SERVICE MANUAL
PARTS LIST
UPRIGHT VACUUM
CLEANER
MODELS:
U-40
KOBLENZ ELECTRICA S. A. DE C. V.
E-mail: [email protected]
JUANARY-2010
LP-U40-201001
1
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I.-FINAL TEST FOR PRODUCT SAFETY
After repairs the product should be tested on its electrical function and electric strength as follows.
1.-ELECTRIC TEST
1. Set hi-pot test meter at 1500 Volts
2. Place the handles tube to “ON” position
3. Touch one probe of tester to one blade of power cord plug and touch other probe to handle tube,
there should be no breakdown.
2.-OPERATING TEST
Run the machine with the height adjustment knob on high and check:
1. There should be no unusual noise or vibration.
2. The carbon brushes spark should be small and uniform.
3. The current should not exceed 9.0 Amps. and 7.0 Amps
II. REPLACEMENT PROCEDURES
1.-TO REMOVE BAG (8), FIG. 1
1.1.-Release spring, from handle, slide off coupling unit.
2.-TO REMOVE HANDLE TUBE (2, 9) FIG.1 y FIG.2
2.1.-Disengage line cord from hook (5) pulling cord outward from retainer bottom
2.2.-Remove screws and nuts (15 and 7) on handle socket (24) and pull tube out.
3.-TO REPLACE BELT (25), FIG.2
3.1.-To avoid damage on the cover place the upright upward wheels in a soft surface.
3.2.-Remove retaining bar (22) by pressing down on right side (Longest), remove brush rollers cover (23)
and assembly turbine cover (43).
3.3.-Stretch and twist belt over motor pulley to pull it out. (if not broken)
3.4.-Remove complete brush roller (21) with bearing supports (21B and 21E) pulling it out near the bear-
ings.
3.5.- Place new belt on roller, replace roller on chassis making sure the mark "top" on bearings support
faces towards the brush roller cover and reassemble.
4.-TO REPLACE BRUSH ROLL ( 21 ) OR BEARING SUPPORTS FIG. 2.
4.1.-Follow steps 3.1 to 3.4.
4.2.-Remove bearing support (21-B), pulling away from them brush roller (old or new).
4.3.-Place bearing supports on new brush roll, place belt over roll and replace to on chassis following steps
3.5.
5.-TO REPLACE REAR WHEELS (5), FIG.2
5.1.-Remove cover (step 7)
5.2.-Pull security (6) from axle (41) and axle assembly take out.
5.3.-The wheels new replace on the axle.
5.4.-Replace Cover
6.-TO REPLACE FRONT WHEELS (14-I), FIG. 3, 4
6.1.-Remove cover (step 7)
6.2.-Remove screws (7) from axle supports (13) and axle assembly take out.
6.3.-Remove axle with wheels
6.4.-The wheels new replace on the axle.
6.5.-Axle assembly replace on chassis.
6.6.-Replace Cover
3
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7.-TO REMOVE THE COVER (2), FIG. 1 AND FIG.2
7.1.-Remove the bag (8) (Fig. 1)
7.2.-Depress handle release pedal (39) and put on horizontal position the handle tube
7.3.-Remove the screw (14) and adjustment knob (1) (Fig.2)
7.4.-To avoid damage on the cover place the upright upward wheels in a soft surface, remove the insur-
ance
8.-TO REPLACE MOTOR (51), FIG 2.
8.1.-Remove belts follow steps 3.1 to 3.3.
8.2.-Remove cover (step 7).
8.3.-Remove four screws (4) holding the motor and disconnect it.
8.4.-Replace the motor (51)
.
9.-TO REPLACE HEIGHT ADJUSTMENT CAM (I5), FIG.2
9.1.-Depress handle release pedal (39) and put on horizontal position the handle tube..
9.2.-Remove the screw (14) and the adjustment knob (1)
9.3.-Remove the spring and screw (44), to remove the retain cam plate.
