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18" PROFESSIONAL BANDSAW
MODEL G4186Z
INSTRUCTION MANUAL
COPYRIGHT © 2000 BY GRIZZLY INDUSTRIAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
JUNE, 2002 PRINTED IN TAIWAN
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WARNING Some dust created by power sanding, sawing, grind- ing, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: • Lead from lead-based paints. • Crystalline silica from bricks, cement, and other masonry products. • Arsenic and chromium from chemically treated lumber. Your risk from these exposures varies, depending on how often you do this type of
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Table Of Contents PAGE 1. SAFETY SAFETY RULES FOR POWER TOOLS................................................................2-3 ADDITIONAL SAFETY INSTRUCTIONS FOR THE BANDSAW..............................4 2. CIRCUIT REQUIREMENTS 220V OPERATION ....................................................................................................5 110V OPERATION ....................................................................................................5 GROUNDING .........................
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SECTION 1: SAFETY For Your Own Safety Read Instruction Manual Before Operating This Equipment The purpose of safety symbols is to attract your attention to possible hazardous conditions. This manual uses a series of symbols and signal words which are intended to convey the level of importance of the safety messages. The progression of symbols is described below. Remember that safety messages by themselves do not eliminate danger and are not a substi- tute for proper accident prevention measures.
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Safety Instructions For Power Tools 9. USE PROPER EXTENSION CORD. Make 14. DO NOT OVERREACH. Keep proper foot- sure your extension cord is in good condi- ing and balance at all times. tion. Conductor size should be in accor- dance with the chart below. The amperage 15. REDUCE THE RISK OF UNINTENTION- rating should be listed on the motor or tool AL STARTING. On machines with mag- nameplate. An undersized cord will cause netic contact starting switches there is a a drop in line voltage resulting i
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Additional Safety Instructions For Bandsaws 1. DO NOT OPERATE WITH DULL OR 7. ALWAYS FEED STOCK EVENLY AND BADLY WORN BLADES. Dull blades SMOOTHLY. Do not force or twist blade while cutting, especially when sawing require more effort to use and are difficult small radii. to control. Inspect blades before each use. 8. THIS MACHINE IS NOT DESIGNED TO 2. NEVER POSITION FINGERS OR CUT METAL or other material except THUMBS IN LINE WITH THE CUT. wood. Serious personal injury could occur. 9. BLADE SHOU
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SECTION 2: CIRCUIT REQUIREMENTS 220V Operation 110V Operation The G4186Z Bandsaw motor can be wired to The motor supplied with the Model G4186Z operate at 110V. See Figure 1B. Under normal comes prewired for 220V. Refer to the wiring dia- 110V use, the motor draws approximately 24 gram supplied at the back of this manual for more amps. We recommend a 30 amp circuit breaker, specific information about wiring connections. including wires in the circuit rated to handle 30 amps. Under normal use, th
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Grounding Wiring Diagram In the event of an electrical short, grounding Your Model G4186Z Bandsaw comes pre-wired reduces the risk of electric shock by providing for 220 volt operation. A wiring diagram is provid- electric current a path of least resistance. This ed at the back of this manual should it be neces- tool is equipped with a power cord having an sary to repair or revise the wiring. Always utilize a equipment-grounding conductor. See Figure 1. qualified electrician when doing any elect
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SECTION 3: INTRODUCTION Most important, we stand behind our machines. If Commentary you have any service questions or parts requests, please call or write us at the location listed below. We are pleased to offer the Model G4186Z 18" Grizzly Industrial, Inc. Bandsaw. The Model G4186Z is part of the 2406 Reach Road Grizzly family of fine woodworking machinery. Williamsport, PA 17701 When used according to the guidelines set forth Phone: (570) 546-9663 in this manual, you can expect years of troub
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Unpacking Parts Inventory The bandsaw is shipped from the factory in a After all the parts have been removed from the carefully packed crate. If you find the machine to crate, you should have: be damaged after you have signed for delivery, and the truck and driver are already gone, you • Bandsaw Unit will need to file a freight claim with the carrier. • Table • Table Bracket Save the containers and all packing materials for • Fence inspection by the carrier or their agent. Without • Fence Rails
