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Page 1
This Manual is Bookmarked Operating Instructions — Parts Manual Disc, Belt, and Combination Disc/Belt Sanders Models: 4200A, 4300A, 4400A WHM TOOL GROUP 2420 V antage Drive Elgin, Illinois 60123 Part No. 551 1365 Ph.: 800-274-6848 Revision E2 10/04 www .wmhtoolgroup.com Copyright © WMH T ool Group 4200A Disc/Belt Sander 4300A 6 Inch Belt Sander [...]
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This manual has been prepared for the owner and operators of a Wilton Sander . Its purpose, aside from machine operation, is to promote safety using accepted operating and maintenance procedures. T o obtain maximum life and efficiency from your Sander and to aid in using it safely , please read this manual thoroughly and follow instructions careful[...]
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3 T able of Content s Cover Page ..................................................................................................................... .................... 1 W arranty .............................................................................................................................................. 2 T able of Contents ..[...]
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4 Wilton Abrasive Finishing Machines are available in three different configurations: disc, belt, and combination disc and belt. Each configuration is a rugged, heavy-duty machine designed for maximum high production work in an industrial environment. The speed of stock removal and the quality of finish achieved is determined largely by the aggress[...]
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5 General Specifications Disc:12x16 3/8 in. (254x416mm) Belt: 7 3/8x14 3/4 in. (187x355mm) (both) 45° down, 20° up (both) 3/8x3/4 in. (9.5x19mm) 12 in. (305mm) 1960 RPM 6 1/4x14 3/4 in. (159x375mm) 6x48 in. (152x1214mm) 2850 SFM 19x16x57 1/2 in. (475x400x1437mm) 25 1/2x16x43 in. (637x400x1075mm) Model 4200A 1 ph. 1.5HP 1 15/220V Model 4202A 3 ph.[...]
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6 When using the machine: - Never operate the machine with safety guards missing. - Always wear safety glasses with side shields (See ANSI Z87.1) - Never wear loose clothing or jewelry . - Never overreach — you may slip and fall into the machine. - Never leave the machine running while unattended. - Always shut the machine off when not in use. Wh[...]
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7 General Electrical Cautions This machine should be grounded in accordance with the National Electrical Code and local codes and ordinances. The work should be done by a qualified electrician. The machine should be grounded to protect the user from elec- trical shock. Wire Sizes Caution: For circuits that are a great distance from the elec- trical[...]
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8 Operating Instructions These sanders can be used to remove stock from a wide variety of machinable materials. Different materials require different grit types and grades to achieve the de- sired stock removal rate and surface finish. Please consult with your abrasive materials supplier for specific recom- mendations on the correct grit material a[...]
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9 Figure 2: Lock bolts for belt arm Figure 3: Arm at horizontal -- note that the table is removed. The table may be removed or left in position, and may also be set to any angle to allow horizontal sanding of various angles. CAUTION: NEVER ADJUST THE ARM ANGLE WHILE THE SANDER IS RUNNING . AL W A YS TURN OFF THE MOTOR BEFORE ADJUSTING THE ARM ANGLE[...]
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10 Maintenance Belt Replacement 1. Disconnect the power to the machine to prevent acci- dental start-ups. If the machine is plugged into an outlet, unplug it. If the machine is hardwired to a branch circuit with a junction box, remove the fuse or trip the circuit breaker to the branch. 2. Remove the lock knob and top cover (See Figure 6). 3. Remove[...]
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11 T rack Mechanism Maintenance While the use of a dust collection system can extend service intervals, an accumulation of dust will almost cer- tainly require periodic cleaning of the tracking mechanism. The more continuous the use of the machine, the more frequently this maintenance should be performed. As mentioned in the preceding section, the [...]
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12 Figure 1 1: Rot ating the machine casting to remove the disc guard bolts 6. Remove the two bolts, underneath the machine casting, that secure the disc guard to the casting (See Figure 1 1). 5. Through the hole in the disc guard casting, locate and remove the TWO set screws that secure the drive disc to the arbor . One set screw clamps on the arb[...]
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13 Machine Setup Basic Setup 1. Position the machine where it will be located on the shop floor . When positioning the machine, consider the type of work which will be done on it so you allow sufficient room not only for the workpieces, but also for service to the machine. 2. Open the door in the base of the machine and, using the holes in the base[...]
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14 Disc T able Angle Adjustment 1. Disconnect the power to the machine to prevent acci- dental start-ups. 2. Loosen the table locking knobs on either end of the table. 3. Using a machinist's square against the table and disc, set the table at exactly 90 o to the disc (See Figure 15). 4. Tighten the table locking knobs. 5. Check the pointer . I[...]
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Page 15
15 Belt T able Miter Slot Parallelism Adjustment 1. Disconnect the power to the machine to prevent acci- dental start-ups. 2. Set the table angle to zero. 3. Place a scale or adjustable machinist's square against either the left or right edge of the belt or platen and mea- sure the distance to the miter slot edge (See Figure 19). 4. Move the m[...]
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16 Adjusting or Replacing the Platen 1. Disconnect the electrical power to the machine to pre- vent accidental start-ups. 2. Remove the top cover , side guard and belt as outlined in Belt Replacement . 3. Remove the table by unscrewing the locking handling and lifting the complete t able assembly , from the machine. 4. If you are replacing the plat[...]
