Scan Combiflex 450 – Manual
Chapter 5
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5 Maintenance
5.1 Precautions
Set the machine into the Safety off position before beginning any work on the machine.
See “2.7 Definition of the “Safety off position””.
Read “2.6 Electrical safety” before beginning any maintenance work.
Never work on the machine while power is still connected!
All parts must have come to a complete stop before beginning any work!
When the machine is lying down on its back it might tilt to it’s upwards position. Take extra
care to prevent this from happening to ensure that no injuries or damages occur.
When the machine has been operated the segments, Scan-On plates and other parts on the
gear barrel may be hot. Take extra care to prevent burn injuries
.
Adjustment, maintenance and inspection work must be undertaken by qualified personnel.
The machine must not be connected to any power source while cleaning.
5.2 Daily inspection prior to operation
Inspect the following items prior to operation
§
Inspect the wheels for damage.
§
Inspect the grinding discs and hubs.
§
Inspect the grinding head, dirt between the Scan-On plate and the grinding hub may lower
the flexibility of the grinding head.
§
If any screws appear loose, tighten them.
§
Look over the machine for any other damage.
5.3 Maintenance and inspection list
Daily
§
Inspect the wheels
§
Inspect the grinding heads
§
Look for any other damage
12 hours after service
§
Tighten all screws
Scan Combiflex 450 – Manual
Chapter 5
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5.4 Grinding disc replacement / assembly
Follow these steps to replace the Scan-On plate
§
Make sure the machine is in its “Safety off position”
§
Tilt the machine backwards and secure it.
§
Remove any tools used according to”
4.14 Changing tools
”.
§
Loosen the three screws holding the Scan-On plate.
§
Replace the Scan-On plate.
§
It’s recommended that new screws are used to fasten the replacement Scan-On plate.
§
It’s also recommended that copper paste is used on the surface of the screw hole at the Scan-On
plate.
§
Tighten all screws by hand and make sure that they are secured.
5.5 Cleaning the machine
Before starting to clean the machine, make sure it is in its”Safety off position”
The power must not be connected while cleaning the machine.
Do not use highly pressurized water to clean the machine.
Water and soap is recommended.
5.6 Trouble shooting
5.6.1 Common faults
Symptom
Cause
Correction
A
6
The machine won’t start
§
There is a power failure from the power supply
§
Inspect the fuses in the worksites fuse box
§
Inspect cables
§
Measure that all three phases are present and at full voltage
near the machine
O
E
E
The machine only operates
while the start button is
depressed
§
The motor is overheated
§
Wait until the motor is cool again
O
§
The control device is damaged
§
Replace the control device
S
The machine is weak and
might stop when on the
ground.
§
There is a voltage drop at the power supply
§
Inspect the fuses in the worksites fuse box
§
Inspect cables
§
Measure that the main voltage is present and at full voltage
at the cable end near the machine.
§
Make sure that the cable is not too long. If the cable should
be too long, use a cable with higher rating to a distribution
box nearer the machine.
O
E
E
O
The machine vibrates a lot
§
The grinding speed is to high
§
Lower the speed
O
§
The tools are damaged
§
Inspect the tools
§
Change the tools if needed
O
O
60
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ENGLISH
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SCAN COMBIFLEX 450/450NS
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