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SUPPLEMENT TO McHENRY PLAINDEALER - PAGE 11 - WEDNESDAY, OCTOBER 5, lf77 Safety Council warns of 6H Bomb9 danger in jumper cable starts The atomic-powered car is in the works, according to some automotive design­ ers. But some cars today carry their own hydrogen bombs, says the National * Safety Council. More accurately the car's battery, when carelessly used in jumper cable starts, can explode and cause potential damage to motorists and cars alike. Why do car batteries ex­ plode? Small quantities of hydrogen gas are given off at the negative plate of a battery even when the cells are not being charged. "It must be assumed," says the Battery Council Internation­ al, "that explosive mixtures of hydrogen gas are present within the cells at all times." More gas produced When a battery is being charged, as it is in a sense when it is connected to another battery by jumper cables, more hydrogen gas is produced. As the amount of gas increases, so does the danger of explosion. A burn­ ing cigarette, a glowing pipe or even a spark from the jumper cables themselves is enough to ignite the hydro­ gen and cause an explosion. There is a safe way to jump a battery that will virtually eliminate the risk of explosion. Follow these steps: 1. Turn off the ignition and all electrical accessories in both cars (defroster, windshield wipers, lights, etc.). This lessens the chance of errant electrical sparks and also reduces the load on the booster battery and the amount of hydrogen it produces. Cars should not be touching as this could establish a ground connec­ tion and counteract the ben­ efits of the procedure. Better make sure 2. Make sure that both batteries are of the same voltage. Most batteries today are 12 volts, but some older or smaller cars still may have 6 volt batteries. (Twelve volt batteries have six filler caps and vents -- six volt batteries have only three.) 3. Shift both cars into neutral or park and set the parking brake. 4. Remove the caps from both batteries and insure that the fluid level is at the full mark. Batteries low on water should be replenished. Do not attempt to jump-start a car with a frozen battery because the battery may rupture or explode. 5. Place a piece of cloth over the uncapped vent holes of both batteries. The sudden surge of current when the battery is charged might cause the electrolyte to bubble and splash. The material over the vent holes will keep the acid from splashing on you. How to do it 6. Attach one end of one jumper cable to the booster battery's positive terminal (identified by a red color, "P", or "pos" on the battery case, post or clamp). When making connections to battery posts, twist clamps back and forth on terminals to insure good metal-to- metal contacts. Attach the other end of the same cable to the positive terminal of the discharged battery. 7. Attach one end of the - second cable to the negative 'terminal 1(black color, "N", or "neg") of the boost­ er battery. Take care that the clamps do not touch the clamps of the other cable. 8. Connect the other end of the negative cable to the engine block, the generator/ alternator or any other ac­ cessible metallic part at­ tached to the engine block that is not painted, chrome- plated, heavily rusted or covered with grease. This last connection should be made as far from the dead battery as possible -- at least a foot -- so that any sparking when the cable is connected or disconnected is away from the hydrogen gas produced by the battery. Now engage the starter of the car that has the dis­ charged battery. If it does not start immediately, start the engine of the other car to avoid excessive drain on booster battery. After the car with the discharged battery is run­ ning normally, remove the cable connection at the en­ gine block first, then the other end of the same cable from the booster battery. Don't Miss 'Em! HOW ING THE EXCITING ZEPHYR FEATURES: IHTRODUC • Standard Four or Optional Six & Eight Cylinder Engines • Rack & Pinion Steering • 16.8 Cubic Feet of Luggage Capacity i 1 ZEPHYR 78 COUGAR AVAILABLE IN THESE MODELS •2D00R *4 DOOR 'STATION WAGON '78 LINCOLN CONTINENTAL Dai ly Rentals Avai lable '8 .00 a Day 8 a Mi le SERVICE 8*5 Mon. thru Fri. Saturday 812 '77 MODELS STILL AVAILABLE! HURRY FOR YEAR-END SAVINGS! Bank f inancing Avai lable ' LINCOLN WE WANT TO BE YOUR CAR STORE MS.HENRY*! LU 2 To 3 Year Leasing Avai lable Ask For Mr Sansone SALES 9-9 Mon.-Fri. 9-5 Sat 11-4 Sun. 46V1W. RT. 120 McHENRY, ILL 815/344-1200 IBANK FINANCINGI Lpw*U 1111 • 11111111111 ii 11 ii i ii II i i.m.i.m mm. W.'ha'"