HTC GL 25 D, Руководство пользователя

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Maintenance and repairs HTC GL 25 D
34 1.1
5.5 Every month
5.5.1 Check the condition of the hoses.
• Make sure that the hoses are undamaged and free from persistent dirt. Replace
the hoses, if necessary.
5.6 Every six months (or 600 hours)
5.6.1 Check the fastening of the bolts
• Check the fastening of all bolts and screws. Tighten if required.
5.7 Every year
5.7.1 Replacement of HEPA filters
Warning!
The dust that is sucked up is harmful if inhaled. Follow local regulations and
use breathing protection.
The HEPA filters must be changed once a year, but if the daily inspection shows that the
HEPA filters needs changing, the following points must be done after steps 1 - 5 in
Check HEPA filters, page
29 .
1. Discard the defective HEPA filters.
2. Install the new HEPA filters. Take care that it is installed centrally in the HEPA filter
holder and according to the arrow so the right side of the filters are turned upwards
in the dust extractor.
3. Secure the HEPA filters, with the HEPA filter holder and both of its quick fasteners,
to the lower filter holder's hooks.
5.7.2 Replacement of main filter
Warning!
The dust that is sucked up is harmful if inhaled. Follow local regulations and
use breathing protection.
The main filter must be replaced annually. However, if the daily inspection of the main
filter shows that the filter should be replaced, follow the instructions in section Check
the main filter, page
31 .