Instruction/ maintenance manual of the product 31-390 Delta
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INSTRUCTION MANUAL 6" Edge Sander (Model 31-390, 391, 392) P ART NO. 406-11-651-0006 - 03-12-02 Copyright © 2002 Delta Machinery T o learn more about DEL T A MACHINER Y visit our website at: www .deltamachinery .com. For Parts, Service, W arranty or other Assistance, please call 1-800-223-7278 ( In Canada call 1-800-463-3582).
2 GENERAL SAFETY RULES W oodworking can be dangerous if safe and pr oper operating procedur es ar e not followed. As with all machinery , ther e are certain hazar ds involved with the operation of the pr oduct. Using the machine with respect and caution will considerably lessen the possibility of personal injury .
ADDITIONAL SAFETY RULES FOR ABRASIVE FINISHING MACHINES 1 . DO NOT OPERA TE THIS MACHINE UNTIL it is assembled and installed according to the instructions. 2. OBT AIN ADVICE from your supervisor, instructor , or another qualified person if you are not familiar with the operation of this machine.
4 POWER CONNECTIONS A separate electrical circuit should be used for your tools. This cir cuit should not be less than #12 wir e and should be protected with a 20 Amp time lag fuse. If an extension cor d is used, use only 3-wir e extension cords which have 3- prong gr ounding type plugs and matching r eceptacle which will accept the tool’ s plug.
Fig. A FUNCTIONAL DESCRIPTION FOREWORD Delta Model 31-390 is a lar ge capacity Edge Sander for fast, efficient, straight and bevel edge sanding with the added ability to handle contour sanding jobs.
6 ASSEMBLING LEGS TO EDGE SANDER Carefully assemble the two support legs to the base of the edge sander as follows: 1. Fasten each support leg (C) Fig. 3, to the base of the machine (A) with five 3/8-16 x 1" hex head screws, ten flat flatwashers, five lockwashers and hex nuts, (D) Fig.
ASSEMBLING BEL T TENSION LEVER Assemble the belt tension lever (A) Fig. 7, to the tensioning mechanism by threading the end of lever (B) into the tapped hole (C) and tighten lock nut. ASSEMBLING TOP GUARD AND DUST CHUTE ASSEMBL Y T wo dust chutes (A) Fig.
ASSEMBLING AUXILIAR Y ABRASIVE DRUM AND SPINDLE ASSEMBL Y TO DRIVE PULLEY The auxiliary abrasive drum and spindle assembly is furnished as standard equipment with the edge sander and is used for finish sanding of small contour workpieces.
ASSEMBLING AUXILIAR Y END T ABLE ASSEMBL Y The auxiliary end table is furnished as standard equip- ment with the edge sander . The table is used when performing contour sanding operations around the drive pulley and auxiliary abrasive drum and spindle assembly .
ST AR TING AND STOPPING EDGE SANDER T o start the tool, push the start button (A) Fig. 25; to stop the tool, push stop button (B). ADJUSTING T ABLE POSITION T o raise or lower the straight table, loosen lock knobs (A) Fig. 26, adjust table height and tighten knobs (A).
ADJUSTING LONG PLA TEN T o adjust the long platen when sanding on the straight table: 1. DISCONNECT TOOL FROM POWER SOURCE. 2. Remove the top guard and dust chute assembly . 3. Loosen two hex nuts (A) Fig.29 holding brackets (B) at each end of the machine, and move platen (C) in or out as needed.
ADJUSTING BEL T TRACKING T o check and adjust the tracking of the sanding belt on the pulleys, proceed as follows: 1. Raise the dust chutes (A) Fig. 34, at both ends of the top guard and dust chute assembly . 2. Make certain the top guard and dust chute assembly is not interfering with the rotation of the sanding belt.
EDGE SANDING When edge sanding, it is advisable to raise one end of the table as shown in Fig. 36. This allows cooler belt running, prevents spot wear , reduces material burning and promotes longer belt life. The table should be positioned so it is close to, but not contacting the sanding belt.
CHANGING SANDING BEL TS T o remove and install sanding belts, proceed as follows: 1. DISCONNECT TOOL FROM POWER SOURCE. 2. The sanding belt can be changed with or without the top guard and dust chute r emoved fr om the machine. 3. Push in on belt tension lever (A) Fig.
15 T wo Y ear Limited W arranty Delta will repair or r eplace, at its expense and at its option, any Delta machine, machine part, or machine accessory which in normal use has proven to be defective in.
The following are trademarks of POR TER-CABLE · DEL T A (Las siguientes son marcas r egistradas de PORTER-CABLE S.A.): BAMMER ® , INNOV A TION THA T WORKS ® , JETSTREAM ® , LASERLOC ® , OMNIJIG .
An important point after buying a device Delta 31-390 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Delta 31-390 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Delta 31-390 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Delta 31-390 you will learn all the available features of the product, as well as information on its operation. The information that you get Delta 31-390 will certainly help you make a decision on the purchase.
If you already are a holder of Delta 31-390, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Delta 31-390.
However, one of the most important roles played by the user manual is to help in solving problems with Delta 31-390. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Delta 31-390 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
