GEA Hilge CONTRA I ADAPTA Operating Instructions Manual page 91

Install impeller
To prevent damage, use socket wrench with bit to
tighten the impeller nut (0922.00).
Tighten the impeller nut (0922.00).
Torques:
GEA Hilge CONTRA I: M10: 20 Nm
GEA Hilge CONTRA II: M20 x 1.5: 100 - 120 Nm
Install the suction cover (0162.00).
Grease the thread of the tie bolts (0905.01) with
Klüber paste.
Fasten the suction cover (0162.00), using the
spring washers (0934.03) and domed nuts
(0927.00).
torque: 20 Nm
BA.10A.ADY.001.GB_1
20.07.2018
Malfunctions / repairs
Fig.119: Hexagon nut with insert
Fig.120: Suction cover
Fig.121: Tie bolts
Fig.122: Suction cover, domed nuts
Repair
91