Assessments - 3, GPA: 3.7
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BATTERY VOLTAGE 6 12 18 24 INITIAL CHARGE RATE SETTING AMPS CHARGE VOLTS CHARGE LO 6V LO 12V LO 18V LO 24V 12V 6V 12V HI LO 2 LO 2 23 4 HI LO HI HI LO 24V 18V 12V CRANK ASSIST VOLTS/AMPS CHARGE 23.6 11.8 5.9 1.110 23.8 11.9 5.95 1.140 24.2 12.1 6.05 1.185 24.8 12.4 6.2 1.225 75% 50% 25% DEAD Open Circuit Voltage 24V Open Circuit Voltage 12V Open Circuit Voltage 6V Specific Gravity STATE OF CHARGE STATE OF CHARGE TABLE Cold Cranking Amps Reserve Capacity Ampere Hours BATTERY SIZE 60 90 350 80+ 100+ 400+ 40 60 275 BATTERY SIZE TABLE LARGE MEDIUM SMALL BATTERY SIZE %CHARGE 0-25% 30 30 30 50 45 45 20 20 20 40 35 30 5 5 25 20 15 25 20 35 55 15 25 45 10 20 30 20 40 55 15 30 50 10 20 30 30 60 90 25 45 70 15 30 45 15 15 15 15 10 10 10 10 10 15 30 45 60 75 90 MINUTES AMPERES SMALL MEDIUM LARGE CHARGE RATE Vs. MINUTES CHARGE 25-50% 50-75% 50-75% 25-50% 0-25% 50-75% 25-50% 0-25% 5 TO CHARGE BATTERIES Make connections to the battery per the instructions in preceding section of this manual. Determine the battery voltage and set initial charge rate settings per chart. Turn the timer on. If a higher rate of charge is desired, turn the AMPS CHARGE switch to the appropriate 2, 3, 4 or HI position. Always return the AMPS CHARGE switch to the LO position before advancing the VOLTS CHARGE switch. 12V CRANKING ASSIST AND BOOST STARTING Turn off all lights and accessories in the vehicle. Connect the charger to battery per previous instructions. Charge the battery at least five minutes. Make sure the battery is accepting current before setting charger to crank assist. Always start on the lowest amperage crank setting. Put the switch in the "12V CRANK ASSIST" position. Start the car with the charger connected to the battery. Follow the duty cycle on the unit. Turn the switch to OFF and remove the AC power cord from the electric outlet before disconnecting the DC clamps. DIESEL VEHICLES Diesel engines have special starting requirements due to the high compression required to ignite the fuel mixture. Because of this, the starter motors have to work harder which requires the battery to deliver a large amount of power for a period of time. Adequate voltage must be supplied also to insure the glow plug will have enough power to preheat the chamber. When attempting to start a diesel vehicle, always fast charge the battery at least five minutes. If time permits, charge the battery as long as possible or until the battery reaches 75% state of charge. Make sure the battery is accepting current before setting charger to crank assist. Always start on the lowest amperage crank setting. With the charger "ON" and attached to the battery, attempt to start the vehicle. Do not crank the engine more than 20 seconds in a five-minute period. While allowing the starter to cool, allow the charger to continue to charge the battery. If the vehicle has two batteries installed, read the "VEHICLES WITH TWO BATTERIES" section of this manual. 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 as indicated in the LENGTH OF CHARGE table. 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. PARALLEL CHARGING This charger may be used to parallel charge up to 10 batteries with a bus bar kit, or by using a minimum 6AWG gauge booster cables to connect the batteries together in parallel. CAUTION: Do not connect 6 and 12 volt batteries in parallel with each other. CHARGING SULFATED BATTERIES If your battery has sat in the discharged state for an extended period of time, it can become SULFATED. This usually is seen as a white deposit near the top of the battery. The sulfate is formed when a battery with low water levels remains discharged for an extended time. Sulfated batteries exhibit the characteristic of accepting no charge regardless of the rate of charge. The charging method is two staged. The first stage of attempting to break down the sulfation to allow the battery to accept a charge must be closely watched to avoid excessive charge rates as the battery begins to charge and overheat. The second stage is a slow charging to restore the battery to full charge. READ AND FOLLOW ALL PRECAUTIONS AND WARNINGS IN YOUR INSTRUCTION MANUAL BEFORE ATTEMPTING TO CHARGE SULFATED BATTERIES. FAILURE TO OBSERVE THESE WARNINGS MAY RESULT IN PROPERTY DAMAGE OR SERIOUS PERSONAL INJURY OR DEATH. To recharge a sulfated battery: 1. Attach the battery clamps...