FORMA: Service & Maintenance manual - rev. 3.0
Page 7.22
7.18. DISASSEMBLING THE INVERTER
Figure 7.18-1
1. Carry out the procedures described in
paragraph 7.7. “Disassembling the motor
guard”.
2. Open the INVERTER covers, backing off
screw a with a small phillips screwdriver.
3. Disconnect the electrical cables b using a
small flat-blade screwdriver for the logic
signals (upper terminal block) and a medium
phillips screwdriver for the power signals
(lower terminal block).
4. Disconnect the inverter ground cable using a
medium phillips screwdriver.
5. Back off the 4 fixing screws c using a 7-mm
socket wrench.
6. Remove the INVERTER.
To reassemble the INVERTER, carry out the
above steps in reverse order.
When reassembling the INVERTER, be
sure to use the plastic screws and
washers which ensure its isolation from
ground.
When reassembling the INVERTER, do
not overtighten the plastic screws to
avoid damaging the thread.
After completing the procedure,
calibrate the speed as described in
paragraph 8.6. .
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