(Use any good quality standard 9V battery)

A. Remove the screws from the rear cover.

C. Snap the battery clip onto the battery and insert the battery into the retaining clip.

D. Replace the rear cover and screws.

BATTERY CONDITION:

The DT-15 fuel tester is designed to detect the addition of oxidizers to a gas/oil fuel mix. This is done by comparing the resistivity and the dielectric constant of a competitors fuel to a known base. Fuel with oxidizers added (such as methanol, nitro, etc.) will cause the instrument to register more positive than the base. This indicates some type of additive in the competitors fuel.

NOTE: Cyclohexane (C6H12) is the base called for by both I.K.F. and W.K.A. You will need to have some available before you begin testing. Cyclohexane is available from Precision Automotive Research (630) 766-4402 or VP Racing Fuels (210) 635-7744.

When checking fuel at the track it is important that the temperature of the fuel being tested and the temperature of the cyclohexane be within five degrees of each other. If the fuel being tested is more than five degrees hotter than the cyclohexane was at the time the instrument was set at -075, the fuel will test more positive than it should.

Draw a sample of the fuel to be tested and put it in a sample bottle. Be sure to use enough fuel to completely cover the sensor. Insert the sensor into the fuel and observe the reading on the instrument. If the reading is zero or a negative number, the fuel is legal. A reading above zero ( a positive number) indicates an illegal additive.

If a fuel sample tests illegal, the following procedure should be used.

Clean The fuel tester sensor with some "spray on" brake cleaner and allow it to air dry at least 30 seconds.

Check the reading of the instrument in the cyclohexane (should read -075) and adjust if necessary.

Allow the fuel sample to stabilize to the same temperature as the Cyclohexane and then repeat the test.

Your instrument is warranted to be free from factory defects and electronic failure for a period of one (1) year from date of purchase. Physical damage during normal usage is not covered under the warranty. Be sure to fill out and return your warranty card for our records. If you do not have a card on file for your instrument, repairs will be charged for unless you can provide us with proof of purchase date.

When returning an instrument to us for repair, be sure to enclose a note indicating your return address, your phone number and a good description of the problem. If you are not sure whether the problem is in your instrument or the sensor return both so we can check the complete system.

There will be a $20.00 minimum charge on any instrument that is out of warranty. We will automatically contact you with an estimate before proceeding with repairs if charges exceed $50.00 Repairs can be paid for by VISA, MASTERCARD, or C.O.D.

If you need your instrument back in time for a specific race be sure to include the date you need it, and we will do our best to get it back to you in time. Repairs will normally be completed within ten working days.

Send your instrument for repair directly to: