OPERATING MANUAL TW63 APPENDIX
ThyssenKrupp Aufzugswerke GmbH
9.2 Tightening torques- tightness values
for mounting parts on the machine
Important: Must be complied with when working on the machine or
replacing parts!
Tight-
ness
DIN/
ISO
Tightening
torque
Nm
Handwinding wheel to hub
Slotted pan head tapping screw M 8*12 8.8 4762 20
Locking washer S8
Hub to shaft
Slotted pan head tapping screw M 12 * 35
microencapsulated
8.8 4762 75
Detent edged screw SK M12
Spring-type straight pin 6 *18
8752
Pulse encoder to motor casing
Slotted pan head tapping screw M 6 *12
8.8 4762 9
Motor bearing cover to motor casing
Slotted pan head tapping screw M 6 *12
8.8 4762 9
Motor casing to gear box casing
Slotted pan head tapping screw M 12 * 35
8.8 4762 75
Brake disc to worm shaft (only for A4 motors)
Shaft nut M 55 * 2
8.8 600
Internal bearing cover to gear box casing
Slotted pan head tapping screw M 12 * 35
microencapsulated
8.8 4762 75
Disc on the traction sheave shaft
Slotted pan head tapping screw M16 * 40
microencapsulated
8.8 4762 150
Detent edged washer SK M16
Bearing bracket on housing
Slotted pan head tapping screw M 10 * 30
microencapsulated
8.8 4762 40
Bearing cover to bearing bracket
Hexagon screw M10 * 30 8.8 4017 40
Detent edged washer SK M10
Disc to bearing - worm wheel shaft
Slotted pan head tapping screw M 10 * 30
microencapsulated
8.8 4762 40
Locking screw on brake block pin
Slotted pan head tapping screw M6 * 12 8.8 4762 9
Detent edged washer SK M6
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