10.-TO REPLACE HANDLE RELEASE PEDAL (39) FIG. 2
10.1.-Remove cover (step 7)
10.2.-Remove spring (40) from chassis
10.3.-Pull pedal towards spring side and remove
11.-TO REPLACE YOKE ASSEMBLY (24), FIG.2
11.1.-Remove cover (step 7)
11.2.-Remove handle release pedal (step 10)
11.3.-Remove the bolt yoke (31), along with the security locks (20)
12.-TO REPLACE THE CABLE ASSEMBLY (25), FIG. 2
12.1.-Remove cover (step 7)
12.2.-Remove Heyco strain relief (26) from chassis with Heyco
12.3.-Reassemble with the Hey co pliers making sure to locate the strain relief as it was before.
13.-TO REPLACE THE ON - OFF SWITCH (48), FIG. 2
13.1.-Remove cover (step 7)
13.2.-Disconnect the electrical terminal from the switch.
13.3.-Press the side tabs on the switch and pull it out.
13.4.-Press the new switch on the opening until the tabs snaps and reconnects the terminal.
14.-TO REPLACE THE SWITCH ACTUATOR (50), FIG.2
14.1.-Remove cover (step 7)
14.2.-Of the actuator assembly remove the yoke (24).
14.3.-Replace the new actuator and assembly.
15.-MOTOR SERVICING,
The only possible motor repairs are: Replace carbon brushes, replace armature, replace field.
Never try to repair the field or armature, if defective, replace with a new one.
WHEN ORDERING, DO NOT FORGET TO SPECIFY:
ꢀ PART NUMBER
ꢀ DESCRIPTION
ꢀ MODEL NUMBER
4
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NOTE: Drawing numbers are for identification purposes only.
III.-TROUBLE SHOOTING CHART.
PROBLEM
POSSIBLE CAUSE
1.- Not firmly plugged in.
2.- Bad ON-OFF switch.
3.- Line cord open
SOLUTION
1.- Check attachment plug.
2.- Replace switch.
A) Motor does not
work
3.- Replace cord.
4.- Motor open
5.- Fan blockage by material
1.- Belt broken.
2.- Blockage air system.
3.- Fan broken.
4.- Check motor and wiring.
5.- Remove obstruction
1.- Replace belt.
2.- Remove obstruction.
3.- Replace fan.
B) Motor works but
cleaner does not
aspire
4.- Worn brush roller.
5.- Motor slow.
6.- Bag full.
4.- Replace brush roller.
5.- Check carbon brushes.
6.- Empty bag (or change paper bag).
1.- Replace brushes.
2.- Check spark, replace
3.- Check wiring.
1.- Worn carbon brushes.
2.- Detective armature.
3.- Bad electrical connection.
4.- Detective On-Off switch.
1.- Ball bearing worn out..
C) Motor works er-
ratically
4.- Replace switch.
1.- Replace
D) Brush roll vi-
brates.
2.- Ball bearing holder damaged 2.- Replace ball bearing holder.
1.- Check wiring.
2.- Replace bulb.
1.- Bad connections.
2.- Light bulb burned out.
