Sears 721.26082B Operating instructions

Repair services
America's repair specialists
SEARS KENMORE CANISTER
VACUUM CLEANER
MODEL: 721.26082B

FOREWORD [_oo_.,_,_°°_.]
BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS" IN
THIS MANUAL.
MODEL 721.26082B
MECHANICAL SERVICE INFORMATION
TABLE OF CONTENTS
1. SAFETY PRECAUTIONS ................................................................................ 3
2. CAUTIONS ....................................................................................................... 3
3. DESCRIPTION/SPECIFICATIONS .................................................................. 4
4. DISASSEMBLY ............................................................................................. 5-7
5. TROUBLE SHOOTING ............................................................................... 8-10
6, BLOCK DIAGRAM/SCHEMATIC DIAGRAM/CIRCUIT DIAGRAM ................ 11
7. EXPLODED VIEW/REPLACEMENT PARTS LIST ................................... 12-16

1. SAFETY PRECAUTIONS
t i i i.i i_11,1,1,_
I MODEL 721 ,,26082B I
BEFORE OPERATING THIS VACUUM CLEANER, READ THIS SERVICE MANUAL THOROUGHLY,
AND OBSERVE EACH POINT CAREFULLY.
1. Empty the dust bin or clean the washable filter
in case the indicator moves toward red.
1) If the dust bin is full, intake power will be
reduced.
2) When the dust bin is full of dust, empty the dust
bin and clean the washable filter.
2. Filter
i) The filter is composed of a moter safety filter, an
exhaust filter, a washable filter and mesh screen..
2) Never use the vacuum cleaner without filters
It may harm to the motor,
3) When the cloth bag, the moter safety filter and
the exhaust filter are soiled, wash the filter with
neutral cleanser..
Note : Re-use of the the motor safety filter,
exhaust filter and washable filten
• Never wash the filter in a washing machine or in a
dishwasher.
• Never use hot water for washing the filter.
• Re-use the filter after drying it completely in the
shade.
• Do not dry near fire or direct sun ray,
3. Dust indicator
Dust indicator shows you red color when the dust
bin is full of dust..
Then, empty the dust bin and clean the washable
filter..
4. Avoid suction such materials as:
1) Liquid or wet dust: Clogging the ventilation holes,
reduces the intake power significantly and harms
the motor..
2) Inflammable liquids such as benzene, alcohol or
sol-vents.
3) Burning objects such as cigarette butts
4) Bulky objects such as vinyl, paper, etc.
5) Sharp objects such as needles, pins, metal or
glass particles, etc.
5. Attachments
• Nozzle : for cleaning wooden floor, the room floor
and carpet,.
, Crevice Tool: for cleaning any crevice, inside
corners of window flames,However,
do not use the crevice tool more
than 20 minutes because it may
cause harm to the motor..
- Dusting brush : for cleaning clothes curtains,,
6. Close supervision is necessary when this
vacuum cleaner is used by or near children,
Children's carelessness may cause damage to
the cleaner or injure persons.
7• Air exhausted from the vacuum cleaner is
normally warm. But if extraordinarily hot air is
exhausted, check if the extension wands, hose
or dust bin is fulled or not.
8. Electric shock could occur if used outdoors or
on wet surfaces•
2. CAUTIONS
BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE VACUUM CLEANER, DISCONNECT
THE ELECTRICAL POWER SUPPLY CORD FROM THE WALL OUTLET.
1. Motor exchange
1) Separate the Body Cover and Body Base by
unfastening the screws.
2) Disconnect the lead wires.,
3) Lift the old motor and replace it with a new one°
2. In case of exchanging other parts, refer to the_ ........_,_.,,:.....
exploded view.

3. DESCRIPTION/SPECIFICATIONS
I ,, ii i1,1iii1,,,M'I'"' ,1"'
IMODEL 72! 26082B
3.2 MODEL 721.26082B
DESCRIPTION
AirFlow
TelescopicWa
/
Performance
Indicator
Latch
Hose
Cord Reel Button Power Switch
(ON/OFF)
Exhausl Cover
Power Cord
(Nol Shown)
Dusting Brush UpholsteryNozzle AccessoryHolder CreviceTool
SPECIFICATIONS
t
POWER SOURCE : ON RATING PLATE
POWER CONTROL :
MAIN: ON/OFF
CAPACITY : 1.,5L
CORD LENGTH: 17ft
HOSE LENGTH : 6ft
- ATTACHMENTS
HOSE ASS'Y .............................................................................................! EA
TELESCOPIC WAND .......................................................................lEA
RUG/FLOOR NOZZLE ......................................................1EA
CREVICE TOOL (ON BOARD) ...............................................1EA
DUSTING BRUSH .......................................................................1EA
UPHOLSTERY NOZZLE ....................................... 1EA
NET WEIGHT: &5 lb .... _ : /,_,,_t -¸-¸
PACKING WEIGHT: I3..5 Ib
NET DIMENSION : 10,,8x15o0x8,,7 (W x D x H) inch
PACKING DIMENSION : 13x19,5x11.4(WxDxH)inch
• This specifications are subject to change according to the buyer's request,,

