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EEBC302A

PRO CHARGER 250 

Battery Charger User Manual

IMPORTANT SAFETY INSTRUCTIONS

This manual contains important safety and operating
instructions for 

Snap-on PRO CHARGER 250 Battery Charger

model EEBC302A. Refer to the information in this manual often
for safe operation.

Read All Instructions

Read, understand and follow all safety messages and
instructions in this manual and on the test equipment. Safety
messages in this section of the manual contain a signal word, a
three-part message, and, in some instances, an icon.

The signal word indicates the level of hazard in a situation:
• Danger indicates an imminently hazardous situation which, if

not avoided, will result in death or serious injury to the
operator or bystanders.

• Warning indicates a potentially hazardous situation which, if

not avoided, could result in death or serious injury to the
operator or bystanders.

• Caution indicates a potentially hazardous situation which, if

not avoided, may result in moderate or minor injury to the
operator or bystanders.

The three-part message uses three different type styles to
further define the potential hazard.
• Normal type states the hazard.
• Bold type states how to avoid the hazard.

Italic type states the possible consequences of not avoiding
the hazard.

An icon, when present, gives a graphical description of the
potential hazard.

SAVE THESE  INSTRUCTIONS

Summary of Contents for BC4200B

Page 1: ...situation Danger indicates an imminently hazardous situation which if not avoided will result in death or serious injury to the operator or bystanders Warning indicates a potentially hazardous situation which if not avoided could result in death or serious injury to the operator or bystanders Caution indicates a potentially hazardous situation which if not avoided may result in moderate or minor i...

Page 2: ...nate airborne corrosion Never allow clamps on charger cables to touch each other Do not expose charger to rain snow or wet conditions Do not allow battery gasses or acid to contact charger cabinet Do not place charger directly above or below battery Fill battery to level specified by battery manufacturer using distilled water Remove or do not remove cell caps while charging per manufacturer s inst...

Page 3: ...fit outlet have proper outlet installed by a qualified electrician Unplug power cord using plug rather than cord when disconnecting charger from outlet Charger power cord uses equipment grounding conductor and a grounding plug Plug only into a three prong 120 VAC outlet that is correctly installed and grounded in accordance with all ordinances and local codes When using an adapter refer to Figure ...

Page 4: ...rounding Lug must be properly grounded E Grounding Adaptor If necessary replace original outlet cover plate screw with a longer screw that will secure adaptor ear or lug to outlet cover plate making ground connection to grounded outlet Risk of entanglement Keep yourself clothing and battery charger leads clear of moving parts such as fan blades pulleys hood and doors Moving parts can cause injury ...

Page 5: ...ative terminal on batteries with top terminals Identify system ground Negative ground system has negative terminal connected to chassis This is the most common type Positive ground system has positive terminal connected to chassis Negative Ground Connect positive charger cable clamp red to positive battery terminal Connect negative charger cable clamp black to vehicle chassis heavy gauge metal par...

Page 6: ...y cable to negative terminal When charging side terminal battery out of vehicle use side terminal adaptors Connect positive charger cable clamp red to positive battery terminal Position yourself and free end of cable as far away from battery as possible then connect negative charger cable clamp black to free end of cable previously installed Do not face battery when making final connection Disconn...

Page 7: ...A PRO CHARGER 250 Portable Battery Charger is a general purpose 12 volt charger for automobile batteries with timed or continuous charging capability and UL Cranking Assist capability This fan cooled charger can easily be moved to a battery requiring charge Also the charger can charge two 6 volt batteries simultaneously Two amperage selections accommodate several sizes of 12 volt batteries for aut...

Page 8: ...ntil OFF is manually selected Select when desired charge time exceeds 120 minutes Charger does not turn off automatically when this function is selected CHARGE TIME is number of minutes the charger operates before automatically shut off Charger shuts off automatically after number of minutes selected lapse when this function is selected Up to 120 minutes can be selected Increase or decrease charge...

Page 9: ... amperage for battery being charged Determine battery voltage from vehicle owner s manual or battery instructions Use Low 35 amps for smaller batteries cold or mildly sulfated batteries and High 70 amps for quick charge 3 Measure and record battery state of charge Specific gravity Open circuit voltage State of charge is used in step 9 to determine charge time 4 Verify AC power cord is disconnected...

Page 10: ...ength of Charge Using State of Charge and Capacity STATE OF CHARGE STATE OF CHARGE 100 75 50 25 DEAD 6 12V Specific Gravity 1 260 1 225 1 185 1 140 1 110 12V Open Circuit Voltage 12 6 12 4 12 1 11 9 11 8 6 V Open Circuit Voltage 6 3 6 2 6 1 6 0 5 9 BATTERY CAPACITY 6V Battery Voltage 12V SMALL MEDIUM LARGE Battery Capacity SMALL MEDIUM LARGE 100 155 200 Ampere hours 40 60 80 160 275 430 Reserve Ca...

Page 11: ...can damage battery 11 Periodically monitor state of charge to prevent overcharging especially near end of charge period Battery is completely charged when specific gravity and or charging voltage do not increase after two hours Charging More than One Battery Passenger vehicles and light trucks with diesel engines may use two batteries Heavy duty trucks special service vehicles some agricultural an...

Page 12: ...Plug charger power cord into properly grounded 120 VAC outlet 4 Set Length of Charge Timer to HOLD 5 Charge battery for five minutes Partially charging battery helps direct more power to starter motor during cranking assist 6 Crank engine Cranking assist is provided for approximately 3 5 seconds followed by a 125 second cool down Although most starter motors can withstand cranking for 15 seconds t...

Page 13: ...ormation in the front of this manual Clean the case using a mild detergent Do not allow liquid to drip into the case Do not remove the case to perform routine maintenance Worn parts can compromise safety and charger performance Replace parts as needed For service contact your sales representative Parts List Description Part Number Rectifier Assembly BC4200 2000R Transformer Assembly EAT0003K11AR F...

Page 14: ...14 Operating Instructions EEBC302A Wiring Diagram Figure 4 Wiring Diagram EEBC302A PRO CHARGER 250 B Black C White E Red F Green G Blue SAVE THESE INSTRUCTIONS ...

Page 15: ...replacement of or refund of the original purchase price for Battery Charger or parts which to the satisfaction of Snap on are determined to be defective and which are necessary in the judgment of Snap on to return the Battery Charger to good operating condition Repairs or replacements qualifying under this Warranty will be performed or made on regular business days during normal working hours of S...

Page 16: ...Operating Instructions EEBC302A 1999 Snap on Incorporated ZEEBC302A Printed in U S A 6 99 ...

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