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Replacing Spare Parts Drive Unit – Feed Axis Preparations 22 Ser vice Manual SIPLACE WPC4 3.4 Drive Unit – Feed Axis 3.4.1 Prep arations Tools required  Water pum p pliers  Standard tool with set of Allen wrenches  Se…

Replacing Spare Parts

Replacing the Lifting Axis Toothed Belt [03046971-xx] Drive Unit – Lifting Axis

Service Manual SIPLACE WPC4

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

22 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

Replacing Spare Parts

Replacing the Feed Axis Drive Motor [03047364-xx] Drive Unit – Feed Axis

Service Manual SIPLACE WPC4

3.4.2 Replacing the Feed Axis Drive Motor [03047364-xx]

X Loosen the two motor support fastening screws (3) sealed with locking varnish.

X Loosen (do not remove) the tensioning screw (2) on the tensioning device. This relaxes the drive

toothed belt.

X Loosen and remove the 2 fastening screws (3) and then remove the drive motor with motor support.

Make sure that the drive toothed belt (4) is not buckled or damaged.

X Mark the installation position of the drive motor on the motor support.

X Loosen the 4 drive motor fastening screws (4) on the motor support.

X Fit the new drive motor with the 4 fastening screws (6) to the motor support. Observe the original

installation position.

Spare part

 Feed axis motor, compl. [03047364-01]

Overview

1. Feed axis motor, compl.

2. Tensioning screw

3. 2 x motor support fastening screws

4. Toothed belt for the drive

5. Deflection pulley

6. 4 x drive motor fastening screws

7. Electrical connections

Removal/Installation

X Unscrew the electrical connections (7).

 X1 orange cable = power cable

 X2 green cable = control cable

NOTE: Screw joints difficult to

loosen

Each screw joint has an O-ring seal.

This can make opening the screw joint

difficult.

X Use a pair of water pump pliers to

help you unscrew the connection.

X Make sure that the O-rings do not fall

out of the screw joint and that they

are not damaged.

X When refitting, grease the thread

and the O-rings with a little Vaseline.