1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 287Get this manual

1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 287

RectifierRegulator Tests12-Amp odels Variable Load Tests To test the operation of the rectifierregulator, you must be able
the engine's battery cables[] 4Following the manufacturer's directions, connect the variable load tester (carbon pile) across
the battery terminalsSteven's Instrument Model NoLB-85 and Snap-on Model NoMT540D are examples of testers available& Excessive
battery discharge rates might overheat battery causing electrolyte gassingThis might create an explosive atmosphere [] 5Start
the engine and run it at approximately 4500 RPMUse the variable load tester to draw the battery down at rate equivalent to
the stator' full output6The engine's ammeter should indicate full output12 amps[] 7Decrease the battery load toward zero
ampsThe engine's ammeter should show reduced outputAs the current draw decreases, the battery voltage should stabilize at