supermarket refrigerated showcase » article > display refrigerator > display cases Fan motor disassembly, diagnosis and maintenance (2)
display cases Fan motor disassembly, diagnosis and maintenance (2)
display cases Fan motor disassembly, diagnosis and maintenance (2)
refrigerated showcase BCD-180 fan motor repair, first use a knife to follow the gap of the coil core cover, gently Scribe off the surface resin glue, remove the outer cover to see the epoxy resin block, and then use a saw blade to saw along the rubber block one by one (be careful not to damage the silicon steel sheet and coil frame), cut off the broken coil, and the long axis of the motor rotor Facing upwards, clamp the whole silicon steel sheet in a vise, use a screwdriver to align the two ends of the coil core sheet with the joint piece 1 and 2 of the whole silicon steel sheet, and then tap lightly with a small hammer to remove the silicon steel core sheet . 5580 turns are densely wound on the core coil bobbin with cp0.1mm high-strength enameled wire. CJ10-10 (10A) enameled wire (0.09 mm in the middle) of the AC contactor coil can also be used to close 5070 turns. Weld the coil lead with the original lead, insulate the welding point, and install the whole silicon steel sheet. If the fan blade is reversed, the coil chip can be turned 180℃. Install the coil chip outer cover, and pour epoxy resin into the outer cover, and then install the machine to use after curing.
Condensing cooling fan motor disassembly, diagnosis and maintenance
Some display cases, especially larger electric display cases, mostly install fans at the condenser to dissipate heat.
(1) How to disassemble and assemble the condenser fan motor Unplug the power plug of the display cases and simply disassemble the fan motor.
(2) The diagnosis and repair of the condenser fan motor is the same as above, which causes poor heat dissipation and poor cooling of the condenser. The replacement should be installed smoothly and at an appropriate angle.
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