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15" BANDSAW
MODEL G1148
INSTRUCTION MANUAL
COPYRIGHT © 1994 BY GRIZZLY INDUSTRIAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY IMPORTS, INC.
REVISED APRIL, 1999. PRINTED IN U.S.A.
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TABLE OF CONTENTS PAGE 1. SAFETY RULES SAFETY RULES FOR POWER TOOLS ..................................................................3-4 SAFETY RULES FOR BANDSAWS ..........................................................................5 2. CIRCUIT REQUIREMENTS 110V OPERATION ......................................................................................................6 FUSING ..............................................................................................................
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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 substitute for prop- er accident prevention measures.
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Safety Instructions For Power Tools 9. USE PROPER EXTENSION CORD. Make 13. DON’T OVERREACH. Keep proper footing sure your extension cord is in good condi- and balance at all times. tion. Conductor size should be in accor- dance with the chart below. The amperage 14. MAINTAIN TOOLS WITH CARE. Keep rating should be listed on the motor or tool tools sharp and clean for best and safest nameplate. An undersized cord will cause a performance. Follow instructions for lubri- drop in line voltage resulti
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Additional Safety Instructions For The Bandsaw 1. Do not operate your bandsaw with dull or 6. Always feed stock evenly and smoothly. badly worn blades. Dull blades require Do not force or twist blade while cutting, more effort to use and are difficult to con- especially when sawing small radii. trol. Inspect blades before each use. 7. This machine is not designed to cut metal 2. Never position fingers or thumbs in line or other material except wood. with the cut, use a push stick. Serious injury
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SECTION 2: CIRCUIT REQUIREMENTS Grounding 110V Operation The Model G1148 is wired for 110V, single phase In the event of an electrical short, grounding 3 reduces the risk of electric shock by providing a operation only. The ⁄4 HP motor will safely draw path of least resistance to disperse electric cur- 13 amps at 110V. The motor can also be run on rent. This tool is equipped with a power cord hav- 220V where it will draw 6.5 amps, however addi- ing an equipment-grounding conductor. See tional ch
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SECTION 3: GENERAL INFORMATION The specifications, drawings, and photographs Commentary illustrated in this manual represent the Model G1148 as supplied when the manual was pre- pared. However, owing to Grizzly’s policy of con- tinuous improvement, changes may be made at Grizzly Industrial, Inc. is proud to offer the Model any time with no obligation on the part of Grizzly. G1148 15" Bandsaw. This saw is a part of Whenever possible, though, we send manual Grizzly’s growing family of fine woodwor
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Unpacking Piece Inventory The bandsaw is shipped from the factory in a With all the parts removed from the container, you carefully packed carton. If you find the machine to should have: be damaged after you’ve signed for delivery and the truck and driver are already gone, you will • Bandsaw Unit with Blade • Motor need to file a freight claim with the carrier. Save the containers and all packing materials for • Stand Parts inspection by the carrier or their agent. Without • Fasteners the pack
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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 G1148 Bandsaw represents a large weight ment. Remove this protective coating with a sol- load in a small footprint. Most commercial or res- vent cleaner or citrus-based degreaser. Avoid idential shop floors should be sufficient to carry chlorine-based solvents as they may damage the weight of the machine. If you have any ques- painted surfaces should they com
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SECTION 4: ASSEMBLY Beginning Assembly Stand Most of your bandsaw has been assembled at the To begin stand assembly, keep all the stand parts factory. The remainder of the machine should be within easy reach. To ease assembly, build the fairly easy to assemble in your shop. The assem- stand upside down on a bench, then place it bly process is organized in steps. Please follow upright on the floor. these steps in sequence. We also recommend that you review the diagrams and parts lists to 1. Place
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2. Insert the 4 carriage bolts through the slots. Bandsaw Unit Use washers on the underside. Finger tight- en the nuts for now. 3. Slip the V-Belt into the grooves of the wheel This bandsaw is relatively heavy and awkward to and motor pulleys. Be sure grooves you handle. We strongly recommend that you get choose are aligned. For general woodwork- assistance. The bandsaw unit is also very unsta- ing, use fastest blade speed (i.e. the small- ble until it is permanently mounted to the stand. er dia
