a) The flange sheet surface should be clean and undamaged. (Clean any dirt away with a cloth
b) Coat the flange sheet surface with refrigeration oil (Ester or ether oil) and then insert the
c) Tighten the bolts in opposite corners first to ensure that the connection is true.
1. Only clean refrigeration/oil should be used to coat the flange. (i.e. free from dirt or water)
2. The correct amount of torque should be applied when tightening the flange bolts.
Standard torques for tightening screws and bolts
ISO hexagonal bolt
and check that there has been no damage.)
packing. (Do not use SUNISO oil.)
Refrigerant oil (Ester or ether oil.)
The bolts should be tightened little by
little in the above order such that the
same degree of torque is applied
evenly to each corner.