Koblenz B-1500-C Troubleshooting guide

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BURNISHER
MODELS:
B-1500-C
KOBLENZ ELECTRICA S.A. DE C.V.
E-mail: [e-mail]
September-09
LP-BUR-200909
1/12 September/2009
SERVICE MANUAL
PARTS LIST
SERVICE
317 N. Main Street!
Piqua, Ohio 45356!
937-778-2275!
www.procarejanitorsupply.com

INDEX
PAGE
I.- FINAL TEST PRODUCT SAFETY 3
II.- REPLACEMENT PROCEDURES ASSEMBLY 3
III.- TROUBLE SHOOTING CHART 6
IV.- ELECTRICAL RATING 7
V.- WIRING DIAGRAM 7
VI.- PARTS LIST 8
VII.- ASSEMBLY 11
2/12 September/2009

I. FINAL TEST FOR PRODUCT SAFETY
AT THE COMPLETION OF ANY REPAIR THE PRODUCT SHOULD BE ELECTRICALLY TESTED FOR
OPERATING AND ELECTRIC TEST AS FOLLOWS
ELECTRIC TEST
A). - Set hi-pot meter at 1500 V
B): -Place Switch Lock to on position.
c). -Touch one probes of tester to on blade of power cord plug and touch other probe to handle
tube. There should be no breakdown.
OPERATING TEST
RUN THE MACHINE ON HARD SURFACE WITH BRUSH OR PAD AND MAKE SURE:
A). - THERE IS NO UNUSUAL NOISE OR VIBRATION
B). - THE MOTOR STARTS FAST AND WITHOUT NOISE
C). - THE CURRENT DRAW IS LESS THAN 15 AMP.
II. - REPLACEMENT PROCEDURES ASSEMBLY
1. - INDUCTION MOTOR ASSEMBLY REPLACEMENT (8)
1.1.-Disconnect the line cord (3) from the motor line cord (97)
1.2. - Place the burnisher in face down position. Unscrew the center driver (45)
counterclockwise the three screws (44) as well as the base fix (43)
1.3.-Remove the six screws ( 43 ) the flex base ( 42 ) the five screws ( 41 ) five washers ( 40 )
and the plate ( 61 )
1.4.-Loosen the four screws (32) pull the motor from the pulley disc (29-D) remove the belt
1.5.-Remove the Allen screw (34) the motor pulley (35) as well as the locking pin (33) place the
burnisher in vertical position and remove the handle tube assembly.
1.6.-Remove the three screws ( 14 ) lift the motor cover ( 4 ) remove the connection box from
the motor, and disconnect the three terminals of the motor line cord assembly ( 3 ) and remove
the motor cover ( 4 ).
1.7.-Remove the bumper of the motor cover ( 6 ) the four screws ( 11 ), the two capacitor
covers ( 12 ), the two capacitor insulators ( 10 ), disconnect the two capacitors ( 9 and 15 )
1.8.-Place the burnisher in face down, remove the four screws (32) the washer (31) as well as
the four washers (30)
1.9.-Remove the motor (8)
1.10.-Replace the motor assembly (8) and reassemble
NOTE: When replacing the motor, make sure the replacement part the same features. It's
also important that both should be connected as initially placed in order to avoid
damages in the motor and alignment from pulleys.
3/12 September/2009