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5. Adjust the V-Belt tension by sliding the 3. Remove the two star knobs (#77), table motor along the slots. Proper tension is insert (#68), and tapered pin (#71) from the achieved when the belt can be deflected table. 3 approximately /4" with moderate finger pressure. 4. Slip the table past the blade through the table slot, rotate the table 90°, and set the table trunnions onto the bracket. Make sure 6. Tighten the carriage bolts securely. Re- check belt tension and pulley alignment. the trunni
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Fence and Rails Table Insert The last item to install is the rip fence (assembled The table insert provides support for materials around #114). Notice that the front and back being cut. It can also be removed for increased edges of the table have four (4) counterbored and access to the lower blade guide. threaded holes. These holes accept the spacers (#86) and cap screws (#88) that attach the fence The insert is supported by a lip formed in the rails to the table (#87). See Figure 7. table casti
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SECTION 5: ADJUSTMENTS E. The miter gauge slides in the milled groove Bandsaw Controls in the table and can be set at 45° left and right. Use the miter gauge for crosscutting and miter-cutting. F F A E G H B D C A Figure 8. General controls. Figure 9. Upper Controls. General control and adjustment locations are Now, direct your attention to the controls located shown in Figure 8 above and are described in around the upper part of the saw. See Figure 9. this section. F. This knob (#8) is used to
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TRACKING Tension/Tracking To adjust tracking, disconnect the bandsaw from the power source and adjust the upper and lower Proper blade tension and tracking are important guide assemblies away from the blade. Loosen for optimum bandsaw performance. See Figure 9 the locknuts on the tracking control knobs and for bandsaw tension and tracking control loca- turn the knobs clockwise or counter-clockwise tions. while turning the upper wheel by hand. The blade should track so the body of the blade is ce
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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 setscrews securing the guide block shafts. Adjust evenly 1 so that the front of the blocks are /64" behind the gullet line (See Figure 13) of the blade. Then loosen the guide block securing bolts (#65). Take a short piece of transparent tape Support and wrap one thickness of tape around the Bearings blade. Move the portion of the blade with the tape so that i
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Make sure there is no deflection of the Table Adjustment blade from the straightedge. Measure the distance between the edge of the miter gauge slot and the straightedge at points A The bandsaw table will tilt left 10° and right 45° and B. See Figure 12. Distance A should from horizontal. There is a positive stop adjusting be approximately equal to distance B. stud (#49) so the table can be re-set perpendicu- Adjust the table slightly until these dis- lar to the blade after tilting it left or rig
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Fence Adjustment Speed Changes Align the fence to the miter slot by first loosening Loosen the motor mounting bolts and move motor the two (2) bolts (#109) nearest the operator. Lock accordingly to slacken the V-Belt. It should now the lower lock knob and measure between the be easy to roll the belt onto the pulleys of choice. front edge of the fence (#114) and the front edge There are two pulleys on both the lower bandsaw of the miter slot. Compare this to a measurement wheel and the motor shaf
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SECTION 6: OPERATIONS The bandsaw is one of the most versatile Bandsaw Blades machines in the shop. It can cut miters, com- pound angles, simple and complex curves, cir- cles, and a wide variety of irregular shapes. It can also rip and crosscut, as well as cut a variety of A bandsaw blade is a delicate piece of steel sub- joints. The bandsaw will also resaw stock into jected to tremendous strain. Be sure you use thinner boards. quality blades of the proper width for the various types of cutting
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Changing Blades Gullet To remove the blade, ensure the power is dis- connected and: Tooth 1. Loosen tension on the blade by turning the tension control knob counter-clockwise when facing the front of the saw. See Figure 9. 2. Remove the table insert (#68) and table pin (#71). 3. Adjust upper and lower guide blocks away from the blade. Gullet Line 4. Open the upper and lower wheel covers Figure 13. Side and front views of a standard and slide the blade off both wheels. Use bandsaw blade. caution,
