12Volt Air Compressor 12V6CF User Manual

“Air Where And When You Need It!”  
®
150 PSI  
6 CFM  
Model 12V6CF  
Serial No. ___________________  
____  
Questions?  
As a manufacturer, we are com-  
mitted to providing you complete  
customer satisfaction. If you have  
questions, or find there are missing  
or damaged parts, we will guaran-  
tee you complete satisfaction. To  
avoid unnecessary delays, contact  
your dealer immediately  
CAUTION:  
Read all safety precautions and  
instructions in the manual carefully  
OWNER’S MANUAL  
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TABLE OF CONTENTS  
IMPORTANT SAFETY PRECAUTIONS ................................................................................................. 4  
BEFORE YOU BEgIN  
PICTURE DIAgRAM ...................................................................................................................5  
INSTALLATION  
ASSEMBLY .................................................................................................................................. 6  
OIL .................................................................................................................................................6  
FINDINg A LOCATION FOR THE 12-VOLTAIR .......................................................................7  
DRILLINg/SECURINg ................................................................................................................7  
ELECTRICAL  
gROUND WIRE, POSITIVE WIRE ............................................................................. 8  
BATTERY FACTS (helping you pick the best battery for you).......................................... 8  
TOggLE SWITCH (OPTIONAL) ..................................................................................9  
CIRCUIT BREAkER (OPTIONAL) ...............................................................................9  
PLUMBINg AIR STORAgE TO YOUR COMPRESSOR  
CHOOSINg THE RIgHT SIzE AIR TANk ..................................................................10  
FINDINg A LOCATION FOR AN AIR TANk ...............................................................10  
OPERATION AND ADJUSTMENT ..........................................................................................................11  
MAINTENANCE ........................................................................................................................................ 11  
WIRINg DIAgRAM ................................................................................................................................... 12  
TROUBLESHOOTINg .............................................................................................................................. 13  
WARRANTY CARD .................................................................................................................................. 15  
WARNING:  
Please read through these instructions before installing the 12-Voltair air compressor  
“Air Where And When You Need It!”  
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IMPORTANT SAFETY PRECAUTIONS  
WARNING: To reduce the risk of burns, fire, electric shock, or injury to persons, read the following important safety  
precautions and information before operating this air compressor.  
1.  
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BEFORE YOU BEgIN  
Thank you for selecting the 12-VOLTAIR air compressor. The 12-VOLTAIR is a heavy duty air compressor designed to let  
you accomplish most air related jobs away from the shop.  
For safety and benefit, read this manual carefully before using the 12-VOLTAIR.  
Air Filter  
Pressure Switch  
Oil Fill / Oil Dipstick  
Pop Off Safety Valve  
Quick Coupler Outlets  
Storage Tank Inlet  
Solenoid  
Attach Positive Wire Here  
Oil Drain  
Attach ground Wire Here  
Adjust Belt Tension Here  
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ASSEMBLY  
Be sure to check over the 12-Voltair and inspect for any damages.  
1. Side Latches  
Use the provided 1/4” x 1” bolt, lock washer and nut to secure the anchor bracket to the  
outside of the compressor. Once the anchor bracket has been secured use the 1/4” x  
1 1/4” bolt and 1/4” lock nut to secure the rubber hold down in-between the ears of the  
anchor bracket.  
Rubber Hold Down  
1/4” x 1 1/4” Bolt  
1/4” Lock Nut  
Anchor Bracket  
1/4” x 1” Bolt  
Cabinet side  
1/4” Nut  
2. Quick Coupler  
Install the threaded nipple and quick coupler into the right side of the compressor  
through the two holes of the 12-Voltair cabinet.  
3. Remove Service Panel- remove the 7 screws that hold the front service panel on the 12-Voltair. Once removed,  
there is no need to reattach until your installation is complete.  
4. Check Belt Tension- Although the 12-Voltair has been shipped with the proper amount of belt tension, please  
check to make sure that it has not come loose during shipping.  
5. Check Oil- The 12-Voltair is not shipped with any oil. It takes approximately 2 cups of oil to fill compressor to the  
full level on the dipstick. Do not overfill. See specs below on what oil should be used.  
-20F - 70F (-7C - 21C)  
10W non detergent compressor oil  
50F - 110F (10C - 73C) 30W non detergent compressor oil  
-20F - 110F (-7C - 73C) 40W synthetic non detergent compressor oil  
Voltair recommends the use of synthetic non detergent compressor oil for year around use.  
