SECTION 8—MAINTENANCE
Part No 1141431
33
Reliant™ 440
Replacing Electric Actuator
WARNING
This procedure MUST be performed by a qualified technician.
NOTE:
For
this
procedure,
refer
to
FIGURE 8.1
on
page 34.
1. Disconnect
the
actuator
power
cord
from
the
bottom
of
the
control
box.
2. Remove
the
bottom
locknut,
the
two
bottom
washers,
and
the
bottom
mounting
screw
that
secure
the
electric
actuator
to
the
mast
mounting
bracket.
3. Remove
the
two
plastic
caps
(not
shown
in
drawing)
covering
the
top
locknut
and
the
top
mounting
screw.
WARNING
Rest the lift arm on your shoulder when removing the electric actuator to prevent it
from swinging loose and causing injury or damage.
4. Rest
the
lift
arm
on
your
shoulder
and
remove
the
top
locknut,
top
mounting
screw,
and
the
two
top
washers
from
the
lift
arm
mounting
bracket.
5. Remove
the
electric
actuator.
6. Reverse
STEPS
1
‐
5
for
installation.
WARNING
DO NOT overtighten the mounting hardware to prevent damaging the mounting
brackets.