Schumacher BT-100 user manual

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OWNER’S MANUAL
Model: BT-100
Battery Load Tester
For 6 & 12 Volt Lead-Acid Batteries
ELECTRIC CORPORATION
MT. PROSPECT, IL 60056
Send Warranty Product
Repairs To:
Customer Returns
P.O. Box 280
1025 E. Thompson Avenue
Hoopeston, IL 60942-0280
Questions? Call Customer Service
1-800-621-5485
00-99-000437/0804

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WARNING: Handling the cord on this product or cords associated with accessories sold with this product, will expose you to lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.

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BASIC BATTERY LOAD TEST (Conventional & Maintenance-Free Types) 1. Connect clamps to battery posts Red (+) Pos, Black (-) Neg and note the battery’s capacity. Engine and all electrical accessories must be off when testing battery. 2. Hold load switch “on” for 10 seconds. 3. Read meter with load still on then refer to battery analysis table on back of Tester. COLD TEMPERATURE EFFECTS A battery will test lower when cold than when warm. For more accurate results, please reduce the battery’s nominal

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BATTERY ANALYSIS (Meter Reading After 10 Seconds with Load Switch On) LOAD TEST BATTERY CONDITION Good (Green) Battery capacity is OK. Battery may or may not be fully charged. Check spe- cific gravity of battery to determine state of charge, check for electrical drain or possible charging system trouble. Re- charge battery to full level. Battery capacity is not satisfactory. Bat- Weak or Bad, tery may be either defective or not fully But Needle charged. Check specific gravity to de- Remains Stea

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STARTER MOTOR TEST 1. Connect clamps to battery posts and do the basic battery test. In addition, note the exact voltage with the load test on. If voltage continues to fall after 10 seconds, this test cannot be preformed. 2. Apply the voltage obtained above to starter test table on the scale plate. In this case, please use the next higher minimum cranking volts for the engine of less than 200 CID. For example, if load voltage is 11.00, use 10.2 for minimum cranking voltage. LOAD 10.2 10.4 10.6 1

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CHARGING SYSTEM TEST 1. Connect clamps to battery for basic load test. 2. Operate engine at fast idle. 3. Note meter reading with all electrical accessories off. It should be in green “good” band in “charging system” scale. 4. With headlights and blower motor on high, meter should remain in green “good” band. 5. If meter reads red band or outside the charging system zone, trouble is indicated. NOTE On initial use of your Battery Tester, smoke may develop. This is caused by the lubrication burnin

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LIMITED WARRANTY SCHUMACHER ELECTRIC CORPORATION, 801 BUSINESS CEN- TER DRIVE, MOUNT PROSPECT, ILLINOIS 60056-2179 MAKES THIS LIMITED WARRANTY TO THE ORIGINAL PURCHASER AT RETAIL OF THIS PRODUCT. THIS LIMITED WARRANTY IS NOT TRANSFERABLE. Schumacher Electric Corporation warrants this battery tester for six months from date of purchase at retail against defective material or workmanship. If such should occur, the unit will be repaired or re- placed at the option of the manufacturer. It is the ob

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