Panasonic MC-UL423-00 User manual

© 2013 PANASONIC APPLICANCES COMPANY
OF AMERICA. All rights reserved. Unauthorized
copying and distribution is a violation of law.
MC-UL423-00
MC-UL423T-00
MC-UL425-00
MC-UL427-00
MC-UL427M-00
MC-UL429-00
Product Color: Octane Orange (MC-UL423-00)
Octane Orange (MC-UL423T-00)
Dynamic Blue (MC-UL425-00)
Vibrant Violet (MC-UL427-00 & MC-
UL429)
Green with Envy (MC-UL427M-00)
Destination: North America
Vacuum Cleaner
Specifications are subject to change without notice for further improvement.
Order Number MAC1206003CE

1 WIRING SCHEMATICS 3
1.1. Wiring Diagram (MC-UL423-00, MC-UL423T-00) 3
1.2. Wiring Diagram (MC-UL425-00, MC-UL427-00, MC-
UL427M-00, MC-UL429-00) 3
1.3. Wire Management Drawing (MC-UL423-00, MC-UL423T-
00) 4
1.4. Wire Management Drawing (MC-UL425-00, MC-UL427-00,
MC-UL427M-00, MC-UL429-00) 5
2 EXPLODED VIEW AND PARTS LIST 6
2.1. Body 6
2.2. Nozzle Housing 8
2.3. Handle Assembly 9
2.4. Dust Bin Assembly 10
2.5. Packing Materials 12
3 SERVICE PROCEDURES 13
3.1. Lower Plate 13
3.2. Agitator 14
3.3. Motor 14
3.4. Cord Reel (MC-UL427 & MC-UL425) 16
3.5. Power Cord (MC-UL423) 16
3.6. On/Off Switch 17
CONTENTS
Page Page
2
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

1 WIRING SCHEMATICS
1.1. Wiring Diagram (MC-UL423-00, MC-UL423T-00)
1.2. Wiring Diagram (MC-UL425-00, MC-UL427-00, MC-UL427M-00, MC-
UL429-00)
3
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

1.3. Wire Management Drawing (MC-UL423-00, MC-UL423T-00)
NOTE:
For general servicing, it is necessary to eliminate pinching of any wire during reassembly. After servicing any electrical
component or electrical enclosure, the unit should be reassembled and checked for dielectric breakdown or current leakage.
Use part number AC79FCWZZ000 (FIBERGLASS CLOTH TAPE) whenever original tape is removed.
4
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

1.4. Wire Management Drawing (MC-UL425-00, MC-UL427-00, MC-UL427M-
00, MC-UL429-00)
NOTE:
For general servicing, it is necessary to eliminate pinching of any wire during reassembly. After servicing any electrical
component or electrical enclosure, the unit should be reassembled and checked for dielectric breakdown or current leakage.
Use part number AC79FCWZZ000 (FIBERGLASS CLOTH TAPE) whenever original tape is removed.
5
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

