Instruction/ maintenance manual of the product 31 Delta
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INSTRUCTION MANUAL 6" Belt and 12" Disc Abrasive Finishing Machine (Model 31-731) P ART NO. 420-01-651-0013 - 05-28-03 Copyright © 2003 Delta Machinery T o learn more about DEL T A MACHINER Y visit our website at: www .
2 Indicates an imminently hazardous situation which, if not avoided, will r esult in death or serious injury . Indicates a potentially hazardous situation which, if not avoided, could r esult in death or serious injury . Indicates a potentially hazardous situation which, if not avoided, may r esult in minor or moderate injury .
3 1. FOR YOUR OWN SAFETY , READ THE INSTRUC- TION MANUAL BEFORE OPERA TING THE MACHINE. Learning the machine’ s application, limitations, and specific hazards will gr eatly minimize the possibility of accidents and injury . 2. USE CERTIFIED SAFETY EQUIPMENT .
4 F AILURE TO FOLLOW THESE RULES MA Y RESUL T IN SERIOUS PERSONAL INJUR Y . ADDITIONAL SAFETY RULES FOR ABRASIVE FINISHING MACHINES SA VE THESE INSTRUCTIONS. Refer to them often and use them to instruct others. 1. DO NOT OPERA TE THIS MACHINE until it is completely assembled and installed according to the instructions.
5 A separate electrical circuit should be used for your machines. This cir cuit should not be less than #12 wire and should be protected with a 20 Amp time lag fuse. If an extension cor d is used, use only 3-wire extension cor ds which have 3- prong gr ounding type plugs and matching receptacle which will accept the machine’ s plug.
6 Use proper extension cor ds. Make sure your extension cor d is in good condition and is a 3-wire extension cord which has a 3-pr ong grounding type plug and matching r eceptacle which will accept the machine’ s plug. When using an extension cord, be sur e to use one heavy enough to carry the current of the machine.
7 FOREWORD Delta Model 31-731 is a abrasive finishing machine. The Delta Model 31-731 includes two tilting tables, 4½" arbor pulley , V -belt, 80-grit aluminum oxide belt and 50-grit aluminum oxide disc. FUNCTIONAL DESCRIPTION UNP ACKING AND CLEANING YOUR MACHINE IS SHIPPED WITHOUT BEL T TENSION APPLIED TO THE SANDING BEL T .
8 ALIGNING PULLEYS, ASSEMBLING BEL T AND ADJUSTING BEL T TENSION DISCONNECT MACHINE FROM POWER SOURCE Using a straight edge (A) Fig. 6, make certain the motor pulley (B) is aligned with the arbor pulley .
9 OPERA TING CONTROLS AND ADJUSTMENTS ST AR TING AND STOPPING THE ABRASIVE FINISHING MACHINE T o start the machine, push “ON” button (A) Fig. 10. T o stop the machine, push “OFF” button (B).
10 3. Loosen tracking lock knob (D) Fig. 14, and while rotating the belt (F) by hand, as shown, tighten or loosen tracking knob (E) until the belt is running true on the pulleys. 4. Then jog the machine on and off to check further if the belt is tracking properly .
11 ADJUSTING POSITION OF SANDING ARM DISCONNECT MACHINE FROM POWER SOURCE. The sanding arm can be positioned in the vertical or horizontal position, or at any desired angle in between as follows: 1. Loosen two bolts (A) Fig. 18, move the sanding arm to the desired position, and tighten the two bolts.
12 ADJUSTING T ABLE SQUARE WITH SANDING DISC DISCONNECT MACHINE FROM POWER SOURCE. 1. Place an accurate square (C) Fig. 23, on the table with one end of the square against the disc. 2. Loosen the table locking knobs (A) Fig. 23, which are located on each end of the table and move the table until it is at 90 degrees to the disc.
13 ADJUSTING THE PLA TEN The platen (A) Fig. 24, is set at the factory 1/32 of an inch higher than the crown of the drums (B). This allows the belt, when properly tensioned, to lay flat on the platen and eliminate stretching and bulging which might occur if the platen is not at the right height.
14 NOTES.
15 P AR TS, SERVICE OR WARRANTY ASSIST ANCE All Delta Machines and accessories are manufactur ed to high quality standards and ar e serviced by a network of Porter -Cable • Delta Factory Service Centers and Delta Authorized Service Stations.
The following are trademarks of POR TER-CABLE · DEL T A (Las siguientes son marcas registradas de POR TER-CABLE S.A.): Auto-Set ® , BAMMER ® , B.O.S.
An important point after buying a device Delta 31 (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 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 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Delta 31 you will learn all the available features of the product, as well as information on its operation. The information that you get Delta 31 will certainly help you make a decision on the purchase.
If you already are a holder of Delta 31, 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.
However, one of the most important roles played by the user manual is to help in solving problems with Delta 31. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Delta 31 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