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Clean Up Site Considerations The unpainted surfaces are coated with a waxy FLOOR LOAD oil to protect them from corrosion during ship- Your Model G4186Z Bandsaw represents a large ment. Remove this protective coating with a sol- weight load in a small footprint. Most commercial vent cleaner or citrus-based degreaser. Avoid or residential shop floors should be sufficient to chlorine-based solvents as they may damage carry the weight of the machine. If you have any painted surfaces should they come
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SECTION 4: ASSEMBLY Table and Support Keep loose clothing out Bracket of the way of machinery and keep hair pulled back. The bandsaw table comes with the table trun- nions already attached. These trunnions mount to the trunnion support bracket which needs to be Disconnect power to the mounted to the bandsaw unit before the table can machine when perform- be installed. To attach the bandsaw table: ing any maintenance or assembly. Failure to do 1. Remove the two trunnion support bracket this may r
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7. Place the round table insert in the table top and replace the tapered pin so it fits snugly in the hole on the side of the table. Do not use excessive force. The tapered table pin should always be in position when operating the bandsaw. Operating without the pin can allow a step in the table top which can catch your work- piece during cutting. Serious personal injury may occur if this caution is ignored. Figure 3. Trunnion support in correct position. 3. Before you place the table on the trun
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Rails and Fence When installing the fence, notice that the front and back edges of the table have two threaded holes. These holes accept the round spacers and socket head cap screws that attach the fence rails to the table. To install the rails and fence: 1. Place the two spacers in the table, similar to Figure 6. Figure 8. Rail and fence assembly. 4. Slide the back rail into the fence rear lock and secure the rail to the back edge of the table with the cap screws and spacers pro- vided. 5. Chec
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3. Apply tension to the blade by turning the tension control knob. Rotate the upper wheel by hand as tension is applied to allow Disconnect power to the the blade to center itself on the wheel. machine when changing or adjusting blades. Adjust tracking if needed. See Adjustment Failure to do this may section. result in serious person- al injury. 4. Readjust upper and lower blade guides and support bearings. See Adjustment section. Blades 5 A ⁄8" blade is included with the bandsaw and is already
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SECTION 5: ADJUSTMENTS F Keep loose clothing out of the way of machinery A and keep hair pulled back. B Disconnect power to the E machine when perform- ing any adjustments or maintenance. Failure to do this may result in seri- C D ous personal injury. A Wear safety glasses dur- ing the entire adjustment process. Failure to com- Figure 10. Controls from front of machine view. ply may result in serious personal injury. A. These two knobs allow the wheel cover doors to be opened for access to the b
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F Blade Tension Proper blade tensioning is important for optimum bandsaw performance. See Figure 11 for the G location of the bandsaw tension controls. I Since a wide range of blades will work well in this saw, proper blade tension ultimately depends on the type and the size of blade you use. Thinner blades require less tension than wide blades. Too H much tension will result in blade breakage. A properly tensioned blade will track the cutting line accurately and the cut will be smoother. Figure
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Blade Tracking Wheel Alignment Blade tracking involves positioning the blade on Wheel alignment is one of best ways to ensure the wheels of the bandsaw. There are two meth- that you get optimal performance from your band- ods of tracking: Center Tracking and Coplanar saw. Tracking. Center tracking, the easiest, is simply adjusting the tilt of the upper wheel so the blade When both wheels are aligned, or coplanar (see rides in the middle of the rubber tire. This adjust- Figure 13), the bandsaw is
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5. Place your gauge up against both wheels in the positions shown in Figure 15. Figure 15. Coplanarity gauge placement. 6. Adjust the tracking knob to get both wheels coplanar. If the wheels will not go coplanar to each other, then move the lower wheel at the adjustment hub so they line up. If you are not familiar with the lower wheel adjustment hub, refer to the “Controls” section. Figure 14. Coplanarity gauge. 3. After you have made your coplanarity gauge, remove the fence and table, then open
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Guide Blocks - The guide blocks ensure that Blade Guides the blade is not pushed too far laterally. To adjust the guide blocks, loosen the thumb- screws that secure the guide block shafts. Whenever changing a blade or adjusting tension Adjust them evenly so that the front of the 1 and tracking, the upper and lower blade support blocks are /64" behind the gullet line of the bearings and guide blocks must be re-adjusted. blade. Tighten these thumbscrews. Now Always adjust the assemblies away from
