how to clean wagner spray gun

{"cid":"91200052","title":"C3 C4 Wagner Powder Injector Wagner Powder Coating Gun Replacement Parts","imgUrl":"https:\/\/img.ismap.com\/nimg\/eb\/55\/fa717cef24bbb5a302b93cf87c47-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"WAGNER","Model Number":"C3 C4","Minimum Order Quantity":"1 Set","Delivery Time":"5 - 8 Work Days","Certification":"CE, ISO9001","Place of Origin":"Cangzhou,China","Payment Terms":"Western Union, T\/T, L\/C, D\/A, D\/P,, MoneyGram, PayPal, Alibaba Order","Supply Ability":"100 Sets Per Month","Packaging Details":"Carton","Brand":"WAGNER","Model":"C3 C4","Feature":"Stable Powder Output","Size":"Standard","Applicatian":"Powder electrostatic spraying","Advantages":"Clean and easy to install","Warranty":"1 Year","Delivery time":"3 Days"}}