Service (cont.), Wiring diagram, Franklin motor marathon motor – Bunn G9-2 HD-S User Manual
Page 16
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SERVICE (cont.)
Snubber
Location:
The snubber is located at the back of the motor at-
tached to the right side of the wiring harness.
Removal and Replacement:
1. Remove snubber wires from the motor terminals.
2. Cut the ties holding snubber to the wiring harness.
3. Refer to the following illustration when reconnect-
ing the wires.
4. Fasten snubber to the wiring harness using new
ties.
Solenoids
Location:
The solenoids are located on the mounting plate
immediately beneath the hoppers.
Test Procedure:
1. Unplug the grinder.
2. Connect a voltmeter across the left or right sole-
noid coil terminals. Plug-in the grinder. Momen-
tarily press the Off/On/Start switch to “START”
(lower) position and release (hopper selector switch
must be corresponding to the suspect solenoid).
The indication must be 120 volts ac for 120V
models and 230 volts ac for 230V models.
3. Unplug the grinder.
If voltage is present as described, proceed to #4.
If voltage is not present as described, refer to the
Wiring Diagram
and check the grinder wiring harness.
4. Separate the connectors on the white/brown wires
of the solenoids from the connectors on the
grinder wiring harness (RED/BLK) and the limit
thermostat.
5. Check for continuity across the white/brown wires
on the suspect solenoid coil.
COA
RS
E FIN
E
T
H
O
R
O
UG
HLY
CLEAN G
RIND
CH
AM
B
E
R
B
E
F
O
R
E
R
E
A
S
S
E
M
B
L
Y
E
M
PT
Y H
OPPER B
EFOR
E
RE
M
O
V
IN
G
T
H
IS
C
O
V
E
R
.
N
OT
IC
E
CO
AR
SE FIN
E
COA
RS
B
U
P608
P611
10218 051603
GRN to Chasis Ground
YEL to Snubber
P621
WHI/ BLU to Snubber
WHI/BLU to Relay
WHI/BLK to Snubber
WHI/BLK to Cordset
(120V models)
RED/BLK to Cordset
(230V models)
FRANKLIN MOTOR
MARATHON MOTOR
GRN to Chasis Ground
YEL to Snubber
WHI/ BLU to Snubber
WHI/BLK to Snubber
WHI/BLU to Relay
WHI/BLK to Cordset