Installing Connecting Parts

BOLT/NUT COUPLING TYPE
1. Lubricate O-ring fittings with compressor oil for easy tightening and to prevent leaking of refrigerant gas.
2. Tighten the nut using two wrenches to avoid twisting the tube.
3. Tighten the O-ring fittings to the specified torque.




FLANGE WITH GUIDE PIN TYPE
1. Check for missing or damaged the new O-ring. Replace the O-ring only with the specified one and lubricate the new O-ring with compressor oil.
2. Hand tighten the nut or bolt by pushing the side pipe.
3. Tighten the nut or bolt.