Ryobi BS903- Manuals

Page 3 - GENERAL SAFETY RULES; READ ALL INSTRUCTIONS

3 GENERAL SAFETY RULES WARNING: Read and understand all instructions. Failure to follow all instructions listed below, may result in electric shock, fire and/or serious personal injury. READ ALL INSTRUCTIONS  KNOW YOUR POWER TOOL. Read the operator’s manual carefully. Learn the applications and lim...

Page 4 - SPECIFIC SAFETY RULES

4  AV O I D AW K WA R D O P E R AT I O N S A N D H A N D POSITIONS where a sudden slip could cause your hand to move into the blade. ALWAYS make sure you have good balance.  ALLOW THE MOTOR TO COME UP TO FULL SPEED before starting a cut to avoid binding or stalling.  DO NOT USE TOOL IF SWITCH DOE...

Page 5 - SYMBOLS; SYMBOL

5 SYMBOLS Some of the following symbols may be used on this tool. Please study them and learn their meaning. Properinterpretation of these symbols will allow you to operate the tool better and safer. Read The Operator’s Manual Safety Alert No Hands Symbol SYMBOL NAME DESIGNATION/EXPLANATION Voltage ...

Page 6 - CAUTION; SAVE THESE INSTRUCTIONS

6 SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product. DANGER: Indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury. WARNING: Indicates a potentially hazardous situation, which, ...

Page 7 - ELECTRICAL; SPEED AND WIRING; ELECTRICAL CONNECTION

7 ELECTRICAL SPEED AND WIRING The no-load speed of this tool is approximately 3,000 sfpm. This speed is not constant and decreases under a load or with lower voltage. For voltage, the wiring in a shop is as important as the motor’s horsepower rating. A line intended only for lights cannot properly c...

Page 8 - GLOSSARY OF TERMS

8 GLOSSARY OF TERMS Non-Through Cuts Any cutting operation where the blade does not extend completely through the thickness of the workpiece. Pilot Hole (drill presses) A small hole drilled in a workpiece that serves as a guide for drilling large holes accurately. Push Blocks (for jointer planers) D...

Page 9 - FEATURES; PRODUCT SPECIFICATIONS

9 FEATURES PRODUCT SPECIFICATIONS Blade Width ................................................ 1/8 in. to 3/8 in.Blade Length ..........................................59-1/4 - 59-1/2 in.Frame to Blade Capacity .............................................. 9 in.Cutting Thickness Capacity .............

Page 12 - ASSEMBLY; UNPACKING

12 ASSEMBLY HOLES IN SAW BASE Fig. 5 UNPACKING This product requires ass embly.  Carefully remove the tool and any accessories from the box. Place it on a level work surface. NOTE: This tool is heavy. To avoid back injury, lift with your legs, not your back, and get help when needed.  Inspect the ...

Page 13 - MOUNTING THE SAW TABLE

13 ASSEMBLY If lag bolts are used, make sure they are long enough to go through holes in the saw base and material the saw is being mounted to. If machine bolts are being used, make sure bolts are long enough to go through holes in the saw base, the material being mounted to, and the lock washers an...

Page 14 - SQUARING THE SAW TABLE TO THE BLADE

14 ASSEMBLY SQUARING THE SAW TABLE TO THE BLADE See Figure 8.  Turn the lock knob counterclockwise to unlock the blade guide assembly. Turning the blade guide knob clockwise, raise the blade guide assembly as far as it will go. Turn the lock knob clockwise to retighten.  Place a small combination ...

Page 15 - TRACKING THE BLADE; ATTACHING THE WORKLIGHT; IMPORTANT SAFETY INSTRUCTIONS

15 ASSEMBLY TRACKING THE BLADE See Figure 10. NOTE: Adjust blade tension properly before making tracking adjustments. Check that the blade guides are not interfering with the blade. To Adjust:  Open the front cover by releasing the upper and lower latches. Watch the blade’s position on the upper ti...

