1. HEAVY DUTY BATTERIES AND SYSTEMS

2. TYPES OF BATTERIES

3. HEAVY EQUIPMENT BATTERIES l HIGH AMPERAGE l CONSTRUCTION IS TOUGHER l WIRED IN PARALLELL OR SERIES l MAINTENANCE IS IMPORTANT DUE TO COST

5. HEAVY EQUIPMENT ELECTRICAL SYSTEMS l 12 VOLT –ENTIRE SYSTEM l 12-24 VOLT –ALTERNATOR WITH TRANSFORMER l 24 VOLT –SP SWITCH

6. SERIES-PARALELL SWITCH l PROVIDES 24 VOLT STARTING WITH 12 VOLT CHARGING l REQURIES MORE WIRING THAN OTHER SYSTEMS l DIAGNOSIS IS MORE INVOLVED

7. 12-24 VOLT ALTERNATOR l TWO OUTPUT STUDS l SUPPLIES 12 VOLTS TO ENTIRE SYSTEM EXCEPT STARTING CHARGES SECOND BATTERY FOR 24 VOLT STARTING

9. HEAVY DUTY STARTER l BUILT FOR TOUGH USE l CAN BE 12 V OR 24 VOLT l INTEGERAL SOLENOID l OVERHAUL IS COST EFFECTIVE

10. AIR STARTING SYSTEM l OPERATES UNDER HIGH PRESSURE l SAFETY SWITCH l AUDIO BUZZER l LOW MAINTENANCE l HIGH COST