The housing on the effected diode is melted requiring an minor repair. Damage is evident so the rivets are drilled out and the diode housing is removed.
The entire Diode panel is remove from the unit. Setting the Fluke Meter to Diode, all rectifiers are tested, in both directions finding immediate issues, notably shorts found. With the rectifier disconnected the hum is gone and the fan spins at full voltage.Showing the problem is from the rectifiers back. Note that as I apply power at intervals its only for demonstration. With the checking of switches, and resistance through the fan and coil. After which power off troubleshooting commences. This device is Harbor Freight number 63043.įor demonstrations of failure I will be using a Variac and an isolation transformer for safety. This device can be lethal so precautions should be taken. I will attempt to the greatest extent possible, troubleshoot without power. They Generally brake in the same fashion and can be repaired cheaply. Safety Recall Information - For important safety recall information, click here.įor any difficulty using this site with a screen reader or because of a disability, please contact us at 1-80 or For California consumers: For more information about our privacy practices, click here.Looking at a CEN-TECH heavy duty battery charger from the Bug ranch. For more information, go to or see a Harbor Freight store associate. No other meaning of "Compare to" should be implied. Prices advertised by others may vary by location. To receive the coupon prices online, the coupon code(s) must be entered into your shopping cart.Īt Harbor Freight Tools, the "Compare to" price means that the specified comparison, which is an item with the same or similar function, was advertised for sale at or above the "Compare to" price by another additional retailer in the U.S. PRICES - Although we make every effort to assure that our prices, products and coupons are advertised as accurately as possible, we are only human, and in the event an error is made, we reserve the right to correct it. No use on prior purchases after 30 days from original purchase or without original receipt.
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