Amsoil is just one manufacturer that can provide this oil (800) 9ꢂ6-ꢂ69ꢂ - part #PCKQT  
“Air Where And When You Need It!”  
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FINDINg A LOCATION  
In finding a location for your compressor...  
1. Find a location in which the 12-Voltair can get adequate ventilation.  
2. Find a location in which the 12-Voltair will not be overly exposed to dirt and dust.  
3. Find a location in which the 12-Voltair can be properly fastened to ensure that it does not shift.  
4. Check the underside to make sure that any drilling of holes will not interfere with existing lines or structure.  
Once you have decided on a location for the 12-Voltair...  
1) Set the unit into position  
Mounting Holes  
2) Mark the 3 holes on the right side of the compressor base  
onto the floor of your location.  
ground Wire  
Air Line  
Positive Wire  
3) Mark the 4 mounting holes of the base of the 12-Voltair on  
the floor of your location  
4) Set the unit aside and get ready to drill some holes  
CAUTION:  
Use gOOd COmmON seNse wheN INsTAllINg The 12-VOlTAIr. wheN drIllINg hOles fOr mOUNTINg,  
eleCTrICAl ANd plUmbINg, be sUre TO CheCk The UNdersIde TO mAke sUre yOUr drIll wIll NOT INTerfere  
Or dAmAge exIsTINg lINes, hOses Or sTrUCTUre.  
HoW BIG oF A Hole SHoUld I dRIll? To eliminate any potential problems,  
Voltair recommends adding extra protection around the wires and hose (such  
as running the wires and hose through another hose, or use a rubber grommet).  
However you decide, drill a hole at least 1/8” bigger than the outside diameter  
of the hose/wires that will be run through the floor of your location.  
Here is an example of  
5) Drill your holes  
- 3/8” hole for 5/16” x 1 1/2” mounting bolts  
protecting wires by either  
using ‘another hose’ or  
‘rubber grommet.’  
- holes for electrical and plumbing  
6) Once your holes are drilled, move the 12-Voltair back into position  
and use the provided 5/16” x 1 1/2” bolts, lock washer and nut to  
secure it to the floor. If possible also drill through the side of the  
12-Voltair cabinet to secure it at a higher point.  
a) Deck Mount- use all 4 mounting holes in base of the 12-  
Voltair frame.  
b) Bed Side Mount- use at least 2 of the for mounting  
holes on the base of the 12-Voltair as well as 2  
holes higher up on the back of cabinet as shown in the  
above diagram.  
Here is an example of securing the cabinet ‘at a  
higher point’ for a bed side mount  
Once the 12-Voltair is securely fastened to the vehicle go to next page.  
“Air Where And When You Need It!”  
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ELECTRICAL  
What Size of Wire Should I Use? A minimum of 4 gauge copper battery cable should be used for both positive and ground  
wire lengths up to 15 foot. For lengths of 15’ - 30’ use 2 gauge or 1 O copper wire  
GROUnd WIRe  
IN most cases a short ground cable from the 12-Voltair to the frame of your vehicle is sufficient. When securing a ground  
to the frame of a vehicle be sure to sand/grind metal ‘shinny’ to ensure that the ground makes good contact. REMEMBER:  
When working with 12-Volt DC your positive connection is only as good as your ground. In other words, if you have a ‘weak’  
ground connection you will not be able to get peak energy through the positive wire to the  
12-Voltair.  
Step 1 Run the wire from the bottom of the vehicle up through  
the back hole of the 12-Voltair base.  
Step 2 Strip back about 3/4” of the outer covering of the  
battery cable and attach and secure to the ‘loose’ copper lug,  
at the base of the motor, by either soldering or crimping.  
Wrap the connection with electrical tape to complete the job, ‘well done!’  
Step 3 Secure to the bolt on the base of the motor  
Step 4 Run other end of the ground wire along frame of vehicle to ground location and secure. Be sure to use  
plastic tie straps to secure wire against frame.  
POSITIVe WIRe  
This wire should be run directly from the battery of the vehicle to the left side of the solenoid in the 12-Voltair. When running  
this wire be sure to keep it away from moving parts and exhaust. kEEP IN MIND that if the outer sheath of the battery cable  
wears through and makes contact with metal it will create a short and could cause major damage.  
Step 1 Run wire from the bottom of the vehicle up through the front hole of the 12-Voltair base.  
