SIPLACE D4-D4i 工程师手册_EN - 第117页
Service Work 4.4.4 Replacing the Toothed Belt of the Drive Unit [0035555 3] PC B conveyor system Service Manual SIPLACE D4/D4i 117 Installation 4.4.4 4 . 4 . 4 R e p la c in g t h e T o o t h e d B e lt o f t h e D r iv …
Service Work
PCB conveyor system 4.4.3 Replacing the DC Geared Motor [03009269]
116 Service Manual SIPLACE D4/D4i
Removal
► Move the PCB conveyor to a position in which the
fastening screws (2) are accessible.
► Switch off the machine and secure it to prevent unau-
thorized reactivation.
► Mark the polarity (+ / -) of the cable connections (1) -
important for the direction of rotation!
► Disconnect the cable shoes from the motor terminals
(1).
► Strip the heat-shrinkable sleeve, (4) used to fasten
the connection cable, from the circumference of the
DC geared motor.
► From the outer side of the conveyor, undo the fixtures
holding (2) the DC geared motor (5).
► Tilt the DC geared motor (5) a little, so that the small
toothed belt (3) comes free of the toothed disk.
CAUTION! Do not damage the toothed belt!
The toothed belts must not be stretched or kinked!
► Pull the DC geared motor out.
► Please note:
⇨ The toothed disk on the motor shaft must be
moved out in such a manner that it does not get
caught in the toothed belt.
5
1
4
3
2
NOTICE
If you have discovered a break in the motor cable during a continuity check, the motor cable
must be unthreaded as far as the conversion board of the conveyor side (see circuit diagrams
of the same name) and unplugged at the corresponding point.
This might be somewhat complicated depending on the routing of cables inside the machine
base.
You may wish to contact Siemens AG SMD Service regarding this work.
Service Work
4.4.4 Replacing the Toothed Belt of the Drive Unit [00355553] PCB conveyor system
Service Manual SIPLACE D4/D4i 117
Installation
4.4.4
4.4.4 Replacing the Toothed Belt of the Drive Unit [00355553]
Replacing the Toothed Belt of the Drive Unit [00355553]
Overview
CAUTION! Do not damage the toothed belt!
The toothed belts must not be stretched or kinked!
► Fit the new DC geared motor (5) by following the
above instructions in reverse order.
The entire width of the toothed belt (3) must engage
at the top and bottom toothed disks.
► Fix the DC geared motor (5) with the 4 M3 hexagonal
socket-head screws (2).
► Tension the toothed belt (3) by moving the DC geared
motor in the fastening holes. The belt tension must be
between
10 and 15 N.
► Reconnect to the electrical system (1) and secure the
connection cable with a heat-shrinkable hose (4).
NOTICE! After the geared motor has been in-
stalled, you must make certain that the direction of rota-
tion and the conveyor speed (motor voltage) are correct.
5
1
4
3
2
Legend
1. DC geared motor
2. Circlip
3. 4 x fastening screws
4. Toothed belt
5. Toothed disk
The DC geared motors, including the motor mounts of all
5 conveyor areas, are of like construction. Please bear in
mind the following differences during assembly and dis-
assembly:
▪ The motor mount is installed at an angle (tilted), ac-
cording to the requirements of the installation site.
1
5
4
3
2
Service Work
PCB conveyor system 4.4.4 Replacing the Toothed Belt of the Drive Unit [00355553]
118 Service Manual SIPLACE D4/D4i
Removal
► Switch off the machine and secure it to prevent unau-
thorized reactivation.
► Remove the complete drive unit (5).
► From the outer side of the conveyor, undo the fixtures
holding (2) the DC geared motor (1).
► Tilt the DC geared motor (1) with its toothed disk (4)
a little, so that the small toothed belt comes free of the
toothed disk.
CAUTION! Do not damage the toothed belt!
The toothed belts must not be stretched or kinked!
► Pull the DC geared motor out.
► Please note:
⇨ The toothed disk on the motor shaft must be
moved out in such a manner that it does not get
caught in the toothed belt.
► Remove the circlip (1) and the shims/washers (2).
► Use a small rubber mallet to carefully knock the
toothed disk (3) out of the motor mount (5).
► Remove the toothed belt (4) from the mount.
5
1
4
3
2
1
5
4
3
2