E) Head light does
not run on
5
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IV.-UPRIGHT VACUUM CLEANER EXTERNAL PARTS
FIG. 1
6
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VII.-PARTS LIST UPRIGHT VACUUM CLEANER
ITEM
1
No PART
13-3147-9
13-2949-01-7
12-0936-0
01-15006
QTY
1
1
1
4
2
2
6
2
3
1
2
3
1
1
1
1
1
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
3
5
1
1
2
1
1
1
2
1
1
1
1
1
1
1
DESCRIPTION
KNOB CAM
2
PLASTIC COVER UPRIGHT U-40
BAFFLE
SCREW B 10-16X3/4
3
4
5
13-3144-6
04-0671-0
01-1499-1
01-0664-1
04-0589-4
24-0308-7
13-3143-8
05-4489-0
REAR WHEEL
6
BLIND SECURITYTYPE HAT
SCREW HEXNo 10-16X5/8
SCREW 10X5/8
FLAT WASHER 5/16x1/2
FRONT AXLE SPRING
FRONT WHEEL
7
8
9
10
11
12
RETENPLATE SHAFT
13 25-1349-02-3
FRONT AXLE GALVANIZED
SCREW TYPE BT No 6
CAMASSEMBLY
14
15
01-1651-7
46-3206-3
05-4722-4
25-1345-5
01-0093-3
05-4721-6
15-A
15-B
16
CAMUPRIGHT
BOLT FOR CAM
SCREW No 6 X5/8 TYPE BC/PHILLIPS
RETENCAMPLATE
PLASTIC CHASSIU-40
17
18 13-2883-01-8
19
20
12-0952-7
04-0469-9
46-2375-7
12-0522-8
13-1801-3
37-0130-7
45-0299-3
13-1252-9
25-0997-4
46-3207-1
46-3433-3
UPRIGHT FOR PLASTIC MOLDING
SECURITYPADLOCK PO-25
BRUSHROLL ASSEMBLY
PACKINGFOR CARRIER BEARING
CARRIER BEARINGLEFT
FELT FOR CARRIER BEARING
ROLLER ASSEMBLYSOWS
CARRIER BEARING11/16
RETENROD ROLLER COVER
ROLLER ASSEMBLYCOVER TILT
SWITCH-ACTUATOR YOKE ASSEMBLY
CABLE ASSEMBLYLINE U-40
GROMET HEYCO 1232
NUT HEX. No 10-24
21
21-A
21-B
21-C
21-D
21-E
22
23
24
25 28-1644-01-3
26
27
28
12-0953-5
02-0041-0
04-0271-9
STAR WASHER No 10X204
CHROME YOKE
SUPPORT YOKE BUSHINGASSEMBLY
YOKE BUSHING
SUPPORT YOKE
29 05-4734-02-5
30
30-A
30-B
31
46-3260-0
13-3148-7
05-4725-7
25-1346-3
PINFOR YOKE
PACKINGSEAL MOTOR BASE
SCREW DE 8x3/4
32 12-0495-01-5
33
34
35
36
37
38
01-0285-5
13-2126-4
26-0001-3
24-0014-1
04-0026-7
13-2127-2
KNOB FOR EXCHANGE COUPLINGS
FORK BULLETS LOCA
KNOB SPRINGFOR SWEEPER
FLAT WASHER (02-0101)
COUPLINGS RETENBAG
PEDAL HANDLE GALVANIZED
PEDAL SPRINGHANDLE UPRIGHT
39 05-4724-02-6
40 24-0316-0
9
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ITEM
41
No PART
25-1322-4
05-4993-1
46-3208-9
13-3145-3
12-0834-7
01-0270-7
01-1683-0
05-0997-6
10-0137-9
11-0159-1
12-0814-01-7
13-3273-3
46-3383-0
28-1664-3
09-1319-4
30-0197-1
QTY
1
DESCRIPTION
REAR WHEEL AXLE
42
1
ANGLE FOR SOIL
43
2
TURBINE COVER WITH SEAL ASSEMBLY
TURBINE COVER
43-A
43-B
44
1
1
TURBINE SEAL COVER GASKET
SCREW 6X3
2
45
1
SCREW TYPE T 8-32
46
1
MOTOR SPACER
STAPLE INSULATED CONNECTOR
ROCKER SWICTH
47
1
48
1
49
1
BELT 210 X 13 7 / 16 83 A
ACTUATOR SWITCH
MOTOR UPRIGTH 5A
50
1
51
1
52
1
CABLE ASSEMBLY GROUND
CABLE GREEN EARTH
CONNECTION TERMINAL A
52-A
52-B
2
3
10
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VIII.-WIRING DIAGRAM
11
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FACTORY AUTHORIZED SERVICE
Thorne Electric Company
610 Lanark Suite 205
San Antonio TX, 78218
Tel. (210) 590-1226
Fax (210)590-1258
1-800-548-5741
FACTORY
KOBLENZ ELECTRICA S.A. DE C. V.
Av. Ciencia N.28
Cuautitlán Izcalli
Estado de México C. P. 54730
Web site : http://www.koblenz.com.mx
JUANARY-2010
LP-U40-201001
KOBLENZ ELECTRICA S.A. DE C. V.
12
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