how to replace evaporator fan motor

{"cid":"91193746","title":"YDK120-100-4LP 100W 1 Speed Single Replacement Evaporative Cooler Motor \/ Air Cooler Fan Motor \/ AC Motor \/ AC Fan Motor","imgUrl":"https:\/\/img.chinax.com\/nimg\/7b\/67\/678cbc4c1e19909c9af3f5e4361e-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"CPMDJ","Model Number":"YDK120-100-4LP","Minimum Order Quantity":"100PCS","Delivery Time":"15-35 days","Certification":"CCC","Place of Origin":"Made in China","Payment Terms":"TT, LC","Supply Ability":"10000000","Packaging Details":"Foam+Carton","Product Name":"Air Cooler Fan Motor","Type":"Asynchronous Motor","Frequency":"50HZ, 50\/60HZ","Phase":"Single-phase","Protect Feature":"Totally Enclosed","Speed":"customize","Winding":"Copper Wire","Insulation":"B"}}

{"cid":"91195991","title":"Unique Design Hvac Fan Motor , Electric Car AC Blower Excellent Compatibility","imgUrl":"https:\/\/img.chinax.com\/nimg\/a6\/62\/375b75e9a7e20bfa14c126ca0c18-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"ZERBX \/ OEM","Delivery Time":"3-7days for stock , 15-30 days out of stock","Condition":"New","Power source":"Electrical","Cooling\/heating":"Cooling\/Heating","Voltage (v)":"220","Size":"Custom","Service":"OEM","Place of Origin":"China","Certification":"TS16949","Packaging Details":"Carton box"}}