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Grizzly G9742 Owner's Manual

5"x 6" metal-cutting bandsaw w/ swivel head
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MODEL G9742
5" x 6" METAL-CUTTING
BANDSAW w/ SWIVEL HEAD
OWNER'S MANUAL
Copyright © NoVEMBEr, 2005 By grizzly iNdustrial, iNC. rEVisEd july, 2008 (tr)
WARNING: NO pORTION Of THIS MANUAL MAy BE REpRODUCED IN ANy SHApE
OR fORM WITHOUT THE WRITTEN AppROVAL Of GRIzzLy INDUSTRIAL, INC.
#pC7670 priNtEd iN ChiNa

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Summary of Contents for Grizzly G9742

  • Page 1 BANDSAW w/ SWIVEL HEAD OWNER'S MANUAL Copyright © NoVEMBEr, 2005 By grizzly iNdustrial, iNC. rEVisEd july, 2008 (tr) WARNING: NO pORTION Of THIS MANUAL MAy BE REpRODUCED IN ANy SHApE OR fORM WITHOUT THE WRITTEN AppROVAL Of GRIzzLy INDUSTRIAL, INC.

  • Page 3: Table Of Contents

    Troubleshooting..........27 Clean.Up............12 Blade.Change..........29 Site.Considerations........12 Blade.Tracking..........30 Cabinet,.Wheels.&.Feet........ 13 Electrical.Components........31 Squaring.Vise.to.Blade......... 15 G9742.Wiring.Diagram......... 32 Chip.Tray.&.Cast.Iron.Stop......16 Saw.Parts.Breakdown........33 OFF.Button.Lever......... 16 Stand.Parts.Breakdown........ 35 Pulley.Cover..........17 Guides.&.Shafts.Parts.Breakdown....37 Test.Run............18 Labels.Parts.Breakdown....... 38 Recommended.Adjustments.

  • Page 4: Introduction

    INTRODUCTION foreword Contact Info We are proud to offer the Model g9742 5" x 6" if you have any comments regarding this manual, Metal-Cutting Bandsaw with swivel head. this please write to us at the address below: machine is part of a growing grizzly family of fine metalworking machinery.

  • Page 5: Machine.data.sheet

    Machine Data Sheet MACHINE DATA SHEET Customer service #: (570) 546-9663 · to order Call: (800) 523-4777 · Fax #: (800) 438-5901 MODEL G9742 4" X 6" METAL-CUTTING BANDSAW W/ SWIVEL HEAD Product Dimensions: Weight................................150 lbs. length/Width/height......................... 39 x 23-3/8 x 54-3/4 in.
  • Page 6 The information contained herein is deemed accurate as of 7/8/2008 and represents our most recent product specifications. Model G9742 PAGE 2 OF 2 Due to our ongoing improvement efforts, this information may not accurately describe items previously purchased. g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 7: Identification

    Identification figure 1. The.Model.G9742. A. Blade.Tension.Knob B. Blade.Guide.Knob C. Blade.Guides D. Pulley.Cover E. Heavy.Duty.Motor Hydraulic.Cylinder.and.Feed.Rate.Dial G. ON/OFF.Push-Button.Switch.Assembly H. Table.Angle.Scale Cast.Iron.Stop Vise.Clamp.Handwheel K. Gear.Box Blade.Tension.Gauge g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 8: Section 1: Safety

    Safety Instructions for Machinery g9742 5" x 6" Metal Cutting Bandsaw...
  • Page 9 5" x 6" Metal Cutting Bandsaw...

  • Page 10: Metal.cutting.bandsaw.safety

    No list of safety guidelines can be complete. Every shop environment is different. Like all machines there is danger associated with the Model G9742. Accidents are frequently caused by lack of familiarity or failure to pay attention. Use this machine with respect and caution to lessen the possibility of operator injury.

