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(2) Please keep the pliers, pipe cutting unit and Hansen valve clean, and
keep them away from grease dirt.
12.5.3 Procedure for filling equipment
(1) Preparation before use
① Visually inspect recovery machine for abnormalities, etc.
② Keep all valves closed to equipment until really to proceed.
(2) Evacuation
① Connect recovery machine hoses to system fittings
② 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.
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
⑧ Switch off motor.
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