2.- BELT REPLACEMENT (36)
2.1. - Follow steps indicated on point 1.2, 1.3 and 1.4
2.2. - Replace belt (36) and reassemble make sure that the pulleys aligned
3. - PULLEY AXLE REPLACEMENT (26)
3.1. - Follow steps 1.2, 1.3, and 1.4
3.2. - Remove the nylon nut (39) the split lock washer(38) and flat washer (37)
3.3.- Remove the pulley flex disc (29-D) which is assembled with two bearings (29-B) the
spacer (29-C) and the clamp (29-A)
3.4. - Remove the four nuts (28) the split lock washer (27) remove the pulley axle and
reassemble it nuts.
NOTE: Pulley axle (26) and chassis (25) bolt holes can be assembled one way only, therefore if
the bolt holes are not aligned when attaching the pulley axle to the chassis, rotate the pulley axle
until the holes are aligned and allow the four screws (24) to pass freely
4.-BEARING REPLACEMENT (29-B)
4.1. - Follow steps 1.2, 1.3 and 1.4
4.2. - Follow steps 3.2, and 3.3
4.3. - Remove the clamp (29-A) the two bearings (29-B) as well as the bearing separator.
4.4. - Replace the two bearings, and reassemble.
5.-STARTING LEVER REPLACEMENTS (93)
5.1. - Remove the two screw (82) and two washers (81)
5.2. - Remove the screw (73A) and secure button (73-B).
5.3. - Remove the switch box cover (75)
5.4. - Remove the two screws(80) and two springs (92)
5.5. - Replace the ON-OFF handle, and reassemble it.
6. - MICRO SWITCH STARTING LEVER REPLACEMENT (85)
6.1. - Follow Steps 5.1, 5.2 and 5.3
6.2. - Disconnect the micro switch
6.3. - Remove the two screws (86) and two washers (87)
6.4. - Remove and replace the micro switch and switch insulator (79) as originally assembled.
7. - ASSEMBLY SECURITY BUTTON REPLACEMENT (73B)
7.1. - Follow steps 5,1, 5,2 and 5,3.
7.2. - Remove the secure assembly and replace the component damaged,and reassemble it.
8. - LINE CORD REPLACEMENT (91)
8.1. - Follow steps 5.1, 5.2 and 5.3
8.2. - Disconnect the terminal ( green ) from the micro switch (85) and the cable switch
assembly (70) connected to the thermal protector (77)
8.3. - With a Heyco wrench, remove the grommet (90) and washer (94) remove the motor lead
assembly (91) as well as the grommet line tube (96)
8.4. - Replace the motor lead by inserting the handle assembly (88) upwards and previously
placing the grommet tube (96)
8.5. - Place the washer (94) as well as the grommet (90) at the same distance as the prior lead,
connect and reassemble as initially placed.
4/12 September/2009

9. - LINE CORD REPLACEMENT (105)
9.1.-Follow steps 5.1, 5.2 and 5.3.
9.2. - Disconnect ground (green) as well as connection micro switch (85) and the connect to
thermal protector (77)
9.3.-Remove the nut from the effort relief assembly (103)
9.4. - Replace line cord, connect and reassemble as initially placed
10. -PLATE ASSEMBLY REPLACEMENT (61)
10.1. - Follow steps indicated on point 1.2, 1.3 and 1.4
10.2. - Replace the plate assembly and reassemble
11. - EARRING BRUSH ASSEMBLY REPLACEMENT(67)
11.1. - Follow steps indicated on point 1.2, 1.3 and 1.4.
11.2. -Remove the lock up (66) in order to remove the earring / brush assembly
11.3. - Replace earring/ brush and reassemble as initially placed
12. –STAMP BURNISHER V.P.(68)
12.1: - Follow steps indicated on point 1.2, 1.3, 1.4 and 11.2
12.2. -Remove the earring gasket damaged and stick on the new one .
12.3. – Reassemble as initially placed.
WHEN ORDERING, DO NOT FORGET TO SPECIFY:
!PART NUMBER
!DESCRIPTION
!MODEL NUMBER
NOTE: Drawing numbers are for identification purposes only.
5/12 September/2009

III. - TROUBLE SHOOTING CHART
1. MOTOR DOES NOT START
POSSIBLE CAUSE SOLUTION
NOT PLUGGED IN PROPERLY CHECK CONNECTION
LINE CORD DAMAGED REPLACE
MICRO SWITCH DAMAGED REPLACE MICRO SWITCH
CIRCUIT BREAKER OFF RESET BREAKER
CAPACITOR DAMAGED REPLACE CAPACITOR
MOTOR LINE CORD DAMAGED REPLACE MOTOR LINE CORD
MOTOR ASSEMBLY DAMAGED REPLACE MOTOR ASSEMBLY
PISTON AND SPRING DAMAGED REPLACE
2.-MOTOR WORKS BADLY
POSSIBLE CAUSE SOLUTION
LOW VOLTAGE CHECK VOLTAGE ( LINE )
CAPACITOR DAMAGED REPLACE CAPACITOR
IMPROPER MOTOR CONNECTIONS CHECK CONNECTION
3. - MOTOR STARTS, DOES NOT RUN DRIVER
POSSIBLE CAUSE SOLUTION
BELT DAMAGED REPLACE BELT
MOTOR PULLEY DAMAGED REPLACE MOTOR PULLEY
PULLEY AXLE DAMAGED REPLACE PULLEY AXLE
4.- MOTOR NOISY
POSSIBLE CAUSE SOLUTION
BEARING DAMAGED REPLACE BEARING
5. - THE DUSH CONTROL SYSTEM DOES NOT WORK
POSSIBLE CAUSE SOLUTION
CONICAL SPRING DAMAGED REPLACE CONICAL SPRING
BRISTLE BRUSH DAMAGED REPLACE BRUSH EARRING
FILTER BAG DAMAGED OR SATURATED POWDER CLEAN BAG FILTER OR REPLACE
6/12 September/2009

