107
(3)
Inverter assembly
1. Detachment
1) Following to work of Detachment of (1).
2) Remove screw (1 pc, M4 × 8 truss screw) of the
upper part of the front cabinet.
• If removing the inverter cover in this condition,
P.C. board can be checked.
• If there is no space above the unit, perform work of
1 in (2).
CAUTION
Be careful to check the inverter because high-voltage
circuit is incorporated in it.
3) Perform discharging by connecting (+), (-) polarity
by discharging resistance (approx. 100
Ω
, 40 W) or
plug of soldering iron to (+), (-) terminals a of the
C10 (printed “WARNING HIGH VOLTAGE” is
attached.) electrolytic capacitor (500
μ
F) on P.C.
board.
CAUTION
Be careful to discharge the capacitor because the
electrolytic capacitor cannot naturally discharge and
voltage remains according to trouble type in some
cases.
NOTE
This capacitor is one with mass capacity.
Therefore, it is dangerous that a large spark generates if
short-circuiting between (+), (-).
4) Remove screws (4 pcs, M4 × 8 truss screws) fixing
the terminal part of inverter box to the side cabinet
(right).
5) Remove the front cabinet by performing step 1 in
(2), and remove the fixing screw (1 pc, M4 × 8 truss
screw) for securing the partition plate and inverter
box.
6) Remove the fixing screw (1 pc, M4 × 8 truss screw)
securing the wiring cover and inverter box.
• After removing screw, remove the wiring cover
pulling it downward.
7) Remove the fixing screws (2 pcs, M4 × 8 truss
screws) for securing the motor base and inverter
box.
8) Remove various lead wires from the holder at upper
part of the inverter box.
9) Pull the inverter box upward.
10)Disconnect connectors of various lead wires.
(Refer to next page for detail of lead wires and
connector)
REQUIREMENT
As each connector has a lock mechanism, avoid to
remove the connector by holding the lead wire, but by
holding the connector.
Be sure to remove the connector by holding the
connector, not by pulling the lead wire.
No.
Part name
Procedure
Remarks
Inverter cover
Inverter cover
Inverter cover