User’s Manual for
ION™-M7P/85P/17P/19P (ML-Cab)
Page 42
MF0143AUA.doc
5.2.
REPLACING THE FAN UNIT
Replacement of the fan unit is not required as a preventative measure. Only if an
alarm indicates a malfunctioning of a fan, must the unit be exchanged.
)
Note:
Please observe that the fan unit can only be replaced as a whole.
Do NOT remove the fans separately!
Read the health and safety warnings in chapter
as well as the instructions in
before starting with the replacement.
1.
Switch off the Remote Unit. Make sure the power supply connector is
disconnected for the following replacement procedure.
Then, proceed as
follows:
2. Remove the fan guard by unscrewing (Torx 20) the four countersunk-head screws
(two at each side) by which it is fastened:
1)
3. Loosen the four fillister-head screws
M4x8 by which the fan unit is screwed
to the cabinet (circle-marked in the
figure to the right).
2)
4. Disconnect the fan-unit connector and
take out the fan unit.
5. To mount the new fan unit, re-connect
the fan unit connector and place the
fan unit back into its original position.
6. Screw the whole fan unit to the
cabinet with the four lens-head screws
M4x8.
2)
7. Finally mount the fan guard and fasten
it with the four countersunk screws.
1)
figure 5-1 Fan unit and heat sink
8. Then, mains power can be reconnected and the unit can be powered up.
1)
In order not to exceed the specified torque of 82 Ncm, use an appropriate tool!
2)
In order not to exceed the specified torque of 330 Ncm, use an appropriate tool!
Fan unit connector
Heat sink
Fan unit
Summary of Contents for ION-M7P
Page 1: ...Optical Remote Unit ION M7P 85P 17P 19P ML Cabinet User s Manual MF0143AUA ...
Page 6: ...User s Manual for ION M7P 85P 17P 19P ML cab Page 6 MF0143AUA doc For your notes ...
Page 11: ...1 General Page 11 ...
Page 14: ...User s Manual for ION M7P 85P 17P 19P ML Cab Page 14 MF0143AUA doc For your notes ...
Page 36: ...User s Manual for ION M7P 85P 17P 19P ML Cab Page 36 MF0143AUA doc For your notes ...
Page 44: ...User s Manual for ION M7P 85P 17P 19P ML Cab Page 44 MF0143AUA doc For your notes ...
Page 45: ...6 Appendix Page 45 6 APPENDIX 6 1 ILLUSTRATIONS G3219M0 figure 6 1 Cabinet drawing ...
Page 48: ...User s Manual for ION M7P 85P 17P 19P ML Cab Page 48 MF0143AUA doc For your notes ...
Page 50: ......