IV. ELECTRICAL RATING /
120 V ~ 60 Hz 15 A
V.-WIRING DIAGRAM
7/12 September/2009

VI. -PARTS LIST
ITEM PART No. DESCRIPTION QTY
1 17-3036-5 Motor Cover Label 1
2 12-0414-8 Grommet Heyco 0.062 1
3 28-0671-9 Motor Cable / Contact Assembly 1
4 05-3765-4 Motor Cover 1
5 17-3025-8 Koblenz Label 1
6 12-0692-9 Motor Cover 2
7 01-1683-0 Screw 8-32 x ¼1
8 00-1736-8 Induction Motor 1
9 15-0675-7 Capacitor 40 MFD 1
10 08-0979-8 Insulator Capacitor 2
11 01-1093-2 Screw 8x3/8 4
12 05-3567-4 Cover Capacitor 2
13 02-0071-7 Speed Nut 3
14 01-0068-5 Screw No 8 x 3/8 " 3
15 15-0013-1 Capacitor 590-708 mfd 1
16 12-0024-5 Grommet 2
17 23-0615-7 Motor Cover Assembly 1
18 01-1704-4 Screw Hex 1/2-13x21/2 4
19 03-0119-2 U rivet 2
20 17-3550-5 "Precaution " Plate 1
21 45-0396-7 Wheel Assembly 4
22 04-0074-7 Flat Washer ½4
23 02-0134-3 Nylon Nut 3/8-16 2
24 01-1745-7 Step Screw 5/16-18 x 1 4
25 06-0799-4 Chassis 1
26 06-0757-2 Pulley Axle 1
27 04-0144-8 Split Lock 5/16 " 4
28 02-0011-3 Hex Nut 5-16-18 4
29 46-3614-8 Disc Pulley Assembly 1
29-A 04-0521-7 Locking Pin 1
29-B 26-0187-0 Bearing 6204 2
29-C 04-0522-5 Spacer 1
29-D 06-0758-0 Disc Pulley 1
30 04-0366-7 Washer 3/8 4
31 04-0142-2 Split Lock Washer 3/8 " 4
32 01-1774-7 Screw Hex 3/8-16x 11/4 4
33 25-0021-3 Locking Pin 1
34 01-1012-2 Allen Screw 3/8-16 x 3/8 " 1
35 06-0869-5 Motor Pulley 1
36 12-0714-1 Belt 1
37 04-0567-0 Flat Washer Pulley Axle 1
38 04-0154-7 Split Lock Washer 5/8 " 1
39 02-0136-8 Nylon Nut 5/8-18 1
40 04-0078-8 Flat Washer ¼5
41 01-1775-4 Screw Hex 1/4-20x3/4 5
42 46-2319-5 Flex Base 1
43 01-1077-5 Screw hexagonal 1/4-20x1 6
44 01-0069-3 Screw # 8 x ½3
45 13-1978-9 Pad Holder 1
70 28-0958-0 Switch Assy Wire 1
71 17-3677-6 Label " Reset " 1
72 01-1256--5 Screw 10-24 x 3/4 2
8/12 September/2009

