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Do not connect to the carburetor, fuel lines, or sheet metal body parts. f. For positive-grounded vehicles, connect the NEGATIVE (BLACK) clamp from the battery charger to the NEGATIVE (NEG, N, -) ungrounded post of the battery. Connect the POSITIVE (RED) clamp to the vehicle chassis or engine away from the battery. Do not connect the clamp to the carburetor, fuel lines, or sheet-metal body parts. Connect to a heavy gauge metal part of the frame or engine block. g. When disconnecting the charger, disconnect the AC cord, remove the clamp from the vehicle chassis, and then remove the clamp from the battery terminal. h. See the operating instructions for length of charge information. 18. FOLLOW THESE STEPS WHEN THE BATTERY IS OUTSIDE THE VEHICLE. A SPARK NEAR THE BATTERY MAY CAUSE BATTERY EXPLOSION. TO REDUCE THE RISK OF A SPARK NEAR THE BATTERY: a. Check the polarity of the battery post. The POSITIVE (POS, P, +) usually has a larger diameter than the NEGATIVE (NEG, N, -) post. b. Attach at least a 24 inch long 6-gauge (AWG) insulated battery cable to the NEGATIVE (NEG, N, -) battery post. c. Connect the POSITIVE (RED) charger clamp to the POSITIVE (POS, P, +) post of the battery. d. Position yourself and the free end of the cable as far away from the battery as possible, then connect the NEGATIVE (BLACK) charger clamp to the free end of cable. e. Do not face the battery when making the final connection. f. When disconnecting the charger, always do so in reverse sequence of connecting procedure, and break the first connection while standing as far away from the battery as practical. g. A marine (boat) battery must be removed and charged on shore. To charge it on board requires equipment specially designed for marine use. 19. VEHICLES WITH TWO BATTERIES Many diesel vehicles and service vehicles are equipped with two batteries. This is to provide the vehicle with greater starting power capacity or longer reserve capacity to provide power for accessories. These batteries are wired into a parallel circuit. Because of this, it will take twice as long to charge these batteries. See section 21 CHARGE PERIOD. If one battery is charged and the other discharged, the discharged battery should be removed from the vehicle and checked. When attaching the charger to this type of vehicle the charger should be attached to the battery which is wired closest to the starter. This allows the charger to provide maximum starting power to the starter motor by minimizing the voltage drop in the engine cables. 20. GROUNDING AND AC POWER CORD CONNECTION INSTRUCTIONS The charger should be grounded to reduce the risk of electric shock. This charger is equipped with an electric cord having an equipment grounding conductor and a grounding plug. The plug must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances. DANGER. Never alter the AC cord or plug provided - if it will not fit the outlet, have a proper outlet installed by a qualified electrician. Improper connection can result in a risk of an electric shock. This battery charger is for use on a nominal 120-volt circuit, and has a grounding plug that looks like the plug illustrated in FIGURE (A). A temporary adapter, which looks like the adapter illustrated in FIGURE (C), may be used to connect this plug to a two-pole receptacle, as shown in FIGURE (B), until a properly grounded outlet can be installed by a qualified electrician. 2 DANGER. Before using an adapter as illustrated, be certain that the center screw of the outlet plate is grounded. The green-colored rigid ear or lug extending from the adapter must be connected to a properly grounded outlet - make certain it is grounded. If necessary, replace the original outlet cover plate screw with a longer screw that will secure the adapter ear or lug to the outlet cover plate and make ground connection to grounded outlet. NOTE: USE OF AN ADAPTER IS NOT ALLOWED IN CANADA. IF A GROUNDING TYPE RECEPTACLE IS NOT AVAILABLE, DO NOT USE THIS APPLIANCE UNTIL THE PROPER OUTLET IS INSTALLED BY A QUALIFIED ELECTRICIAN. 21. CHARGE PERIOD The approximate required time to bring a battery to full charge state depends upon the number of ampere-hours (AH) depleted from the battery. AH's are determined by multiplying the number of hours times the number of amps supplied by a battery to a load and normally indicated on the battery. For example, if a load was connected to a battery, which drew 7 amps for a period of 5 hours, the battery will have supplied 35 AH. The approximate recharge time would then be calculated by dividing the 35 AH depleted from the battery, by the charge rate of the charger. To allow for tapering of the charge rate add 25 percent to the charge time. OPERATING INSTRUCTIONS This battery charger is designed to charge 12 volt batteries of either conventional or maintenance-free construction. Rated output current is 6 or 2 DC amps. The 2 ampere setting is better for charging smal...
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