2 EXPLODED VIEW AND PARTS LIST
2.1. Body
2.1.1. Exploded View
6
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

2.1.2. Parts List
Ref. No. Part No. Part Name & Description Qty. Remarks
1 AC40KDSBZV07 DUST COMPARTMENT 1 MC-UL423-00, MC-UL423T-00
1 AC40KDSAZV07 DUST COMPARTMENT 1 MC-UL425-00
1 AC40KDRZZV07 DUST COMPARTMENT 1 MC-UL427-00, MC-UL427M-00, MC-UL429-00
2 AXTN4+16BFY SCREW 8
3 AC43NDRZZ000 BRAKE LEVER 1 MC-UL425-00, MC-UL427-00, MC-UL427M-00, MC-UL429-
00
4 AC47NATCZ00 SPRING, BRAKE LEVER 2 MC-UL425-00, MC-UL427-00, MC-UL427M-00, MC-UL429-
00
5 AXTW4+12T SCREW 1 MC-UL425-00, MC-UL427-00, MC-UL427M-00, MC-UL429-
00
6 AC14NDRZZC0T CORD GUIDE 1 MC-UL425-00
6 AC14NDRZZP0F CORD GUIDE 1 MC-UL427-00, MC-UL429-00
6 AC14NDRZZG0U CORD GUIDE 1 MC-UL427M-00
7 AC60KDSAZ003 DUST COVER (DECO) 1 MC-UL423-00, MC-UL423T-00
7 AC60KDSAZU03 DUST COVER (DECO) 1 MC-UL425-00
7 AC60KDRZZU03 DUST COVER (DECO) 1 MC-UL427-00, MC-UL427M-00, MC-UL429-00
8 AC38KDDJZ000 EXHAUST FILTER (HEPA) SMALL 1
9 AC41KDRZZU03 FILTER COVER (DECO) 1
10 AC01EDRZZ000 ON/OFF SWITCH 1
11 AC05EDRZZM0K SWITCH PEDAL BUTTON 1
12 AC76FDRZZ000 OVERLOAD PROTECTOR 1
13 AC85GDRZZ000 BLACK LEAD WIRE UNIT 1
14 AC85GDSAZ000 BLACK LEAD WIRE UNIT 1
15 AC01CDSAZV07 WHEEL UNIT 2 MC-UL423-00, MC-UL423T-00, MC-UL425-00
15 AC99CDRZZV07 WHEEL UNIT 2 MC-UL427, MC-UL427M-00, MC-UL429-00
16 AC02CDRZZV07 WHEEL SUPPORTER 2
17 AC73BZAZ000 HANDLE SCREW 1
18 AC84PDRZZU03 HOSE UNIT 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00, MC-UL427-
00, MC-UL427M-00
18 AC84PDYWZU03 HOSE UNIT 1 MC-UL429-00
19 AC88RYUZV07 DUSTING BRUSH UNIT 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00, MC-UL427-
00, MC-UL427M-00
20 AMC62E-J20 CORD STOPPER 1 MC-UL423-00, MC-UL423T-00
21 AC97EDRZZ000 POWER CORD 1 MC-UL423-00, MC-UL423T-00
21 AC99NDMTZV07 CORD REEL ASSEMBLY (UPRIGHT) 1 MC-UL425-00, MC-UL427-00, MC-UL427M-00, MC-UL429-
00
22 AC40PJPZV07 EXTENSION WAND 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00, MC-UL427-
00, MC-UL427M-00
23 AC60RZFZN09 CREVICE TOOL LONG 1 MC-UL423-00, MC-UL423T-00
23 AC60RZFZC0T CREVICE TOOL LONG 1 MC-UL425-00
23 AC60RZFZP0F CREVICE TOOL LONG 1 MC-UL427-00
24 AC21ADSAZV07 REAR BODY 1 MC-UL423-00, MC-UL423T-00
24 AC21ADRZZV07 REAR BODY 1 MC-UL425-00, MC-UL427-00, MC-UL427M-00, MC-UL429-
00
25 AC45KDRZZU00 VALVE GROMMET 1
26 AC12ADRZZV07 BODY CAP 1
27 AC70PDRZZV07 WAND HOLDER 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00, MC-UL427-
00, MC-UL427M-00
27 AC70PDYWZV07 WAND HOLDER 1 MC-UL429-00
28 AC98ADSAZV07 UPPER BODY UNIT 1 MC-UL423-00, MC-UL423T-00
28 AC98ADRZZC0V UPPER BODY UNIT 1 MC-UL425-00
28 AC98ADRZZP0H UPPER BODY UNIT 1 MC-UL427-00
28 AC98ADRZZG0U UPPER BODY UNIT 1 MC-UL427M-00
28 AC98ADYWZP0H UPPER BODY UNIT 1 MC-UL429-00
29 AC43NDSAZC0V BRAKE LEVER 1 MC-UL425-00
29 AC43NDSAZP0H BRAKE LEVER 1 MC-UL427-00, MC-UL429-00
29 AC43NDSAZG0U BRAKE LEVER 1 MC-UL427M-00
30 AC78NZAZ000 PLASTIC HOLDER 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00
31 AC85WDRZZ000 LEAD WIRE UNIT, WHITE 1 MC-UL423-00, MC-UL423T-00
32 AMC-1CTCE23 WIRE CONNECTOR 1
33 AC98FDSAZ000 FAN UNIT 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00
33 AC98FDRZZ000 FAN UNIT 1 MC-UL427-00, MC-UL427M-00, MC-UL429-00
34 AC92FDRZZ000 FAN MOTOR UNIT 1
35 AC99GAMMZ00 NOISE SUPPRESSOR 1
36 AC02FDRZZ000 MOTOR SUPPORT RUBBER (FRONT) 1
37 AC03FAFVZ000 MOTOR SUPPORT RUBBER 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00
37 AC03FAFYZ000 MOTOR SUPPORT RUBBER 1 MC-UL427-00, MC-UL427M-00, MC-UL429-00
38 AC25SAFYZ00 FLANGE 1 MC-UL427-00, MC-UL427M-00, MC-UL429-00
39 AXTN4+10FFY SCREW 2 MC-UL427-00, MC-UL427M-00, MC-UL429-00
40 AC38KDYVZ000 EXHAUST FILTER (CARBON) 1 MC-UL427M-00
41 AC12ADYWZV07 BODY CAP 1 MC-UL429-00
42 AC88RDYWZP0F DUSTING BRUSH UNIT 1 MC-UL429-00
43 AC97QDYWZP0F CREVICE TOOL UNIT 1 MC-UL429-00
44 AC99PDKFZV07 EXTENSION WAND UNIT 1 MC-UL429-00
7
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

