Gilson SGA-5R User manual

1. Unplug unit, remove both threaded
rods.
2. Flip unit over.
3. Remove the (4) 1/4" x 20 Nylon Insert
Lock-Nuts.
4. Pullcaseupand tilttotheleft.Becareful
not to pull on ground wire lead.
5. Removethegreengroundwirefromthe
perforatedmetalbracket.Removeboth
black motor lead wires. Be careful not
to pull wires out of the connectors. Cut
the plastic zip ties holding the wires to
theinsidecaseforeasierdisconnection.
6. Removebothweights.Notetheorienta-
tion of the weight on each motor shaft
for re-assembly. See below for Model
Number:
7. Remove the two machine screws and
washers from right side perforated
metal bracket.
8. Remove three nuts, lock washers and
atwashersfrommotor studsand slide
bracket o.
9. Remove the four nuts, lock washers
and at washers from the peforated
metal bracket from the opposite side
of motor.
10. Remove motor. NOTE: Do not transfer
the nuts on motor studs. Discard with
motor.
DISASSEMBLY OF OLD MOTOR
SGA-5R SGA-5RT
Motor Replacement Instructions for
SGA-5R & SGA-5RT
Rev: 01/2019
PHONE: [phone] P.O. Box 200, Lewis Center, Ohio 43035-0200
740-548-7298 E-mail: [e-mail] Product Web Page: www.globalgilson.com
FAX: [phone]
740-548-5314

1. Slide new motor into the attached
perforated metal bracket. Slide loose
perforatedmetalbracetontothemotor
studs.
2. Attach the loose perforated metal
bracket to the bottom plate with the
two machine screws and washers.
3. Place four nuts, lock washers and at
washer on the four motor studs on left
side of motor and securely tighten.
4. Place three nuts, lock washers, at
washers onto right peforated metal
bracket leaving the top motor stud for
attaching the green ground wire later.
5A. If your model number is SGA-5R:
Slide new weights 1/4" from end of
each motor shaft. Use Loctite to se-
cure the set screw and orientate the
weights 90 degrees apart from each
other on the motor shafts as indicated
in picture to the left. Securely tighten
the set screw on each weight.
5B. If your model number is SGA-5RT:
Slide new weights 1/4" from end of
eachmotorshaft.UseLoctitetosecure
thesetscrewandorientatetheweights
the same direction on each of the mo-
tor shafts as indicated in picture to the
left. Securely tighten the set screw on
each weight.
6. Amplitude adjustment. Pull black am-
plitude button o.
7. Remove metal retainer nut and pull
switch out of case as far as the wire
leads will allow.
8. Lookforthesmall blueadjustingscrew.
Using a small screwdriver, turn the
screw 1/8 turn clockwise to the right
from the 3 o'clock to the 4 o'clock
position as shown. Place switch back
in case and secure with metal retainer
nut and be sure that the o position of
theswitchlines upwith theo position
on the outside case.
9. Connect motor leads to the two white
wires. White wire to white wire and
black wire to white wire. Motor will run
regardless of connections made.
REASSEMBLY OF NEW MOTOR

10. Connect the two ground wires (one
from inside case, one from motor) to
the same motor stud and secure with
lock washer and nut.
11. Place case over the four metal springs
with studs and secure with the (4) 1/4"
x 20 Nylon Insert Lock-Nuts.
12. Turn case over, attach both threaded rods to bottom base
plate.
If you need further assistance, please contact
Gilson Technical Support at 1-800-444-1508
REASSEMBLY OF NEW MOTOR (CONTINUED)