Bosch Start Line TCE 420 Manual Original página 46

en 46 | Start Line TCE 420 | Maintenance
9.2.2 Belt
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Periodically adjust the tension of the motor belt as
per the following steps:
1. Before this operation, switch off the power supply
and air supply.
2. Detach the side panel on the machine cabinet.
3. Release the bolt A and nut C. Adjust the bolt B at
the back end of the motor bracket. Tighten the belt
as shown in figure below. The requirement to the
tension of the belt is that the belt will move inward
by 8 mm if you apply the force of 8 kg.
4. After adjust, position the belt and tighten bolt A and
tighten nut C.
5. If the mounting head is not locked or not located
at the position 2-3 mm higher than the rim, it is
necessary to adjust the adjusting nuts A and B at the
front end of hexangular shaft lock plate.
6. If the mounting head is not locked or not backward
by 2-3 mm, it is necessary to adjust the adjusting
nuts A and B at the front end of quartet lock plate.
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1 695 108 074 2016-07-27
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If the lifting device moves too slow and the column
tilts too slow, you should operate as per the
following steps shown in figure below. Clean the
silencer.
¶
Before any operation, switch air supply and power
supply.
¶
Detach the side panel on the machine cabinet.
¶
Adjust the silencer A and B on the adjust valve
assembly.
¶
Or use the high pressure air to clean.
¶
Change the silencer if it is damaged.
Robert Bosch GmbH