2.2. Nozzle Housing
2.2.1. Exploded View
8
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

2.2.2. Parts List
Ref. No. Part No. Part Name & Description Qty. Remarks
1 AC01ADSAZU03 BODY NOZZLE HOUSING (DECO) 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00
1 AC01ADRZZU03 BODY NOZZLE HOUSING (DECO) 1 MC-UL427-00, MC-UL427M-00, MC-UL429-00
2 AC10ADRZZN09 FURNITURE GUARD 1 MC-UL423-00, MC-UL423T-00
2 AC10ADRZZC0T FURNITURE GUARD 1 MC-UL425-00
2 AC10ADRZZP0F FURNITURE GUARD 1 MC-UL427-00, MC-UL429-00
2 AC10ADRZZV07 FURNITURE GUARD 1 MC-UL427M-00
3 AC58ACRYZ000 SPRING (NOZZLE) 1
4 AC84RDRZZ000 AGITATOR ASSEMBLY 1
5 AC28SDRZZ000 BELT 1
6 AC91ADRZZV07 LOWER PLATE 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00
6 AC91ADSAZV07 LOWER PLATE UNIT 1 MC-UL427-00, MC-UL427M-00, MC-UL429-00
7 AC99QCYBZV06 WHEEL UNIT 2
8 AC16CNXZ00 ROLLER SHAFT 2
9 AC43SAFVZ000 BELT COVER 1
10 AMC57A-V00 PEDAL SPRING 1
11 AXTN4+16BFY SCREW 7
12 AMC43A-2V0 FRAME ASSEMBLY COMPLETE 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00
12 AC92BAMAZ000 BELT SHIFTER ASSY 1 MC-UL427-00, MC-UL427M, MC-UL429-00
13 AC42AAFYZP0F FOOT PEDAL COVER 1 MC-UL427-00, MC-UL429-00
13 AC42AAFY1V07 FOOT PEDAL COVER 1 MC-UL427M-00
2.3. Handle Assembly
2.3.1. Exploded View
2.3.2. Parts List
Ref. No. Part No. Part Name & Description Qty. Remarks
1 AC95BDSAZN09 HANDLE UNIT 1 MC-UL423-00
1 AC95BDXPZN09 HANDLE UNIT 1 MC-UL423T-00
1 AC95BDRZZC0V HANDLE UNIT 1 MC-UL425-00
1 AC95BDRZZP0H HANDLE UNIT 1 MC-UL427-00, MC-UL429-00
1 AC95BDRZZG0U HANDLE UNIT 1 MC-UL427M-00
2 AC64BDRZZC0V HANDLE 1 MC-UL423-00
2 AC64BDSAZV07 HANDLE 1 MC-UL423T-00
2 AC64BDRZZV07 HANDLE 1 MC-UL425-00, MC-UL427-00, MC-UL427M-00, MC-UL429-00
3 AC50BDRZZN09 HANDLE GRIP 1 MC-UL423-00, MC-UL423T-00
3 AC50BDRZZC0V HANDLE GRIP 1 MC-UL425-00
3 AC50BDRZZP0H HANDLE GRIP 1 MC-UL427-00, MC-UL429-00
3 AC50BDRZZG0U HANDLE GRIP 1 MC-UL427M-00
4 AC53PDTGZV07 HOSE HOOK / HOSE HANGER 1
5 AXTN4+16BFY SCREW 2
6 AC73BAMAZ000 HANDLE SCREW 1
7 AC53EZAZV07 CORD HOOK 1 MC-UL423-00, MC-UL423T-00
8 AC32RDRZZV07 ATTACHMENT HOLDER 1 MC-UL423T-00, MC-UL425-00, MC-UL427-00, MC-UL427M-
00, MC-UL429-00
9 AC80SCRZZV0N TURBINE UNIT 1 MC-UL423T-00, MC-UL425-00, MC-UL427-00,
MC-UL427M-00
10 AC98QDYVZV07 BRUSH COVER UNIT 1 MC-UL427M-00
11 AC99RDSCZV07 PET TOOL 1 MC-UL429-00
9
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

