VERDER JEC PUMPS JRZS Series Operation And Maintenance Manual page 13

Before insert the twin screws, interdigitate carefully and
checking the key in screw and groove in shaft to be matched.
Slide and insert carefully the twin screws to the screw case and
treat carefully the screws to avoid damage.
Fasten screw bolts and spring washers with reference of below
torque set value using wrench spanner.
Series ZS100
Bolt size
Torque value for
Screw bolt (N·m)
Covering and fasten four cap nuts with reference of below torque
set value so that the Front cover and screw case can be
assembled.
Series ZS100
Nut size
Torque value for
Cap nut (N·m)
Ver. JRZSM-1807
ZS200 ZS300
M8 M14 M18
22 40 53
ZS200 ZS300
M8 M10 M14
14 17 30
Fig. 14
Fig. 15
Fig. 16
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