Freezer Model:FHV5SGWW/FHV7SGWW39MAINTENANCE SERVICE AND TROUBLE SHOOTINGMaintenance Service and Trouble Shooting(1) It is not allowed to fill R134a by R12 filling equipment.(2) Please keep the pliers, pipe cutting unit and Hansen valve clean, andkeep them away from grease dirt.12.5.3 Procedure for filling equipment(1) Preparation before use① Visually inspect recovery machine for abnormalities, etc.② Keep all valves closed to equipment until really to proceed.(2) Evacuation① Connect recovery machine hoses to system fittings② Switch on power.③ Switch on motor.④ Open all related valves.⑤ Observe the pointer of vacuum meter when it is accessing the mark –1.⑥ Evacuation time shall not be less than 45 min.⑦ After evacuation close valves.PDF created with pdfFactory trial version www.pdffactory.com