Page 16 - OPERATION; APPLICATIONS; RELIEF CUTS

16 OPERATION WARNING: Do not allow familiarity with tools to make you care-less. Remember that a careless fraction of a second is sufficient to inflict serious injury. WARNING: Always wear safety goggles or safety glasses with side shields when operating power tools. Failure to do so could result in...

Page 17 - SCROLL CUTTING; AVOIDING INJURY; BEFORE LEAVING THE SAW

17 OPERATION SCROLL CUTTING For general type scroll cutting, follow the pattern lines by pushing and turning the workpiece at the same time. Do not try to turn the workpiece while engaged in the blade without pushing it – the workpiece could bind or twist the blade. REMOVING JAMMED MATERIAL Never re...

Page 18 - TILTING THE TABLE

18 OPERATION TILTING THE TABLE See Figure 13.  Loosen the table lock knob slightly.  Turn the angle adjustment knob, tilting the saw table toward the front of the saw housing until it reaches the desired angle.  Using the scale indicator, check angle markings.  Retighten the table lock knob to h...

Page 19 - INSTALLING AND ADJUSTING THE BLADE

19 ADJUSTMENTS WARNING: Before performing any adjustment, make sure the tool is unplugged from the power supply. Failure to heed this warning could result in serious personal injury. INSTALLING AND ADJUSTING THE BLADE See Figures 16 and 17.  Loosen and remove the wing nut and table aligning bolt fr...

Page 20 - ADJUSTING BLADE GUIDE ASSEMBLY

20 ADJUSTMENTS Fig. 19 ADJUSTING BLADE GUIDE ASSEMBLY See Figures 18 and 19. To prevent the blade from twisting or breaking, the blade guide assembly should always be set approximately 1/8 in. (3 mm) above the workpiece.  Turn the lock knob counterclockwise to unlock the blade guide assembly.  As ...

Page 21 - To Adjust Blade Guide Support:

21 ADJUSTMENTS ADJUSTING BLADE GUIDE SUPPORT, THRUST BEARINGS, AND BLADE GUIDE BEARINGS See Figures 20 - 22. NOTE: Tighten the lock knob and refer to “Adjusting Blade Tension” and “Tracking the Blade” procedures explained in the ASSEMBLY section of this operator’s manual prior to making adjustments....

Page 22 - To Adjust Blade Guide Bearings:

22 MAINTENANCE ADJUSTMENTS To Adjust Blade Guide Bearings: The blade guide bearings help keep the blade from twisting and binding. The blade can be ruined if the blade teeth hit the bearings while using the band saw.  Remove the blade guard by loosening the two phillips screws.  Using a 2.5 mm hex...

Page 23 - MAINTENANCE; TIRES; BRUSHES

23 MAINTENANCE LOWER WHEEL WHEEL SHAFT MOTOR PULLEY Fig. 25 DRIVE BELT Fig. 24 LOWER WHEEL BRUSH Fig. 23 TIRE SCREW  Remove the nut and washer from the middle of the saw housing. See Figure 24.  Pull the lower wheel away from the saw housing.  Remove the worn drive belt.  Place new drive belt on...

Page 24 - TROUBLESHOOTING; PROBLEM

24 TROUBLESHOOTING PROBLEM CAUSE SOLUTION Motor will not run. 1. Problem with on/off switch or 1. Have worn parts replaced before power cord. using band saw again. 2. Motor defective. 2. Do not attempt any repair. Have tool repaired by a qualified service technician. Blade does not run in the approx...

Page 25 - NOTES

Page 26 - OPERATOR’S MANUAL; PARTS AND SERVICE

ONE WORLD TECHNOLOGIES, INC. 1428 Pearman Dairy Road, Anderson, SC 29625 Phone 1-800-525-2579 www.ryobitools.com OPERATOR’S MANUAL 9 in. (229 mm) BAND SAW BS903 WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to caus...