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Gearless Lift Machine
WSG-S2.4
Operating Instructions
Code
GM.8.003290.EN
Date
13.06.2016
Version
0.10
Page
18
Subject to changes without notice ! Subject to changes without notice !
EN
Necessary tools
• Hoisting equipment • Spacer (4 ... 7 mm)
• Torque wrench (M 12) • Cleaning cloth
Disassembly
• Disconnect the system and safeguard against accidental restarting.
• Secure the car and the counter-weight.
• Remove the rope slip-off guards and the rope guards, if provided.
• Relieve the load on the traction sheave; remove the ropes.
• Support the traction sheave by means of a hoisting gear.
• Remove the three M 12 bolts (1) at the pressure disc and the pres-
sure disc itself.
• Insert two fastening bolts (2) into the outer hole circle of the
pressure disc (3) and into the traction sheave.
• Insert a spacer (4) between the pressure disc and the shaft
journal.
• Pull off the traction sheave from the tapered shaft seats by tight-
ening the bolts evenly.
Assembly
• Clean the traction sheave and the motor shaft.
• Support the traction sheave by means of a hoisting gear.
• Insert the feather key (5) into the shaft end.
• Slide the traction sheave onto the motor shaft.
• Fit the pressure disc (3) to the traction sheave and fasten it using
three pairs of NORD-LOCK washers (6) and M 12 bolts (1). Tighten
the bolts alternately around the circle in three torque steps (30,
60 and 85 Nm) as far as they will go.
Tightening torque: 85Nm
• Replace the ropes and reinstall the rope slip-off guard.
6.3. Regreasing the bearings
The anti-friction bearings have been provided with a grease filling at the factory that is sufficient for the
planned service life of the machine. Under normal operating conditions, regreasing is not required or recom -
mended.
Warning
The traction sheave can work loose if it is not properly installed.
6.4. Replacing the traction sheave
6.5. Filter mats
Remove the two screws from the protective screen. Then remove the screen and filter to clean or replace the
filter mats.
Warning
Do this work only with the fan switched off as the rotating fan wheel could be dangerous.
