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SECTION 9 PREVENTIVE MAINTEANCE
9.1 GENERAL
There are two possible pieces of equipment in an M-THREE system
that will need preventive maintenance:
a) The Disk Drives in all M-THREE systems.
b) The Air-Filter in the M-THREE/300 series.
9.2 DISK DRIVE MAINTENANCE
The inherent machanical and electronic complexity of disk drives
prohibits user maintenance and therefore it is recommended that
with normal use, the disk drives are serviced annually by an lSI
or authorised service enginneer.
9.3 AIR-FilTER MAINTENANCE (M-THREE/300 SERIES)
The Air-Filter should be visually checked after every 2-3 months of
continual operation. More frequent checks will be necessary if the
system is being operated in an adverse environment e.g. in close
proximity to excessive smoke or dust.
The Air-Filter is located on the rear panel of the M-THREE directly
behind the Disk Drives.
9.3.1
Removal
Detach the complete Air-Filter assembly from the rear of
the M-THREE by removing the four retaining screws. The
Air-Filter can then be pushed out of its housing for inspec-
tion and cleaning if necessary.
9.3.2
Cleaning
a)
Flush the loose dirt from the filter with a steam of warm
water.
b)
Place the filter in a warm solution of low foam domestic
detergent.
c)
Rinse well in clean water.
d)
Shake and allow to drip-dry.
e)
Re-install the Air-Filter assembly.
9-1
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