lost. No worries here! The main compressor bracket is verystraight forward as shown in the diagram. The upper bracket the supplier indicated it was notneeded. To use it will require modification.

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Compressor Brackets• Here’s a picture showing the main bracket installed first. It’s very straight forward. However,

there is a contact of the lower radiator hose. You have choice to try and shorten the hose.However, you have a greater risk of a sharp contact edge cutting the hose. I’m going to put aprotective sleeve instead since the contact is flat with no cutting edges. It’s not a severecontact so I think it will be ok since everything moves when the engine torques.

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Compressor Brackets• Now comes the secondary bracket. When the bracket was manufactured the material is a

little too wide. This will not clear the thermostat housing with the clearance needed toconnect at both points. The next page will show what I did.

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Compressor Brackets• Here you can see the small relief I ground off to allow the bracket to fit. Again, I was told it

wasn’t needed. But, decided to go ahead and modify and install.

I ground off approximately3/16 of an inch.

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Compressor Brackets• As you can see there is now enough clearance for the bracket to bolt up.

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Compressor Installation• The compressor mounting is straight forward with the diagram below. One of the many

things about this kit that impressed me was it had everything to install. The original bracketsare not used.

This where the tensionidler will be installed later

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Coolant Line Installation• The first step I did was to use a little amount of PAG 100 oil to lubricate the nitrile “O” rings

to allow easier assembly. The lines going to the condenser should “Click” into place. Makesure they are secure or they will blow out.

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Coolant Line Installation• On the back of the compressor there is a fitting that needs to be installed as shown to install

the lines to it. You will need to remove the sealing plate and bolt and discard. Then use theAllen Head Bolt to secure the fitting.

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Coolant Line Installation• Install the Receiver/Drier also called an Accumulator using the original bracket that came

with the car or you could fabricate your own. You can also install the liquid line to theevaporator also. Important tip! If you are re-using your evaporator it is HIGHLYRECCOMENDED you flush it to clean and remove any debris.

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Coolant Line Installation• This image shows the over all line install.

The last fitting will be on the liquid line withthe “Orifice Tube” filter.

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Pulley and Belt Routing• IMPORTANT!!! When installing the idler and belt it’s important to note this kit will work on 84 –

86 Mustang SVO’s. However, the kit was designed to work using the 3 Groove Crank Pulley thatwas on 84 to 85 ½ SVO Mustang. 85 ½ - 86 SVO Mustangs have a 3 Groove Water Pump Pulley.The belt angle on the water pump 3 groove set up will NOT grip the new compressor tightenough to turn when the clutch engages causing squealing and belt destruction. I tested everyway possible and had to switch to a 3 Groove Crank Pulley like the earlier years. The good newsis this pulley is fairly easy to find on online auctions new and used. Even a good pick and pullshould have a 2.3 lying around. An NOS pulley online is about $65 NEW, $40 Used, and even apick and pull around $15 to $20.

• IMPORTANT!!! When installing the idler and belt it’s important to note this kit will work on 84 –86 Mustang SVO’s. However, the kit was designed to work using the 3 Groove Crank Pulley thatwas on 84 to 85 ½ SVO Mustang. 85 ½ - 86 SVO Mustangs have a 3 Groove Water Pump Pulley.The belt angle on the water pump 3 groove set up will NOT grip the new compressor tightenough to turn when the clutch engages causing squealing and belt destruction. I tested everyway possible and had to switch to a 3 Groove Crank Pulley like the earlier years. The good newsis this pulley is fairly easy to find on online auctions new and used. Even a good pick and pullshould have a 2.3 lying around. An NOS pulley online is about $65 NEW, $40 Used, and even apick and pull around $15 to $20.

WILL NOT WORK ON THE WATERPUMP PULLEY 85 ½ to 86!

CORRECT BELT ROUTING ON THE3 GROOVE CRANK PULLEY LIKE 84 to85 ½.

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Pulley and Belt RoutingI’ve also noticed I don’t feel any bump when the AC clutchengages. It’s nice and smooth and silent.

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Final Compressor Wiring• The SVO’s original compressor wiring has a 2 wire connector. The wire with the

stripe should be the hot wire. The black is a ground. Since the compressor is selfgrounded to the block this wire is not needed. You can tape or heat shrink it toprotect it. Cut off the connector and discard it.

• The “Hot” striped wire will need to be lengthened to reach the trianary switch(This switch is to protect the compressor if the refrigerant pressure drops too low)in the liquid line. I recommend soldering and heat shrink tubing. Then add afemale blade type connector and plug into one side of the switch.