4. DISASSEMBLY
..................................... i. .i..................._,
NOTE: Before attempting to service or adjust any part of the vacuum cleaner, disconnect the electrical power
supply cord from the wall outlet,
• Almost all of the parts of this vacuum cleaner can be
disassembled with a screw driver and each
connecting component easily fits each other.
Disassemble one by one referring to the exploded
view.,
• If possible, don't disassemble except for the
necessary parts. It is not necessary to disassemble
the parts that are not detailed in the exploded view
4.2 Dust Bin Replacement
t) Pull the dust bin up,
4.1 Filter Cover Assembly Replacement
1) Open filter cover by pushing cover latch_
Filter Cover
Latch
2) First, liftthe filter cover
- Push the hinge side by inserting flat screw driver
in gap between hinge and filter cover,.
Then the "filter cover" will be detached,.
2) Holdthe handle of the washable filter and pull itout of
the dust bin
Washable Filter
Catch
3) Pull the mesh screen down from
the washable filter,
Washable
Mesh

MODEL72 26002 ]
4.3 Body Cover Assembly Replacement
I) Remove the four screws fastening the body baser
2) Lift body cover inthe direction of the arrow,
4.4 P.W.B Assembly Replacement
t) Remove two screws by unfastening from P,W.B on
the body base, and then lift the P,,W,,B_
3) Strip off the lead wiresfrom the motor & cord reel.

MODEL 721 26082B
4.5 Motor Assembly Replacement.
*Lift the motor assembly in the direction of the arrow after
stripping off the lead wires.
4.6 Cord Reel Assembly Replacement
t) Must detach cord holder first,,
holder
2) Lift the cord reel assembly from the body base in the
direction of the arrow,,
7

5. TROUBLE SHOOTING
IIr)I_IIIII'11
IMODEL 72I 26082B ]
1) SWITCH ON BUT MOTOR DOES NOT RUN.
[CHECKING
Check the power source
CAUSE
The fuse is melt down
in the coverknife switch
Poor plug insertion
Power cord cut
NormaI
!
Interior Iead wire cut
Motor(stator armature) coil cut
or damaged
Poor contact carbon brush
defaced
_"I Poor switch contact point
--_D" f
SOLUTION
Exchange the fuse
Insert again
Repair or exchange
Exchange the lead wire
Exchange the motor
Exchange or repair
Exchange the switch
]
2) SWITCH ON, MOTOR DOES NOT RUN BUT BUZZES.
_-.! Motor armature cut
LExchange the motor
_-----_I Ball bearing defacement ---_{ Exchange the motor )
!'m°°''°rh'n°ranceF-< 1
(Caused by foreign matters) Remove the foreign matters

t MODEL 721 26082B ]
3) SWITCH OFF BUT MOTOR RUNS,
_ilPoorconnection
_ Poor switch
Repair
Exchange the switch
]
]
4) WEAK SUCTION POWER
---_! Carbon brush defaced ---_/ Exchange the carbon brush ]or the motor
Low rotation speed
r
--_'-'[ Motor armature cut
_r Foreign matters attached to
Lthe impeller
Exchange the motor ]
Remove the foreign matters ]
--_"I Low voltage _'( companylnquiret°thep°werutility ]
[Motor turns normally,
but suction power is weak
Hose and extension wands are
clogged with foreign matters
Filter bag or cloth bag is filled
with inhaled foreign matters
Remove the foreign matters |
in the hose or extension wands .J
Remove the foreign matters
or exchange the filter bag or
clean the cloth bag

MODEL72126082B j
5) VIBRATION NOISES
-I
Loose pads
Unbalanced motor assembly
Foreign matters are attached
to the impeller
Poor carbon brush rectification
Armature is cut or foreign
matters attached
6) RADIO, TV RECEPTION DISTURBANCE
--h I Poor cord, lead wire
--_'I Poor carbon brush rectified
__,,.I Poor electric connector
[or receiver
--h I Poor capacitor
7) IMPROPER TUBE OR NOZZLE CONNECTION
[---_'[I Bent connection parts
Poor connection
(Caused by foreign matters)
Secure firmly 1
Exchange or repair the motor 1
Remove the foreign matters 1
Exchange the carbon brush 1
or the motor J
Exchange motor 1
Remove foreign matters
1
Exchange cord, lead wire J
Exchange the carbon brush 1
or the motor J
Repair the electric connector 1
or receiver J
Exchange the capacitor 1
J
Exchangethe parts
Removetheforeign matters
and reconnect
10

