Ma in t e nan c e | Over vi e w of s cre w t i gh teni n g to r q u e s
88
GEAR UNIT
Size
Type, size
and length
Number
Tightening
torque
GM2 Fillister-head screw M6x85 3x 7 Nm
GM4 Fillister-head screw M6x105 3x 7 Nm
GM6 Fillister-head screw M8x110 3x 18 Nm
GM8 Fillister-head screw
M10x140
3x 25 Nm
LOCKING SCREW
Size
Type, size
and length
Number
Tightening
torque
GM2 Fillister-head screw M6x105 1x 7 Nm
GM4 Fillister-head screw M6x105 1x 7 Nm
GM6 Fillister-head screw M8x110 1x 10 Nm
GM8 Fillister-head screw
M10x110
1x 10 Nm
MAGNET BODY
Size
Type, size
and length
Number
Tightening
torque
GM2 Hexagon head screw M4x45 3x 3 Nm
GM4 Hexagon head screw M5x55 3x 6 Nm
GM6 Hexagon head screw M6x65 3x 10 Nm
GM8 Hexagon head screw M6x65 3x 10 Nm
BRAKE BEARING SHIELD
Size
Type, size
and length
Number
Tightening
torque
GM2 Fillister-head screw M5x20 3x 4 Nm
GM4 Fillister-head screw M5x20 4x 4 Nm
GM6 Fillister-head screw M8x25 4x 18 Nm
GM8 Fillister-head screw M10x30 4x 25 Nm
─ With the chain hoists GM2 and GM4, the
fillister-head screw below on the left is also
used to attach the tab washer for the bolt on
the chain anchor point.