  • Page 11: Section 2: Circuit Requirements

    2. Recommended.plug.types. NOTICE Extension Cords The Model G9742 is prewired for 110V oper- Using.extension.cords.may.reduce.the.life.of.the. ation. If you plan to operate your machine motor.. Instead,. place. the. machine. near. a. power. at 220V, the motor must be rewired (see source..If.you.must.use.an.extension.cord:...

  • Page 12: Section 3: Set Up

    Customer. your machine—get assis- Service.at.(570).546-9663.for.advice.. tance. Save.the.containers.and.all.packing.materials.for. possible. inspection. by. the. carrier. or. its. agent.. Otherwise,.filing.a.freight.claim.can.be.difficult. When.you.are.completely.satisfied.with.the.con- dition.of.your.shipment,.you.should.inventory.the. contents. -10- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 13: Inventory

    J.. Work.Stop.Shaft.......... 1 ency,.replacements.can.be.obtained.at.your.local. K.. Work.Stop............ 1 hardware.store. L.. Belt.Cover............ 1 M.. V-Belt............1 figure 3. G9742.Loose.parts.inventory. -11- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 14: Clean.up

    Lock all entrances to the shop when you are away and DO NOT allow unsupervised children or visitors in your shop at any time! figure 4. Cleaner/degreaser.available.from. Grizzly. -12- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 15: Cabinet,.Wheels.&.Feet

    1.. At. the. end. of. the. base. with. the. axle. holes,. insert.the.axle.into.the.base.(see.figure 6). 2.. Slide. a. 17mm. flat. washer. and. wheel. onto. each. end. of. the. axle,. followed. by. another. washer.and.cotter.pin. 3.. Thread.a. ⁄ -16.hex.nut.on.both.feet.. 4.. Thread.the.two.rubber.feet.into.the.base.(see. figure 7..Front.and.rear.panels.installed. figure 6). -13- g9742 5" x 6" Metal Cutting Bandsaw...
  • Page 16 10.. With. the. help. of. an. assistant. or. a. hoisting. device,.place.the.bandsaw.onto.the.cabinet. 11.. Secure.the.bandsaw.to.the.cabinet.with.four. M8-1.25.x.30.hex.bolts.and.8mm.flat.washers. (see.figure 10). figure 8..Left.Panel.installed. 9.. Position. the. right. panel. between. the. front. and.rear.panel,.and.secure.it.in.place.with.six. M6-1.x.12.Phillips.head.screws.and.flat.wash- ers.(see.figure 9). figure 10..Attaching.bandsaw.to.cabinet. figure 9..Installing.right.panel. -14- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 17: Squaring.vise.to.blade

    Square Lock.Lever when.the.cut.is.complete. figure 13..Squaring.vise.to.blade,.headstock,. and.table.scale. figure 11. Removing.shipping.strap. 3.. Using. a. small. machinists. square,. adjust. the. vise.so.it.is.square.to.the.blade. 4.. Tighten.the.two.cap.screws,.so.the.vise.and. blade.are.square.with.one.another. figure 12. Feed.stop.bolt. -15- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 18: Chip.tray.&.Cast.iron.stop

    2.. Push. down. on. the. OFF. button. lever. so. the. 3.. Using. the. 4mm. hex. wrench,. tighten. the. set. button.is.completely.depressed. screw.shown.in.figure 15. 3.. While.keeping.the.lever.depressed,.use.your. fingertips.to.turn.the.stop.bolt.until.the.head. touches.the.lever. 4.. Back.off.the.stop.bolt. ⁄ .turn.and.tighten.the. jam.nut. Set.Screw Set.Screw figure 15..Installing.stop.rod. 4.. Slide.the.cast.iron.stop.onto.the.stop.rod. and.tighten.the.set.screw. -16- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 19: Pulley.cover

    To install the pulley cover: Belt.Tension. 1.. UNPLUG.THE.BANDSAW! Knob 2.. Position. and. rotate. the. pulley. cover. into. place.as.shown.in.figure 17. figure 18..Belt.tension.knob. 3.. Install.the.two. ⁄ -20.x. ⁄ ".hex.bolts.and.wash- ers.that.secure.the.pulley.cover. figure 17..Positioning.the.pulley.cover. -17- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 20: Test.run

