Andrew Wireless Innovations Group RPT-MMR8-19I User Manual

Page of 43
User’s Manual for Remote Unit
MMR8/19
Page 38
M0106A7E.doc
7.3. 
CLEANING THE HEAT SINK
F
 Note:
Read the health and safety warnings in chapter  1.2  Health and
Safety Warnings
 as well as the instructions in chapter 7.1 General
before starting with the replacement procedure. Then, proceed as
follows:
1.  Switch off the remote unit. Make sure that mains is disconnected for the following
procedure.
3.  Use compressed air (max. 5 bar) to
blow out the heat sink from back to
front:
2.  Remove the fan plate with the fan unit
from the remote unit as described in
chapter  7.2  Replacing the Fan Unit,
steps 1 and 2:
4.  In case the dirt cannot be blown out
completely but part of it sticks to the
ribs of the heat sink, clean the
concerned parts carefully from the
front using e.g. a brush. Take care
that the material is not scratched or
damaged.
5.  After cleaning the heat sink mount the fan unit again according to chapter  7.2
Replacing the Fan Unit, steps 6 and 7. Then, switch the remote unit back on.
Compressed air
(5 bar max.)
Brush (not metallic)