GE Profile PTWN8055MMS Technical Service Manual page 37

Clutch Operation
• The clutch locks and unlocks the basket by
engaging teeth on the inside of the rotor with
teeth on the clutch coupler.
• When the basket and infusor are in the locked
position, the clutch moves downward and
engages the rotor and clutch coupler teeth
allowing the basket to rotate with the infusor.
Rotor Teeth
• When the basket and infusor are in the unlocked
position, the clutch moves upward, disengaging
the clutch coupler and rotor teeth, allowing the
infusor to rotate independently of the basket.
To diagnose the clutch motor:
•
Note: Disconnect power and unplug the clutch
motor connector at the power board.
•
•
•
•
Locked
Clutch Coupler
Unlocked
– 37 –
Power board location WH6 supplies
the clutch motor through the brown and white
wires when the clutch motor changes position.
The clutch motor has an approximate resistance
value of 1.95 to 2.25K   . This can be measured
between the white and brown wires on the
power board location WH6. (See
)
Connector Locator View.
The rotation of the clutch motor causes an
internal switch to open or close. This can be
measured between the brown and blue wires on
the power board location WH6.
When the clutch is in the unlocked position, the
d (0   ). ).
switch should be closed (0
When the clutch is in the locked position, the
switch should be open (infi nity).
White
Brown
Blue
Blue
120 VAC to
Circuit Board
(Continued Next Page)