2.4. Dust Bin Assembly
2.4.1. Exploded View
10
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

2.4.2. Parts List
Ref. No. Part No. Part Name & Description Qty. Remarks
1 AC14BDRZZN09 HANDLE LID 1 MC-UL423-00, MC-UL423T-00
1 AC14BDRZZC0V HANDLE LID 1 MC-UL425-00
1 AC14BDRZZP0H HANDLE LID 1 MC-UL427-00, MC-UL429-00
1 AC14BDRZZG0U HANDLE LID 1 MC-UL427M-00
2 AC64NDMTZM0L PRESS BUTTON 1
3 AC18DBRMZ000 SPRING (BUTTON RELEASE) 1
4 AC45KDSAZU00 VALVE GROMMET 1
5 AC20HDRZZN09 LID (DECO) 1 MC-UL423-00, MC-UL423T-00
5 AC20HDRZZC0V LID (DECO) 1 MC-UL425-00
5 AC20HDRZZP0H LID (DECO) 1 MC-UL427-00, MC-UL429-00
5 AC20HDRZZG0U LID (DECO) 1 MC-UL427M-00
6 AXTN4+16BFY SCREW 9
7 AC44KDMTZ000 FILTER 1
8 AC75KDRZZN09 DUST BOX TERMINAL 1 MC-UL423-00, MC-UL423T-00
8 AC75KDRZZC0V DUST BOX TERMINAL 1 MC-UL425-00
8 AC75KDRZZP0H DUST BOX TERMINAL 1 MC-UL427-00, MC-UL429-00
8 AC75KDRZZG0U DUST BOX TERMINAL 1 MC-UL427M-00
9 AC39LDRZZN09 AIR GUIDE 1 MC-UL423-00, MC-UL423T-00
9 AC39LDRZZC0T AIR GUIDE 1 MC-UL425-00
9 AC39LDRZZP0F AIR GUIDE 1 MC-UL427-00, MC-UL429-00
9 AC39LDRZZG0U AIR GUIDE 1 MC-UL427M-00
10 AC03LDRZZU00 GASKET A 1
11 AC97LDMTZU00 PARTITION ASSEMBLY 1
12 AC36KDRZZ000 SUPPORTER UNIT 1 MC-UL423-00, MC-UL423T-00, MC-UL427-00, MC-UL429-
00
12 AC36KDMUZ000 SUPPORTER UNIT 1 MC-UL425-00, MC-UL427M-00
13 AC43KDRZZN0A PRE-FILTER 1MC-UL423-00, MC-UL423T-00
13 AC43KDRZZC0U PRE-FILTER 1MC-UL425-00
13 AC43KDRZZP0G PRE-FILTER 1MC-UL427-00, MC-UL429-00
13 AC43KDRZZG0U PRE-FILTER 1MC-UL427M-00
14 AC42KDSBZU00 FILTER CASE (DECO) 1 MC-UL423-00, MC-UL423T-00
14 AC42KDSAZU00 FILTER CASE (DECO) 1 MC-UL425-00
14 AC42KDRZZU00 FILTER CASE (DECO) 1 MC-UL427-00, MC-UL427M-00, MC-UL429-00
15 AC73KDRZZU00 DUST BOX PACKING 1
16 AC25KDRZZ000 DUST BOX PLATE 1
17 AC85KDSBZN09 DUST BOX UNIT 1 MC-UL423-00, MC-UL423T-00
17 AC85KDSAZC0V DUST BOX UNIT 1 MC-UL425-00
17 AC85KDRZZP0H DUST BOX UNIT 1 MC-UL427-00, MC-UL429-00
17 AC85KDRZZG0U DUST BOX UNIT 1 MC-UL427M-00
11
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

