Toshiba TOSVERT VF-MB1 Instruction Manual page 21

(3) Removing lower power terminal (output terminal) block (VFMB1S-2002 to 2022PL, VFMB1-4004 to 4037PL)
1)
1
Loose the earth screw and mounting screw by
a screwdriver.
And pick the screws up.
3)
Slide the terminal block to remove it.
2)
Move the terminal block downward.
A-8
E6581697