MICRO 420 BATTERY TESTER



Always use the Micro 420 Instruction Manual that was supplied with the tester as a reference. If the Instruction Manual is not available the following procedure can be used:

WARNING: Always wear appropriate eye protection and use extreme caution when working with batteries.


BATTERY TESTING


(Refer to 8 - ELECTRICAL/BATTERY SYSTEM - CLEANING)
The preferred test position is at the battery terminal

NOTE: Multiple batteries connected in parallel must have the ground cable disconnected to perform a battery test. Failure to disconnect may result in false battery test readings.


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CAUTION: If REPLACE BATTERY is the result of the test, this may mean a poor connection between the vehicle's cables and battery exists. After disconnecting the vehicle's battery cables from the battery, retest the battery using the OUT-OF-VEHICLE test before replacing.



BATTERY TEST RESULTS
  
GOOD BATTERY
  		Return to service
  
GOOD - RECHARGE
  		Fully charge battery and return to service
  
CHARGE & RETEST
  		Fully charge battery and retest battery
  
REPLACE BATTERY
  		Replace the battery and retest complete system
  
BAD-CELL REPLACE
  		Replace the battery and retest complete system
  

NOTE: The SERVICE CODE is required on every warranty claim submitted for battery replacement.