Step 2 Strip back about 3/4” of the outer covering of the battery cable and attach and secure to the copper  
lug by either soldering or crimping. Wrap the connection with electrical tape to complete the job, ‘well done!’  
Step 3 Attach to the left side of the solenoid. Be sure that the copper eyelet is not making contact with any  
other metal objects.  
Step 4 Run other end of positive wire along frame of vehicle to the positive side of the battery. Be sure to use  
plastic tie straps to secure wire against frame. DO NOT USE WIRE.  
BATTeRY FACTS  
1. The OEM (Original Equipment Battery) that came with the purchase of your vehicle is only designed to keep up with the  
demand of the vehicle. For optimum performance, Voltair recommends replacing your battery with a battery that is rated  
with 120 or more minutes of reserve.  
2. The alternator that comes standard in most vehicles will charge between 40-50 amps at a vehicle idle. Since the Voltair  
draws 80 amps when in use, Voltair recommends a good battery and in some cases a second battery maybe necessary.  
3. Voltair recommends a battery with 120 or more minutes of reserve. The 12-Voltair air compressor does not need cranking  
amps for optimum performance, but it does need battery reserve.  
4. Over time a battery’s ability to hold a full charge greatly diminishes. A lead battery may need to be replaced every 2 years  
and an optima battery may need to be replaced every 4 years.  
5. If you are using or planning to use the 12-Voltair for more than 3-4 hours on a day-to-day basis adding a second battery  
will help in achieving optimum performance  
“Air Where And When You Need It!”  
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ELECTRICAL  
(oPTionAl)  
TOGGLe SWITCH  
The Voltair is designed/manufactured with the solenoid activating the pressure switch. By default, when the pressure switch  
is in the on position, the Voltair will run whether the vehicle ignition is on or off. If your system would drop below 125 PSI,  
the compressor would kick on and run until the pressure reached 150- regardless of whether or not you are in the vehicle or  
not. To avoid this, Voltair, Inc. recommends installing a remote toggle switch and powering this switch with a keyed ignition  
power source. This way, the 12-Voltair will only run if both this switch and ignition are in the on position.  
To turn the 12-Voltair on and off from a convenient location (i.e.- inside your vehicle) follow the steps below  
Step 1 Run an 18 gauge wire from the bottom of the vehicle up through one of the three holes of the 12-  
Voltair.  
Step 2 Remove the wire from the left side of the solenoid (the same terminal that the wire from the vehicle  
is hooked to) and connect to the wire you just pulled up.  
Step 3 Run the other end of the 18 gauge wire to the location (wherever you see fit to put the toggle switch)  
of the toggle switch and connect to one of the terminals.  
Step 4 Run a wire from the other terminal of the toggle switch to a 12-volt power source. Preferably a power  
source that only has power when the keyed ignition is in the on position. Consult your automobile manufacture to  
assist you in locating a 12 VDC power source, that only has power when the ignition is in the ‘on’ position.  
YOUR SWITCH SHOULd Be ReAdY TO GO  
CIRCUIT BReAkeR  
One way to protect against the positive wire shorting is installing a circuit breaker. Voltair recommends  
a 150 amp circuit breaker. AW Direct is just one dealer who can be reached at (800) 243-3194 Part  
#SCB-150. This is a device that is mounted right next to your battery that will trip in the event that  
you have a wire that would short out.  
“Air Where And When You Need It!”  
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PLUMBINg  
Choosing the right size air storage tank. How much air storage you need can vary from task to task. In most cases a  
10 gallon tank is adequate for filling/changing 1-2 tires at a time. Anything larger than 40 gallons is not recommended by  
Voltair. See chart below to help you determine how much air storage you need.  
Choosing a location for your air storage tank. The great thing about air is that the inlet and outlet are one in the  
same. It is possible to plumb 2 or three tanks together with minimal fittings and confusion (see diagram 8.4)  
If you are mounting an air tank in an out of the way place then running your air hose from the compressor to your air stor-  
age through the floor is the best way to go. This hose will be run through the middle hole of the 12-Voltair base.  
Step 1 Mount tank. See chart to determine how much air storage you need  
Step 2 Anytime an air storage tank is to be mounted on a mobile vehicle, Voltair recommends using a D.O.T.  
(Department of Transportation) approved air storage tank. (i.e.- brake tanks from semi trucks)  
Step 3 Remove plug on bottom of manifold where the two quick couplers were screwed into  
Step 4 Run hose from the bottom of the vehicle up through the middle hole of the 12-Voltair base and attach to  
manifold where plug was removed.  