2.5. Packing Materials
2.5.1. Exploded View
2.5.2. Parts List (Packing Material)
Ref. No Part No. Part Name & Description Qty Remarks
1 AC61ZDSBZU00 INDIVIDUAL CARTON 1 MC-UL423-00, MC-UL423T-00
1 AC61ZDSAZU00 INDIVIDUAL CARTON 1 MC-UL425-00
1 AC61ZDRZZU00 INDIVIDUAL CARTON 1 MC-UL427-00
1 AC61ZDYVZU00 INDIVIDUAL CARTON 1 MC-UL427M-00
1 AC61ZDYWZU00 INDIVIDUAL CARTON 1 MC-UL429-00
2 AC01ZDRZZ000 OPERATING INSTRUCTIONS 1 MC-UL423-00, MC-UL423T-00, MC-UL425-00, MC-UL427-00, MC-
UL427M-00
2 AC01ZDYWZ000 OPERATING INSTRUCTIONS 1 MC-UL429-00
12
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

3.1. Lower Plate
3.1.1. Removal
1. Turn off and unplug vacuum cleaner.
2. Lay vacuum cleaner with bottom facing upwards and nozzle
flat
3. Remove nozzle hose from body by (1) pressing in locking
tab and (2) sliding up and out of retaining slot.
4. Remove four (4) screws from the nozzle cover.
5. Place the vacuum cleaner in the upright position standing
on the handle. This will minimize wheel interference when
removing the lower plate.
6. Remove the lower plate by rotating upward as shown. Use
caution as motor shaft may be hot.
3.1.2. Installation
1. Place the vacuum cleaner in the upright position standing
on the handle. This will minimize wheel interference when
removing the lower plate.
2. Reinstall lower plate by (1) aligning tabs with the slots in the
nozzle and (2) rotating the lower plate to installed position.
3. Lay vacuum cleaner with bottom facing upwards and nozzle
flat.
4. Reinstall four (4) screws into lower plate.
5. Route the nozzle hose bracket wi the retaining bracket on
body and slide down until it clicks in place.
6. Return the vacuum cleaner to the upright position before
plugging into an electrical outlet.
3 SERVICE PROCEDURES
13
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

3.2. Agitator
3.2.1. Removal
1. Remove lower plate (See Lower Plate - Removal).
2. Lay vacuum cleaner with bottom facing upwards and nozzle
flat
3. Remove agitator carefully lifting out.
3.2.2. Installation
1. Loop new belt around motor shaft and agitator belt groove.
2. MC-UL427 ONLY -- Belt must be looped around motor
shaft, not carpet/bare floor selector shaft. See illustration for
correct belt routing. NOTE: Shifter must be in carpet
position when installing the belt.
3. Reinstall agitator in to by placing end caps in grooves.
4. After reinstalling, turn agitator by hand to make sure belt is
not twisted or pinch and that all rotating parts turn freely.
5. Replace lower plate (See Lower Plate - Installation).
NOTE: For general servicing, it is necessary to eliminate
pinching of any wire during reassembly. After servicing
any electrical component or electrical enclosure, the unit
should be reassembled and checked for dielectric
breakdown or current leakage.
3.3. Motor
3.3.1. Removal
1. Remove nozzle hose from body by (1) pressing in locking
tab and (2) sliding up and out of retaining slot.
2. Remove two (2) screws from rear of vacuum cleaner.
3. Remove dust bin.
4. Remove three screws from front of vacuum cleaner.
5. Press inwards on the sides in area shown to release tabs
on the motor cover.
14
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