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Page 17
17 Single Phase Electrical Hookup When connecting your machine to single phase power , you may be connecting to either 1 15 or 230 volts, depending upon the motor type provided. Local codes may , or may not, permit the use of a plug type of connection for your machine. Where a plug connection is permitted, the following installation practices must [...]
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18 1. Motor is defective 2. V oltage is too low 3. Switch is defective 4. Branch circuit fuse is blown or the circuit breaker is tripped 5. Branch is shut down for service 6. Open circuit in the wiring 1. Belt is slipping 1. Replace the belt. Abrasive belt or disc slows down although motor keeps running at working speed Motor stalls easily Motor wi[...]
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19 Figures 25 and 26, below: Wiring diagrams for 230 and 460 V AC with controller with warning light. Figure 27 and 28, below: Wiring diagrams for 230 and 460 V AC with push button switch. Electrical Schematics JIC Packages[...]
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20 Figure 30: Schematic diagram for single phase motor . Figure 31: Schematic diagram for 3-phase motor . Figure 32: Motor connection diagram for 1-phase motor . Electrical Schematics Standard 1 phase and 3 phase machines Figure 33: Motor connection diagram for 3-phase motor . Replacement Parts This section provides exploded view illustrations that[...]
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21 Exploded V iew – Model 4200A Belt and Disc Sander Assembly[...]
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22 Parts Listing – Model 4200A Belt and Disc Sander Assembly Ref # Part No. Description Qty . 1 5508427 Bracket 1 2 551 1833 Square Nut, M10 1 3 50510801 S pring 1 4 5051091 Sleeve 1 5 5051 131 Collar 1 6 5508431 Shaft with Collar 1 7 5051 151 Cap 1 8 TS-2361051 Lock W asher , M5 2 9 TS-1513051 SHFS, M5 x 25 2 1 0 5051721 Hand Wheel 1 1 1 551 181[...]
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23 Exploded V iew – Model 4300A Belt Sander Assembly[...]
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24 Parts Listing – Model 4300A Belt Sander Ref # Part No. Description Qty . 1 5508427 Bracket 1 2 551 1833 Square Nut, M10 1 3 5051081 S pring 1 4 5051091 Sleeve 1 5 5051 131 Collar 1 6 5508431 Shaft with Collar 1 7 5051 151 Cap 1 8 TS-2361051 Lock W asher , M5 2 9 TS-1513051 SHFS, M5 x 25 2 1 0 5051721 Hand Wheel 1 1 1 551 1818 Flat Head Screw ,[...]
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25 Exploded V iew – Model 4400A Disc Sander Assembly[...]
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26 Parts Listing – Model 4400A Disc Sander Assembly Ref # Part No. Description Qty . 1 5508427 Bracket 1 2 TS-152301 1 SHSS, M6 x 6 2 3 551 1725 4200 Arbor Pulley 1 4 TS-1504061 SHCS, M8 x 30 4 5 TS-2361081 Lock W asher , M8 4 6 5508443 Drive Shaft 1 7 5051451 K ey , 5 x 5 x 35 1 8 4200A-042 K ey , 5 x 5 x 55 1 9 BB-6204ZZ Ball Bearing, 6204ZZ 1 [...]
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27 Exploded View - Base Assembly (All Models) Ref # Part No. Description Qty . 301 551 1743 Enclosure 1 302 TS-1540081 Hex Nut, M12 4 303 551 1745 Adjustable Mount 4 30 4 551 1729 Large Cover 1 305 5052431 Motor Mounting Plate 1 306 TS-1490031 HHCS, M8 x 20 7 307 TS-1550061 Flat W asher , M8 7 308 TS-1540061 Hex Nut, M8 7 309 5514650 1.5 HP 1 15/23[...]
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Page 28
28 Installation Transport the shipping container to the installation site. Unpack the dust collection system and check for damage. Contact the carrier if damage is found. Open the installation kit (refer to Optional Accessories in the parts listing for installation kits). Install the cover and debris collection drawer if removed. Slip a hose clamp [...]
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29 Disassembly Disassembly of the dust collection system is only required to replace the motor or the fan components. The motor switch, if failed, can be replaced without removal of the motor . 1. Remove the chip drawer (2) and cover (4) from the base (1). 2. Remove the filter cover (5) and filter (6). Replace the filter if required. 3. Remove five[...]
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30 Exploded View – Model 551 1885 Dust Collection System FRONT VIEW REAR VIEW 15 14 22 21 16 24 28 9 23 25 26 20 19 27 12 13 18 17 11 10 5 6 7 8 4 1 2 3[...]
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31 Parts Listing – Model 551 1885 Dust Collection System Ref. Part No. Number Description Qty 1 5514731 Base 1 2 5514732 Drawer , Chip 1 3 5514733 Seal, T ape * AR 4 5514734 Cover 1 5 5514735 Cover , Filter 1 6 5514779 Filter 1 7 5514736 P a n el , R e ar F o a m 1 8 5514737 Panel, Side Foam 2 9 5514738 Panel, Motor Support 1 1 0 5514739 Nut, Hex[...]
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WMH T ool Group 2420 V antage Drive Elgin, Illinois 60123 Phone: 800-274-6848 www .wmhtoolgroup.com[...]