6.BLOCKDIAGRAM/SCHEMATICDIAGRAM/CIRCUITDIAGRAM
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6.1 MODEL 721.26082B
BLOCK DIAGRAM
MODEL72126082B]
'' i i ,, l l,ll,yl
WH
MOTOR
TS
P.,W.B
BL _ BL
BL
cc
RE RD
UU PLUG
WH
BL:BLUE WH:WHITE
SCHEMATIC DIAGRAM
itll,l_,_,,i,,i,i,,,ii,i,_1
WH
TS
P.,W.,B ....I
SN_,/
BL C_O BL
BL
oo,_oti__o:_
REEL
ASM
WH PLUG
BL:BLUE WH:WHITE
PRINTED CIRCUIT DIAGRAM
SAN TIS
c1
J 250V
1t

7.EXPLODEDVIEW/REPLACEMENTPARTSLIST
............................................... _,,, _ i,lll, ill,llll,ll,i
IMODEL 721.,26082B }
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7.1 MODEL 721.26082B
: ...... ==m
t2

tMODEL 721 26082B ]
COVER ASSEMBLY, BODY
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13

IMOOEL721200_2B1
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REPLACEMENT PARTS LiST
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IMODEL 721 26082B t
LOCATIONNO PART NO., DESCRIPTION
A001 3920FI3766A MOTOR MOUNT PACKING
A002 4681H2473A MOTOR ZHONGXIN
-- A003 ] 3920FN653B ..................................SEAL PACKING
A004 4123008B ABSORBING PACKING
B001 3920FI4718W DUST SEAL PACKING
B002 4838FI1430A DUST BIN
B003 4980FI1447B MESH SCREEN
B004 32IOFII02I A WASHABLE FILTER
......... q ............................
B005 4510FI3641B CATCH
B006 5203FI3766A BRUSH
B007 3040FI1523D BODY BASE
B008 5230FI3770B MOTOR SAFETY FILTER
REMARKS
PA120-14
SHADOW GRAY
B009 4980FI3805B SUPPORTER SHADOW GRAY
B010 4441FI3605Y CASTER ASS'Y SHADOW GRAY
B0t I 4660FI2428D WHEEL SHADOW GRAY
B012 3t2100_ CREVICE TOOL SHADOW GRAY
B0t3 4930FI3823D CORD HOLDER SHADOW GRAY
B014 6871FX2168G PWB ASS'Y ON/OFF TYPE
B015 4687FI3002A COR D REEL ASS'Y
C00t 3550F!!754Q FILTER COVER
C002 4026Ft3689P LATCH
0003 4970FI4570A LATCH SPRING
C004 4350FI3778L CONNECTOR RING
C005 3920FI3734A FILTER PACKING
C006 3521FI3703R INDICATOR ASSAY
C007 3550FI1753E BODY COVER SHADOW GRAY
C008 6601FI31490 SWITCH
....C0(J9 5o20Fi2359F ..............................CORD REEL BUTT0'N ........................ SHADOW GRAY .......
0010 5020FI2358F .......... ,................CONTROL BU]-FON SHADOW GRAY
C011 ......... 4170024A CORD REEL BUTTON SPRING
C012 4170024A CONTROL BUTTON SPRING
C'0'i3 3550FI4674A ................... HOLE COVER ....... SHADOW GRAY
C014 3550FI2596D EXHAUST FILTER COVER SHADOW GRAY
C015 5230FI3783A EXHAUST FILTER
C016 MBG30132403 CORD REEL BUTTON SHADOW G RAY
C017 4510FI2445A LEVER CORD WINDING
C0t8 4970FI4482S CORD REEL BUTTON SPRING
• " D00I' 5215FI1306P HOSE ASS'Y SHADOW GRAY-
D002 5249FI2449R ...................................RUG/FLOOR NOZZLE I SHADOW GRAY .....
DO03..... 5063FI2350 0 .......................TELECOPIC WAND SHADOW GRAy
D004 5202FI3474B DUSTING BRUSH SHADOW GRAY
................................................ [ ......................................
D005 5248FI22590 UPHOLSTERY NOZZLE SHADOW GRAY
D006 4930FI2457B ACCESSORY HOLDER SHADOW GRAY
15

P/No_: 3828FI5888M