Removal and reinstallation of the front cover
18
2.2
Removal and reinstallation of the front
cover
Removal of the front cover
• Remove the front cover installation screws to remove the front cover. (For the FR-F846-00620(30K) to 01160(55K), remove
the operation panel before removing the front cover.)
Reinstallation of the front cover
• Fix the front cover with the front cover installation screws. (For the FR-F846-00620(30K) to 03160(55K), install the front
cover while the operation panel is removed.)
Tighten the front cover installation screws in the numerical order in the figure shown below.
Inverter
Screw type
Screw size
Screwdriver size
FR-F846-00470(22K) or lower
Hexalobular screw
M4
T20
FR-F846-00620(30K) or higher
M5
T25
Inverter
Tightening torque
FR-F846-00470(22K) or lower
1.4 to 1.9 N·m
FR-F846-00620(30K) or higher
2.8 to 3.6 N·m
FR-F846-00023(0.75K) to 00170(7.5K),
FR-F846-00620(30K) to 01160(55K)
FR-F846-00250(11K) to 00470(22K)
FR-F846-01800(75K) to 03610(160K)
Loosen
Loosen
Loosen
Loosen
Loosen
Loosen
Tighten
Tighten
Tighten
Tighten
Tighten
Tighten
(1)
(5)
(4)
(2)
(6)
(3)
Tighten
Tighten
Tighten
Tighten
Tighten
Tighten
(1)
(3)
(8)
(6)
(2)
(5)
(7)
(4)
(3)
(1)
(5)
(9)
(7)
(4)
(8)
(10)
(6)
(2)
Tighten
Tighten
Tighten
Tighten
Tighten
Tighten