Installation Tips

SOME TIPS FOR TRAIN HORN/AIR HORN COMPRESSOR MOUNTING AND USE

Never mount an unsealed compressor outside of the vehicle.  If water, dirt or debris is allowed to enter the intake, it will damage your compressor.  Ensure you have a sealed air system before externally mounting.

Do not mount your compressor below the tank. The tank and/or the leader hose can create condensation, that will then leak into the compressor below. You do not want moisture entering your compressor.

Do not mount a compressor upside-down.  Any other angle is acceptable, but mounting upside-down will not allow the compressor to cool properly and could burn it up.

Do not over tighten the leader hose.  This can cause your check valve to malfunction, in which case, the compressor will not fill the air tank properly.

If your compressor is not filling your air tank… you may need to loosen the check valve.

Use the pressure switch that came with your kit to be safe.  Pressure switches can vary in pressure rating.  Not using a pressure switch at all is not advised.

Know your compressor’s maximum working pressure.  Do not run your compressor beyond this pressure limit, doing so increases your risk of damage greatly.

Know your duty cycle.  Every compressor has a duty cycle, indicating how long it can run before it needs to stop and cool down.  If you run it too long, or don’t allow enough cool down time, it will over heat and burn up.  Know the duty cycle and only run your compressor within it’s limits to avoid damage.

If your compressor won’t stop running, or runs longer than it should… there is most likely a problem with your pressure switch, for example, it could be leaking.  You should disconnect power from the system until you have determined and fixed the problem to prevent damage.

MOUNTING HORNS

Depending on your vehicle, some air horns will fit under the hood or behind the grill.  This is ideal in terms protecting the horn itself.  However, most people must install under the vehicle on a body rail, due to space restrictions.  If under the body or behind an open grill, you will want to angle the horns in a position that is slightly downward.  This protects the inside of the trumpets from debris, dirt and liquid collecting.  Also, from something (such as a rock) getting stuck inside the trumpet.  Downward facing trumpets also allow anything (such as water) to drip back out of the horn automatically.  This also prevents unnecessary wear and tear on the horns.

MOUNTING AIR PUMPS
Keep your air pump out of the weather elements such as rain, extreme heat (such as under-the-hood engine temps) or snow.

The best locations include: behind or under the seats, the trunk, a spare tire area or a toolbox.

BEFORE YOUR FIRST USE
When you first install the train horn system, turn on the air pump and only allow the air pressure to reach 80psi, then turn the pump off and allow it to cool down for 10-15 minutes.

After it’s cooled you can turn the pump back on and allow it to finish filling the tank until it reaches its cut-off pressure of 120-125psi. After it turns off, allow it to cool down again for about 10 minutes.

After this final cool down you can test the horn. Remember, the air pump is not designed for continuous usage. The air pump needs time to cool down between the horn blasts. If you plan on using the horn every couple of minutes, you need to seriously consider purchasing a heavy-duty air pump. You can find them at any local auto supply, or even Wal-Mart.

NEED TO KNOWS
Power from the toggle switch to your air pump should be turned on AFTER you have honked the horn a couple of times.

The compressor has an automatic shut off pressure switch, but if the switch fails or a leak arises, please know the pump will run continuously, which can drain your battery or cause premature failure of your pump.

Turn the toggle switch on, let the pump run until the pressure switch cycles off your pump, and then turn off the toggle switch. You will be able to tell when the air pressure is low and you need to turn on the compressor again.

 

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