ITEM PART No. DESCRIPTION QTY
73 45-0534-3 Security Assy Spare Part
73-A 01-0272-3 Screw # 6 x 1/2 1
73-B 13-2209-8 Security Button 1
73-C 13-2205-6 Piston of the Insurance 1
73-D 13-2206-4 Sucure 1
73-E 13-2208-0 Cover Box 1
73-F 01-1732-5 Screw # 8-32 x 1/2 " 2
73-G 37-0225-5 Dust Cover 1
73-H 05-3536-9 Tubular Spacer 2
73-I 24-0292-3 Spring 1
73-J 13-2207-2 Box Guides of the Insurance 1
74 17-3783-2 Switch Box Label Burnisher 1
75 05-3975-9 Switch Box Cover Black 1
76 04-0271-9 Star Washer No 10 2
77 38-0338-4 Thermal Protector 20 A 1
78 02-0015-4 Hexagonal Nut 10-24 2
79 08-1857-5 Insulator Switch 1
80 03-0593-8 Screw 2
81 04-0276-8 Star Washer No 8 2
82 01-1984-2 Screw # 8-32 x 1 " 2
83 01-0852-2 Hex Screw 6-32 x 3/8 " 1
84 04-0493-9 Star Washer No 8 1
85 11-0096-5 Micro Switch 1
86 01-0851-4 Hex Screw 6-32 x 1" 2
87 04-0275-0 Star Washer No 6 2
88 23-0657-9 Handle Assy for Switch 1
89 12-0830-5 Handle Tube Upper 2
90 12-0414-8 Grommet Heyco 0.062 1
91 28-0955-6 Motor Cable / Contact Assembly 1
92 24-0292-3 Spring 2
93 05-3979-1 Starting Lever 1
94 04-0036-6 Washer 1
95 01-1724-2 Allen Screw 5/16-24 x 3/4 1
96 12-0115-1 Grommet of Rubber 1
97 06-0486-8 Cord Hook 1
98 46-2422-7 Assembly lever tube fixed 1
98-A 12-0617-6 Encasement lever 1
99 05-3582-3 Washer 1
100 01-1705-1 Screw Hex 3/8-16x2 1/2 1
101 04-0073-9 Flat Washer 3/8" 3
102 06-0790-3 Brace tube 1
103 45-0456-9 Cord Strain Relief 1
104 10-0140-3 Connector of pressure 2 x 14 1
105 28-1078-6 Line Cord Assembly 1
103-A 25-1185-5 Coupling 1
103-B 25-1186-3 Strain Relieve Barrel 1
103-C 25-1187-1 Nut Union Relay 1
103-D 24-0286-5 Spring Strain Relieve Spring 1
9/12 September/2009

Assembly control dust 46 - 3572 - 8
ITEM PART No DESCRIPTION QTY
50 45-0768-7 Quick connector 1
51 01-1374-6 Screw 6-32x3/8 2
52 04-0493-9 Washer Star int. 8
53 02-0126-9 Nut elastic 12
54 13-3694-0 Cover 1
55 45-0760-4 Hinge 2
56 45-0767-9 KIT Bag Filter (3 PZ) 1
56-A 45-0761-2 Filter Bag ( single ) 2
57 01-2157-4 Screw Flat-Head 6-32x3/8 10
58 13-3695-7 Coupler Bag of Powder 1
59 01-1483-5 Class Head Hex 6x3/8 3
60 01-0862-1 Screw Stove 10-24 x 1/2” 5
61 23-0669-4 Plate Assembly 1
62 12-0810-7 Molding Dish C. D. 1
63 25-1452-01-7 Bolt Guide long. 1 3
64 25-1452-9 Bolt Guide long. 13/16 2
65 24-0345-9 Conical Spring 5
66 04-0469-9 lock up 5
67 46-3574-4 Earring Brush Assembly 1
68 12-1065-01-5 Stamp burnisher v. p. 1
106 04-0141-4 Split Lock Washer 3/16 5
107 24-0233-7 Paper Bag Spring 1
108 12-0819-8 Gasket 1
10/12 September/2009

VII.- ASSEMBLY
11/12 September/2009

12/12 September/2009
FACTORY AUTHORIZED SERVICE
Thorne Electric Company
610 Lanark Suite 205
San Antonio TX ,78218
Tel [phone]
Fax [phone]
01-800-548-5741
FACTORY
Koblenz Eléctrica, S. A. de C. V.
Av. Ciencia No 28 Cuautitlán Izcalli
Edo. de México ,C.P. 54730
Tel : [phone]
Web site : http://www.koblenz-electric.com
KOBLENZ ELECTRICA S.A. DE C.V.
E-mail: [e-mail] LP-BUR-200909