9-80 Structure and Assembly/Disassembly
2. Step on the brake pedal and the walking pedal. Unscrew 2 M4 X 12 cross panhead screws with
cross-headed screwdriver (M3, M4), then take off protective board.
3. Open the brake pedal. Unscrew 1 M4 X 12 cross panhead screw with the screwdriver (M3, M4)
from the left front caster. Unscrew 2 M6 X 16 stainless steel round inner head screw from the
front/back left back caster to remove the left brake rod.
4. Unscrew one M6 X 16 stainless round inner head screw with the M6 inner hexagon spanner,
and unscrew one M4 X 12 cross panhead screw with the screwdriver to remove the right brake
rod.
The walking pedal
M4X12 cross panhead screw
stainless steel round inner head
on back left caster
M6X16stainless steel round inner head
screw
on front left caster