    ON/OFF. switch. at. all. times. dur- ing. the. test. run.. The. bandsaw. should. run. smoothly.with.little.or.no.vibration. —.If.you.suspect.any.problems,.immediately. stop. the. bandsaw. and. correct. before. con- tinuing. —If. you. need. any. help. with. your. bandsaw. call.our.Tech.Support.at.(570).546-9663. -18- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 21: Section 4: Operations

    Regardless of the con- tent in this section, Grizzly Industrial will not be held liable for accidents caused by lack of training. Motor.Pulley Wheel.Pulley figure 20. V-belt.positions.in.FPM. 4.. Tension.the.V-belt.as.described.in.the.pulley Cover section.on.page 17. -19- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 22: Blade.selection

    Listed. in. the. box. is. the. minimum. TPI.recommended.for.the.variable.tooth.pitch. •. For. a. slower. but. smoother. cut,. use. a. blade. blades,.and.the.TPI.for.bimetal.raker.blades. with.more.TPI.and.a.lower.feed.rate. in.parentheses.. figure 21. Blade.selection.chart..Note:.The TPI numbers in parentheses apply to bimetal/HSS blades only. -20- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 23: Feed.rate

    23). Feed.Rate.Dial Chips.are.width. of.tooth,.thin.and. curled,.and.silvery:. Optimum.speed.and. figure 22..Bandsaw.feed.rate.control. feed.rate. Turning.the.valve.lever.in-line.with.the.piping.(as. Chips.are.silvery,. shown.in.the.figure 22).opens.it.up,.which.allows. thin,.small,.or. the.fluid.to.circulate.and.allows.the.head.to.move.. powdery:.Increase. Turning.the.valve.lever.sideways.or.perpendicular. feed.rate. to.the.pipiing.closes.it,.which.locks.the.headstock. in.place. Chips.are.large,. curled,.blue.or. The.feed.rate.dial.controls.the.amount.of.fluid.that. brown,.or.smoking:. circulates. around.the.hydraulic.cylinder,.which.in. Decrease.feed.rate. turn,.controls.the.speed.that.it.moves. figure 23..Reading.chips. -21- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 24: Blade.guides

    Tracking on Pages 23 and 30 for further instruc- tions. 1.. UNPLUG.THE.BANDSAW! 2.. Let. the. bandsaw. headstock. park. in. the. full. down.position. 3.. Using. a. 12mm. wrench,. loosen. the. guide. figure 26..Blade.guide.position.lock.knob. bearing. adjustment. hex. bolt. (see figure 25). -22- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 25: Blade.tension

    Model •. Let.the.blade.reach.full.speed.before.engag- g9742 features a blade tension indicator to assist ing.the.workpiece..Never.start.a.cut.with.the. you with blade tensioning. blade. in. contact. with. the. workpiece. (see. figure 27).

  • Page 26: Section 5: Accessories

    H5408—Blade Tensioning Gauge T20640—Machinery’s Handbook The.Blade.Tensioning.Gauge.ensures.long.blade. For.more.than.90.years,.this.handbook.has.been. life,.reduced.blade.breakage,.and.straight.cutting. the. benchmark. by. which. machinists’. and. engi- by.indicating.correct.tension..A.precision.dial.indi- neering.texts.have.been.judged..Includes.a.wealth. cator.provides.you.with.a.direct.readout.in.PSI. of.information.on.mathematics,.mechanics,.mea- surements,. and. materials.. A. must. have. for. the. amateur.or.professional. figure 29. H5408.blade.tensioning.gauge. figure 31. Machinery’s.Handbook. -24- g9742 5" x 6" Metal Cutting Bandsaw...
  • Page 27 Features. stainless. tions.. Buy. extras. for. visitors. or. employees.. You. steel,. shock. resistant. construction. and. a. dust. can't.be.too.careful.with.shop.safety! proof.display. T20448 T20452 T20501 T20456 H0736 figure 33. Our.most.popular.eye.protection. figure 35. Grizzly .dial.calipers. ® -25- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 28: Section 6: Maintenance

