Product Manual

5. Transfer Switch Service8-2019

• Loosen and remove the two screws, nuts, and washers securing the bracket at the load

and emergency side (bottom) of the switch.

• Loosen and remove all M6 nuts and lock washers securing the switch to the rear wall of

the cabinet.

• Remove the switch and bottom bracket from the cabinet.

d. Mark the busbar of each phase of the Utility/Generator and Load. Then remove all of the

busbars from the old switch.

CAUTION

Mounting the busbar in the wrong direction may increase the risk of a short to ground.

Mount the busbar with the long end toward the breaker.

e. Remove the switch from the mounting panel.

2. RA412N3 and RA412S3 transfer switch assembly removal only:

a. Remove the applicable door panel(s):

• Non-service entrance models only: Remove the transfer switch cabinet door panel.

• Service entrance models only: Remove the outer and inner door panels.

b. Remove all control and power wiring from the switch terminals.

c. Loosen and remove switch assembly hardware:

• Non-service entrance models only: Loosen and remove the two terminal rings, four M6

bolts, washers, and nuts that secure the mechanical lugs on the utility side (top) of the

switch.

• Service entrance models only:

◦ Loosen and remove the two 3/8-16 bolts and washers that secure the busbars to

the breaker.

◦ Loosen and remove the two terminal rings, four M6 bolts, washers, and nuts that

secure the busbars to the utility side (top) of the switch.

• All models:

◦ Loosen and remove the two terminal rings, four nuts, and eight M6 bolts and

washers that secure the mechanical lugs on the load and emergency side (bottom)

of the switch.

◦ Loosen and remove the three M8 nuts and washers that secure the switch to the

rear wall of the cabinet.

d. Remove the switch from the cabinet.

e. Mark the location and orientation of all hardware, lugs, and any busbars that were removed.

CAUTION

Mounting the busbar in the wrong direction may increase the risk of a short to ground.