Step 5 Connect the other end of the hose to the air storage tank.  
VOLTAIR, InC. ReCOmmendS USInG A d.O.T APPROVed AIR STORAGe TAnkS  
A couple ideas for where to mount air tanks are  
1) Remove Spare Tire  
2) Along Frame Rails  
Air Hose Plumbing  
Tank  
1
Tank  
2
Tank  
3
Time It Take To Fill Air Storage Tank  
10 Gallon  
20 Gallon  
6 min  
30 Gallon  
40 Gallon  
12 min  
0-150 PSI  
125-150 PSI  
Notes  
3 min  
45 sec  
9 min  
90 sec  
2 min 15 sec  
3 min  
Minimum Size  
Maximum Size  
“Air Where And When You Need It!”  
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MAINTENANCE  
Under optimum conditions you can count on your 12-Voltair to provide “Air Where And When You Need It!” for a long, long  
time.  
Check the items below atleast once a year or every 300 hours of use.  
Check air filter and replace as needed  
Check oil level  
Drain oil and replace if using a petroleum based non-detergent compressor oil  
If you are using a synthetic based compressor oil drain oil every 3 years or 600 hours  
Check Belt to make sure that it there is adequate belt tension  
Check pump pulley to make sure that side flanges are securely fastened  
Remove any debris that may have fallen inside the case of the 12-Voltair  
Check positive (wire attached to left terminal of solenoid) to make sure that there is not any excessive wear and is  
still securely fastened.  
Check plumbing to make sure that there are not any air leaks  
To order parts consult your dealer or call (402) 723-4985  
“Air Where And When You Need It!”  
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WIRINg  
12 VdC POWeR SOURCe  
This can be any 12 power source. There are two types  
of power sources.  
1- Direct- This is a power source that has continuous 12  
VDC whether the ignition is on or off. The disadvantage  
of this is that if the switch is left on over the weekend  
and an air leak were to develop- the 12-Voltair will run  
to maintain air pressure and may leave you with a dead  
battery when you get back.  
2- Ignition Controlled- This is a power source that only  
has 12 VDC power when the keyed ignition is in the on  
position. The advantage of this is that the 12-Voltair will  
only run when the ignition in on. Consult your vehicle  
manufacture to help you locate an ignition controlled 12  
VDC.  
Disconnect (red dotted) wire  
from the solenoid and reattach  
to the wire that goes from the  
pressure switch to the wire  
(green dotted) that goes to the  
toggle switch.  
OPTIONAL  
REMOTE SWITCH  
Follow this line if you are not using a circuit  
breaker.  
Use this dotted line if you are using a circuit  
breaker.  
OPTIONAL  
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TROUBLESHOOTINg  
mY 12-VOLTAIR nOT RUn  
1. Check if the switch on the pressure switch is in the auto (down) position  
2. Check the air pressure. If you have more than 120 PSI in the compressor, the compressor will not kick in  
and run until the pressure has dropped below 120 PSI  
Before proceeding with this troubleshooting guide, be sure to disconnect the wire on the right  
side of the solenoid. This is the wire that goes to the inside of the motor.  
3. Do you have a toggle switch? If not skip to 4.  
- Check if the toggle switch is in the on position  
- Check your wiring against the wire diagram on previous page  
- Check with a volt meter that you have voltage on at least one side of the switch (10-14 VDC) when the  
switch is in the off position  
- Check to see if you have voltage on both sides of the switch when the switch is in the on position  
4. Do you have a circuit breaker? If not skip to 5.  
- Check to see if there is a reset on the circuit breaker  
- Check to see if you have voltage on both sides of the circuit breaker (10-14 VDC)  
5. Check to see if the solenoid is working  
- Make sure the circuit breaker is engaged, the remote switch is on  
- Make sure the switch is in the off position  
- Put you hand on the top side of the solenoid with one hand and turn the switch on the pressure switch  
on with the other hand. You should feel a click. If not you possibly have a bad solenoid. Double check  
with the next step (Be sure the wire on the right side of the solenoid is disconnected)  
- With a volt meter check the solenoid using the two different sceneries  
Scenario  
Left Post  
Top Post  
Right Post  
Circuit breaker on  
Remote Switch on  
Pressure switch off  
10-14 VDC  
0 VDC  
0 VDC  
Circuit breaker on  
Remote Switch on  
Pressure switch on  
10-14 VDC  
10-14 VDC  
10-14 VDC  
dIAGnOSIS  
- If you don’t get voltage on the top post in scenario #2 you have a bad pressure switch  
- If you don’t get voltage of the right post in scenario #2 you have a bad solenoid  
6. Was the compressor running and just quit?  
- If the motor overheated (surface temp over 190F) than the thermal protector will have shut the  
system down until the temperature drops below 170F. This may take up to 30 minutes. WARNING:  
This is an automatic reset thermal protector- If all switches are on, and the thermal protector resets it  
will run without any warning. Never put hand in the box without first disconnecting the power.  
