how to bleed diesel fuel system

{"cid":"91196331","title":"DC 220A Portable Welder Generator ARC Welding Diesel Fuel Type High Efficiency","imgUrl":"https:\/\/img.chinax.com\/nimg\/fb\/77\/67f34855876faa1e1bfe7963f7ee-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"GENFOR","Model Number":"GFW11-200ADE","Minimum Order Quantity":"Sample accept","Delivery Time":"20-25days","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"1000sets per month","Packaging Details":"Carton\/box","Max.Power":"6.0KW","Rated Power":"5.0KW","Voltage":"110~240V As required","Speed":"50Hz 3000\/60Hz 3600rpm","Fuel":"Diesel","Welder current":"50-200A","Welder volt":"24-30V","Electronic diameter":"2.5-4.0mm"}}

{"cid":"91208716","title":"QSM11 3103753 Diesel Engine Piston For LG950E 490 4070653","imgUrl":"https:\/\/img.chinax.com\/nimg\/8e\/c0\/3a577ba4da972ea13b6cca920653-200x200-1.jpg","attrs":{"Price":"Negotiated Price","Brand Name":"Cummins","Model Number":"QSM11","Minimum Order Quantity":"1 PC","Delivery Time":"Delivery within one week after receiving of payment","Certifiion":"IATF16949:2020 \/ISO9001:2008","Place of Origin":"GUANGDONG,CHINA","Payment Terms":"T\/T, X-Transfer","Supply Ability":"15000 Pcs Per Month","Packaging Details":"Wooden case\/Carton\/Standard Shipping Package","OE No.":"3103753\/4070653","Piston Number":"3103753\/4070653","CONDITION":"2021 New Collection","DELIVERY TIME":"Within one week after receiving the payment","WARRANTY":"18 Months","PACKING METHODS":"Wooden Case\/Carton\/ Standard Shipping Package","CAR MAKE":"Tractor\/Forlift\/Crane\/Marine\/Agricultural Machine","SAMPLE ORDER":"Acceptbale","HIGH LIGHT:":"Cummins QSM11 3103753 Diesel Engine Piston For LG950E 490 4070653 for Construction Machinery"}}