• Take the green wire from the compressor and add a female blade connector andhook to the other side. You will notice a “Black Solid wire” coming from thecompressor. This wire has been clipped and sealed inside the zip flex covering.Nothing is needed.

• The SVO comes standard with an electric fan. Whether you are running a stock fanor aftermarket make sure the fan can turn at 4200 CFM. Also, the factory harnesshas a trianary switch that will turn the fan on automatically when the AC calls forit. For aftermarket fans and custom setups contact your manufacturer.

• The SVO’s original compressor wiring has a 2 wire connector. The wire with thestripe should be the hot wire. The black is a ground. Since the compressor is selfgrounded to the block this wire is not needed. You can tape or heat shrink it toprotect it. Cut off the connector and discard it.

• The “Hot” striped wire will need to be lengthened to reach the trianary switch(This switch is to protect the compressor if the refrigerant pressure drops too low)in the liquid line. I recommend soldering and heat shrink tubing. Then add afemale blade type connector and plug into one side of the switch.

• Take the green wire from the compressor and add a female blade connector andhook to the other side. You will notice a “Black Solid wire” coming from thecompressor. This wire has been clipped and sealed inside the zip flex covering.Nothing is needed.

• The SVO comes standard with an electric fan. Whether you are running a stock fanor aftermarket make sure the fan can turn at 4200 CFM. Also, the factory harnesshas a trianary switch that will turn the fan on automatically when the AC calls forit. For aftermarket fans and custom setups contact your manufacturer.

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Final Compressor WiringThis is an image showing the “Trianary Pressure Switch”

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CAUTION AND WARNINGS

• If you are running a “Thicker Radiator” IE: a 3 row etc.. The vendorsays this can cause the AC System to “Blow Up” due to climbinghead pressures. In addition, if you are running a “clutch fan setup”and the clutch fails this will also cause a catastrophic failure.

• Make sure “High Side Pressure” does NOT go over 200lbs with aMAX of 220lbs anything over these, the AC System will not blowcold air.

• As stated earlier this system is meant replace a “STOCK” Factoryconfiguration. Anything other than that will VOID the systemwarranty!

(These are from the vendor in the documentation)

• If you are running a “Thicker Radiator” IE: a 3 row etc.. The vendorsays this can cause the AC System to “Blow Up” due to climbinghead pressures. In addition, if you are running a “clutch fan setup”and the clutch fails this will also cause a catastrophic failure.

• Make sure “High Side Pressure” does NOT go over 200lbs with aMAX of 220lbs anything over these, the AC System will not blowcold air.

• As stated earlier this system is meant replace a “STOCK” Factoryconfiguration. Anything other than that will VOID the systemwarranty!

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Charging and Tuning the AC System(This is from the vendor documentation)

• It is highly recommended you have a professional shop do thecharging and tuning or you are skilled with AC systems.

• Make sure you evacuate the system to remove any moisture with avacuum pump.

• The system requires 24oz of 134a Refrigerant. The cycle switch mayneed to be adjusted. Look into the top of the Accumulator with theplug out. You will see a flat blade adjustment screw. Turning thescrew counter clockwise will make the compressor stay engagedlonger. Clockwise will make it disengage sooner. DO NOT adjustmore than ONE BLADE WIDTH at a time! This process takes time toget right so be patient. The compressor must cycle 6 to 8 timesbetween adjustments. Make sure when you are adjusting you areset on “Max Air” and fan speed “2”. You should be seeing38degrees at idle.

• It is highly recommended you have a professional shop do thecharging and tuning or you are skilled with AC systems.

• Make sure you evacuate the system to remove any moisture with avacuum pump.

• The system requires 24oz of 134a Refrigerant. The cycle switch mayneed to be adjusted. Look into the top of the Accumulator with theplug out. You will see a flat blade adjustment screw. Turning thescrew counter clockwise will make the compressor stay engagedlonger. Clockwise will make it disengage sooner. DO NOT adjustmore than ONE BLADE WIDTH at a time! This process takes time toget right so be patient. The compressor must cycle 6 to 8 timesbetween adjustments. Make sure when you are adjusting you areset on “Max Air” and fan speed “2”. You should be seeing38degrees at idle.

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Vendor Contact Information

• Hose Wizards

• 1050 Cooper Road

• Suite B

• Grayson, Georgia 30017

• 770-972-7997

• Hose Wizards

• 1050 Cooper Road

• Suite B

• Grayson, Georgia 30017

• 770-972-7997