“Air Where And When You Need It!”  
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TROUBLESHOOTINg  
mY 12-VOLTAIR SHAkeS A LOT.  
1. Check to make sure there is adequate belt tension. You should have anywhere from 1/4” - 3/8” movement  
when applying 50% pressure to the belt directly between the motor and pump pulleys  
2. Check to make sure that the motor and compressor are securely fastened to the frame. Make sure that bolts  
have not come loose.  
mY 12-VOLTAIR RUnS BUT IS nOT ABLe TO PUmP UP AnY PReSSURe  
1. Check to see if you have any external air leaks  
- Disconnect any air storage tanks and plug tank supply line and run compressor to see if pressure  
builds up  
- If this fixes the problem you have a leak that needs to be fixed  
mY 12-VOLTAIR jUST STARTS - STOPS - STARTS - STOPS  
1. You probably don’t have an external air storage supply tank. The compressor is shutting down with 150  
PSI in the air lines and a small leak is draining the pressure down to 125 PSI and the compressor is  
kicking back on to build the pressure back up to 150 PSI.  
mY COmPReSSOR RUnS FAST AT BeGInnInG BUT SOUndS LIke IT SLOWS dOWn AFTeR IT HAS RUn FOR 5,  
10, 15 mInUTeS.  
BATTERY  
STEP 1 Recharge battery to make sure you have a good full charge if the problem still exists- STEP 2  
STEP 2 Replace battery with a new battery. See battery facts on page 8 - if this does not  
fix that problem- STEP 3  
STEP 3 Check your alternator.  
OPTION 1- Take it to a mechanic for him to check  
OPTION 2- With an DC amp meter and the vehicle running, check the wire between the battery  
and the alternator to see if the alternator is charging  
WHen RUnnInG THe 12-VOLTAIR FOR exTended PeRIOdS OF TIme, mY VeHICLe jUST SHUTS OFF  
BATTERY- check the steps above to diagnose a problem  
HOW dO I AdjUST mY PReSSURe SWITCH  
“Air Where And When You Need It!”  
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WARRANTY  
12-Voltair Warranty Card  
Voltair, Inc. would like to congratulate you on your purchase of the best 12 Volt Air compressor on the market. Please  
take the time to fill out this information and return to Voltair, Inc. By filling out this form we can help keep track of your  
purpose as well as assist us in learning how this product is being used.  
Name  
Address  
City  
State  
zip  
Phone Number  
Fax Number  
E-mail  
mOdeL # 12V6CF  
SeRIAL #  
located on the right side of the base of the 12-Voltair, just below the back of the motor  
1. Who Installed the 12-Voltair  
 Customer  
 Daily  
 Dealer  
 Weekly  
2. How often do you plan to use your 12-Voltair?  
 Monthly  
3. What of the following best describes the area in which you will be operating this compressor?  
Check all that apply  
 Aerial  
 Management Co.’s  
 Forestry  
 Off-road  
 Aerial  
 Oil field/Gas  
 Road Repair  
 Auto Parts stores  
 Catalog firms  
 Fuel/Lube  
 Government  
 Rural Fire Departments  
 Towing Associations  
 Companies with fleet of vehicles  Law Enforcement  
 Contractor  
 Manufacturer OEM  
 Military  
 Towing Companies  
 Crane  
 Truck parts stores  
 Fish & Game Departments  
 Fleet Maintenance  
 Mobile Detailing & Trim firms  
 Municipalities  
 Other ____________________  
mail Completed Form to  
Voltair, Inc.  
515 Road 11  
FAx Completed Form to  
(810) 885-8284  
download form from  
www.12-Voltair.com/warrantycard  
e-mail Completed Form to  
York, NE 68467  
“Air Where And When You Need It!”  
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Thank-You for your purchase. We  
sincerely hope that your 12-Voltair  
will provide you with “Air Where  
And When You need it!”  
The Voltair Team  
“Air Where And When You Need It!”  
®
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