Koblenz Thorne Electric Vacuum Cleaner U 40 User Manual

SERVICE MANUAL  
PARTS LIST  
UPRIGHT VACUUM  
CLEANER  
MODELS:  
U-40  
KOBLENZ ELECTRICA S. A. DE C. V.  
JUANARY-2010  
LP-U40-201001  
1
 
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
 
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
 
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
 
IV.-UPRIGHT VACUUM CLEANER EXTERNAL PARTS  
FIG. 1  
6
 
 
 
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
 
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  
 
VIII.-WIRING DIAGRAM  
11  
 
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  
JUANARY-2010  
LP-U40-201001  
KOBLENZ ELECTRICA S.A. DE C. V.  
12  
 

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