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7 Disassembly and Assembly Instructions
7.1. Remove the Rear cover
1. See Service Hint (Section 3)
7.2. Remove the Fan unit
1. Unlock the cable clampers to free the cable.
2. Remove the screws (×3 ).
3. Remove the relay connectors and remove the Fan unit.
4. Remove the screw (×1 ) on the back side.
5. Remove the Fan.
7.3. Remove the PB-Board
1. Unlock the cable clampers to free the cable.
2. Remove the screws (×2 ).
3. Remove a short-jumper connectors (PB31 and PB32)
and re-use for new PB-Board.
4. Disconnect the connectors (PB30, PB33, PB34, PB35,
PB36 and PB37)
5. Remove the PB-Board.
7.4. Remove the P(AC)-Board
Caution:
To remove P.C.B. wait 1 minute after power was off for dis-
charge from electrolysis capacitors.
1. Unlock the cable clampers to free the cable.
2. Disconnect the connectors (P9, P51, P53 and P55).
3. Remove the screws (×6 ) and remove the P(AC)-
Board.
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