ELECTRICAL TROUBLESHOOTING SKILL AND TRAINING REQUIRED FOR ELECTRICAL SERVICING This Electrical Troubleshooting section is designed for technicians who have the necessary electrical knowledge and skills to reliably test and repair the BG1500 electrical system. For those without that background, service can be arranged through your local dealer. This section presumes that you are already familiar with the normal operation of the Grinder. If not, you should read the Operator's Manual, or do the servicing in conjunction with someone who is familiar with its operation. Persons without the necessary knowledge and skills should not open the control panel or attempt any internal troubleshooting, adjustments, or parts replacement. If you have any question not answered in this manual, please call your local dealer.
WIRE LABELS All wires on the BG1500 have a wire label at each end for troubleshooting. The wire label has a code which tells you wiring information. The wire label has a seven position code. The first two or three digits are the wire number: 01-199. The next three numbers or letters are the code for the component to which the wire attaches. Example: TDC for Traverse Drive Control. The last two numbers or letters are the number of the terminal on the component to which the wire attaches.
TERMINAL BLOCKS:
To insert or remove a wire from the terminal block insert a small screw driver into the square hole. Then insert or remove wire from the round hole. Remove screwdriver to lock the wire in place. Note the square hole can also be used when checking for voltages. The probe tip of the multimeter can be inserted into the square hole to take readings.
TROUBLESHOOTING INDEX AC Main Power Controls ................................................................................................. Page 24-25 Grinding Motor Controls .................................................................................................. Page 26-28 Coolant Pump Controls .................................................................................................. Page 28 Traverse Drive Controls-w/prox ....................................................................................... Page 29-33 Mechanical Troubleshooting ............................................................................................ Page 34-35
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