WPC4 services manual - 第19页
Replacing Spare Parts Replacing the Lifting Axis Toothed Belt [03046971-xx] Drive Unit – Lifting Axis Service Manual SIPLACE WPC4 19 3.3.3 Replacing the Lif ting Ax is T oothed Belt [03046971-xx] X Loosely fix the motor …

Replacing Spare Parts
Drive Unit – Lifting Axis Replacing the Lifting Axis Drive Motor [03047846-xx]
18 Service Manual SIPLACE WPC4
Installation
X Loosely fix the motor support and drive motor
into the installation position, with the 2
fastening screws (2).
X Reconnect the electrical connections with the
motor. When fitting, note that there is an anti-
twist lock (notch) present. Tighten the
connection appropriately.
X Run the drive toothed belt around the motor
pinion and the spindle toothed wheel and
tension (pretension) the toothed belt at the slot
provided, with the help of the motor support.
X Set the final belt tension. To do this, tension
the drive toothed belt at the tensioning device,
with the help of the tensioning screw (5). This
moves the motor support accordingly in the
slots.
Setting: set belt tension to
235 Hz.+/- 10 Hz.
X Tighten the 2 fastening screws (2) on the
motor support, check the belt tension and
adjust where necessary.
X Seal the 2 fastening screws (2) with locking
varnish.
X Calibrate the lifting axis.

Replacing Spare Parts
Replacing the Lifting Axis Toothed Belt [03046971-xx] Drive Unit – Lifting Axis
Service Manual SIPLACE WPC4
19
3.3.3 Replacing the Lifting Axis Toothed Belt [03046971-xx]
X Loosely fix the motor support and drive motor into the installation position, with the 2 fastening
screws (2).
X Run the new drive toothed belt around the two toothed wheels and tension (pretension) the toothed
belt at the slot provided, with the help of the motor support.
X Set the final belt tension. To do this, tension the drive toothed belt at the tensioning device, with the
help of the tensioning screw (5). This moves the motor support accordingly in the slots.
Setting: set belt tension to 235 Hz. +/- 10 Hz.
X Tighten the 2 fastening screws (2) on the motor support, check the belt tension and adjust where
necessary.
X Seal the 2 fastening screws (2) with locking varnish.
X Calibrate the lifting axis.
1. Lifting axis drive motor
2. 2 x motor support fastening screws with drive
motor
3. Drive toothed belt
4. 4 x drive motor fastening screws
5. Tensioning screw
Spare part
Toothed belt 16AT5/450 [03046971-01]
Removal/installation
The drive motor (1) of the lifting axis is located
behind the front cover. If the drive motor is
disconnected from the power supply, the drive is
fixed with a brake.
WARNING: Do not move the motor
against the brake.
Do not move the lifting axis motor shaft
against the brake. This could impair the
braking function or damage the brake.
X Loosen the two motor support fastening
screws (2) sealed with locking varnish.
X Loosen (do not remove) the tensioning screw
(5) on the tensioning device. This relaxes the
drive toothed belt.
X Loosen and remove the 2 fastening screws (2)
and then remove the toothed belt (3).
WARNING: Tower moves down
The tower moves down about 1 mm, to
the bottom, red bumper.

Replacing Spare Parts
Drive Unit – Feed Axis Preparations
20 Service Manual SIPLACE WPC4
3.4 Drive Unit – Feed Axis
3.4.1 Preparations
Tools required
Water pump pliers
Standard tool with set of Allen wrenches
Setting gauge, large, for collision light barrier [03051814-01]
Setting gauge, small [03052363-02]
Belt tension measuring device [00326015-01] with instruction guide
Required preparations
X Move the tower into the refill position.
X Remove all waffle pack tray carriers (WPTCs) from the tower.
X Move the tower downwards.
SITEST => menu
Functions
=> button
Transport position
.
X Switch the WPC4 off at the main switch.
X Unplug from the power supply and secure the WPC4 to prevent unauthorized reactivation.
X Undock the WPC4 from the SIPLACE machine and move it to a suitable position for service work.
Overview
1. Feed axis cover
2. Bridge cover (safety cover on tower)
3. Feed axis drive motor
4. Drive toothed belt
5. Feed axis toothed belt