    E. Vise Lead Screw: Drop.a.few.drops.of.light. Annual Check machine.oil.on.the.vise.lead.screw.weekly. • Inspect gear lubrication. Cleaning Cleaning the Model G9742 is relatively easy. Keeping.metal.chips.away.from.bandsaw.mecha- nisms. is. important. to. making. sure. that. your. bandsaw. lasts. a. long. time.. Use. a. shop. vacuum. or.brush.off.metal.chips.frequently.. figure 36. Lubrication.points.

  • Page 29: Section 7: Service

    2. Blade is at fault. 2. replace/resharpen blade. 3. gearbox is at fault. 3. rebuild gearbox for bad gear(s)/bearing(s). 4. Wrong blade & too slow of speed. 4. Change blade and or speed. -27- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 30: Bandsaw Operations

    4. refer to Changing the Blade on page 29 and replace the blade. 5. the blade speed is wrong. 5. refer to Changing Blade Speed on page 19, and adjust as required. -28- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 31: Blade.change

    Guards —if the tracking needs to be adjusted, refer to the Tracking procedure in the next sec- tion. figure 38..Blade.guide.guards.and.fasteners. —if the tracking is fine, proceed to Blade Tension on page 23. -29- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 32: Blade.tracking

    11. Adjust.the.blade.guides.as.needed..Refer.to. (figure 40). Blade Guides.on.page 22 tracking set screw lower Cap screw figure 40. adjusting tracking set screw. relax the blade tension. -30- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 33: Electrical.components

    Electrical Components figure 41. Capacitor. figure 43. Switch.wiring.rear.view. figure 42. Switch.wiring.right-hand.view. figure 44. Switch.wiring.left.hand.view. -31- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 34: G9742.Wiring.diagram

    Black Wire number Wire Color Gray White White 1 = Black Black Black Gray 2 = Yellow Yellow Yellow 3 = Red 4 = Gray Pushbutton Magnetic Bandsaw Motor Switch Electrical Box -32- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 35: Saw.parts.breakdown

    Saw parts Breakdown -33- g9742 5" x 6" Metal Cutting Bandsaw...
  • Page 36 P9742081 BODY FRAME PSB04 CAP SCREW 1/4-20 X 1/2 PB41 HEX BOLT 1/2-12 X 1-1/2 PN02 HEX NUT 5/16-18 P9742084 MOTOR MOUNT PLATE PB58 HEX BOLT 3/8-16 X 2 P9742089 OIL SEAL -34- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 37: Stand.parts.breakdown

    Stand parts Breakdown -35- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 38: Stand Parts List

    HEX NUT M8-1.25 PSB05 CAP SCREW 1/4-20 X 3/4 P9742366 RUBBER FOOT 3/8-16 X 1" PLW02 LOCK WASHER 1/4 PW03M FLAT WASHER 6MM P9742300 BASE PS14M PHLP HD SCR M6-1 X 12 -36- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 39: Guides.&.Shafts.parts.breakdown

    FLAT HD SCR 1/4-20 X 1/2 PRP39M ROLL PIN 4 X 20 P9742069 DEFLECTOR PLATE P9742106 SHAFT BLOCK PN08 HEX NUT 3/8-16 P9742107 BLADE WHEEL SHAFT PK23M KEY 5 X 5 X 25 PLW04 LOCK WASHER 3/8 -37- g9742 5" x 6" Metal Cutting Bandsaw...

  • Page 40: Labels.parts.breakdown

    MUST maintain the original location and readability of the labels on the machine. If any label is removed or becomes unreadable, REpLACE that label before using the machine again. Contact Grizzly at (800) 523-4777 or www.grizzly.com to order new labels. -38-...

  • Page 43: Warranty And Returns

    WARRANTy AND RETURNS...

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