Panasonic MC-E761 Service Manual ▷ View online
9
REPLACEMENT OF MAIN PARTS
IMPORTANT: Before replacing any part always
DISCONNECT THE CLEANER FROM THE
ELECTRICITY SUPPLY.
DISCONNECT THE CLEANER FROM THE
ELECTRICITY SUPPLY.
•
MOTOR / CARBON BRUSHES
(1) Motor
1. To remove the dust cover first pull it out from one side and
then rotate it up wards to take it out. (Fig.1)
2. Remove cord reel and switch pedal prying out as indicated
with a flat-head screwdriver. (Fig. 2)
NOTE: When prying out take care not to damage the body.
NOTE: When prying out take care not to damage the body.
Fig. 2
Fig. 1
Dust cover
Cord reel Pedal
Switch
Pedal
Flat-head
screwdriver
10
REPLACEMENT OF MAIN PARTS
3. Remove 7 screws from upper body and take out front cover
and upper body. (Fig. 3)
4. Remove black and white lead wires (provided with quick-
connect terminal) from the contact spring tabs and take out
cord reel ass’y and motor unit. (Fig. 4)
cord reel ass’y and motor unit. (Fig. 4)
Fig. 4
Motor unit
Fig. 3
Front cover
Cord reel
Pedal
Switch
Pedal
Upper
body
Lower body
Spring
Spring
Contact
spring
tabs
Cord reel
ass’y
11
REMPLACEMENT OF MAIN PARTS
5. Disconnect yellow and black lead wires (provided with
quick-connect terminal) from the power control circuit tabs.
(Fig. 5)
(Fig. 5)
Fig. 5
Remove
(quick-
connect
terminals)
Rear filter
Sliding
potentiometer
6. Remove motor cover and rear/front motor support from the
motor. (Fig. 6)
Fig. 6
Front motor
support
Rear motor
support
Motor
Motor cover
Fig. 7
7. Disconnect yellow and black lead wires (provided with
quick-connect terminal) from the carbon brush holder tabs
and replace the motor with a new one. (Fig. 7)
and replace the motor with a new one. (Fig. 7)
8.
Reassemble motor unit in the reverse order.
NOTE: Adjust the position of the rear motor support to the
proper motor cover position.
NOTE: Adjust the position of the rear motor support to the
proper motor cover position.
9.
Place the motor unit and cord reel ass’y into the lower
body.
body.
10. Connect the lead wires according to the schematic
diagram and reassemble the remaining parts in the
reverse order.
reverse order.
Yellow
Black
12
REPLACEMENT OF MAIN PARTS
Fig. 11
(2) Carbon brushes
NOTE: The two carbon brushes should be replaced at
the same time.
the same time.
1. Take out motor unit and remove motor cover A and B as
explained previously in paragraph (1) “Motor”, points 1-6.
2. Disconnect yellow and black lead wires (provided with
quick-connect terminals) from the carbon brush holder tabs.
3. Bend the metal end of the carbon brush holder and take out
the carbon brush. (Fig. 8)
4. Cut off the metal end of the carbon brush. (Fig. 9)
Fig. 10
Fig. 9
Fig. 8
Cut metal end
Carbon
brush
Carbon brush
Metal end
holes
5. Insert the new carbon brush into the brush holder and push
the carbon brush until the protruded pins of the brush holder
fix into the holes of the metal end. (Fig. 10)
fix into the holes of the metal end. (Fig. 10)
6. Connect yellow and black lead wires to the carbon brush
holder tabs and reassemble motor unit.
7. Place motor unit and cord reel ass’y into the lower body.
8. Connect the lead wires according to the schematic diagram
and reassemble the remaining parts in the reverse order.
Metal end
•
THERMAL CUT-OUT
1. Take out cord reel ass’y and motor unit as explained
previously in paragraph (1) Motor, points 1-4.
2. Take out thermal cut-out from its fastening points and
disconnect lead wires (provided with quick-connect
terminal) from the thermal cut-out tabs. (Fig.11)
terminal) from the thermal cut-out tabs. (Fig.11)
3. Replace the thermal cut-out with a new one and connect the
lead wires to the tabs. Then re-install it.
4. Place motor unit and cord reel ass’y into the lower body.
6. Connect the lead wires according to the schematic diagram
and reassemble the remaining parts in the reverse order.
Termal cut-out
Thermal
cut-out
tabs
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