6. Lift off motor cover.
7. Remove lower plate (See Lower Plate - Removal).
8. Remove agitator (See Agitator - Removal).
9. Remove nozzle by (1) raising non-belt side and (2) sliding
nozzle off the motor shaft.
10. Lift out motor assembly, plastic holder (MC-UL423, MC-
UL423T, & MC-UL425),and noise suppressor.
11. Disconnect lead wires from motor.
12. Remove noise suppressor.
13. Remove motor support rubbers.
14. (MC-UL427-00 only) Remove two (2) screws and motor
flange. Lay aside.
15. Discard motor if defective.
3.3.2. Installation
1. Reconnect motor lead wires (refer to wiring diagram if
necessary).
2. Reinstall motor support rubbers, motor flange (MC-UL427
only) and noise suppressor.
3. Reinstall motor assembly into vacuum cleaner with thermal
protector facing down.
4. Route all wiring in accordance with wire management
drawing.
5. Reinstall plastic holder (MC-UL423, MC-UL423, & MC-
UL425).
6. Avoid pinching of the noise suppressor by installing with
overlap beneath motor and tuck excess material.
7. Reinstall nozzle and nozzle spring.
8. Reinstall motor cover. Make sure no wires are pinched and
the tabs snap into place.
9. Reinstall three (3) screws in the front of the vacuum cleaner
10. Turn vacuum cleaner over and reinstall two (2) screws into
back of vacuum cleaner.
11. Reinstall agitator and lower plate.
12. Reinstall nozzle hose into vacuum cleaner body.
15
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

3.4. Cord Reel (MC-UL427 & MC-
UL425)
3.4.1. Removal
1. Remove motor cover (See Motor - Removal).
2. Cut black and white cord reel lead wires close to cord reel.
3. Lift out cord reel.
4. Pull power cord out approximately 1 foot.
5. Press cord retainer outward from the inside.
6. Remove cord through slots in the cord retainer.
7. Disconnect cord reel leads from the power supply board.
8. Remove cord reel and discard if defective.
3.4.2. Installation
1. Route plug through hole in dust container and place in cord
retainer.
2. Snap cord retainer into dust container.
3. Install cord reel into dust container.
4. Cut terminals and strip lead wires on new cord reel
5. Strip lead wire which were cut during removal.
6. Reconnect cord reel leads (refer to wiring diagram).
7. Route all wiring in accordance with wire management
drawing.
8. Reinstall motor cover (See Motor - Installation). Make sure
no wires are pinched.
3.5. Power Cord (MC-UL423)
3.5.1. Removal
1. Remove motor cover (See Cord Reel - Removal).
2. Cut black and white power cord leads at cord jacket.
3. Remove two (2) screws and cord stopper.
4. Remove cord through hole in dust container and discard.
3.5.2. Installation
1. Insert power cord leads through hole in dust container.
2. Install cord stopper and two (2) screws. NOTE: DO NOT
reuse cord stopper.
3. Strip leads on new power cord and wires cut during
removal. Reconnect leads (refer to wiring diagram if
necessary).
4. Tuck wires to avoid pinching.
5. Reinstall motor cover (See Motor - Installation). Make sure
no wires are pinched.
16
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00

3.6. On/Off Switch
3.6.1. Removal
1. Remove lower plate (See Lower Plate - Removal).
2. Remove agitator and belt (See Agitator - Removal).
3. Remove motor cover (See Motor - Removal).
4. Remove nozzle (See Motor - Removal).
5. Remove motor assembly (See Motor - Removal).
6. Lift power distribution board out of dust container.
7. To remove button use the following steps simultaneously:
(A) Slide button inward
(B) Press rib outward
(C) Slightly depress on/off button
8. Remove spring.
9. Lift switch out of dust container.
10. Disconnect leads.
3.6.2. Installation
1. Connect leads to switch.
2. Place switch in slot with terminals towards the inside of dust
container.
3. Reinstall spring.
4. Reinstall button by:
(A) Placing bottom of button behind retaining ribs.
(B) Locate hinge tab in slot.
5. Press button into place.
6. Reinstall power distribution board in slots.
7. Reinstall motor (See Motor - Installation).
8. Reinstall nozzle (See Motor - Installation).
9. Reinstall agitator and belt (See Agitator - Installation).
10. Reinstall lower plate (See Lower Plate - Installation).
17
MC-UL423-00 / MC-UL423T-00 / MC-UL425-00 / MC-UL427-00 / MC-UL427M-00 / MC-UL429-00