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Table of contents for the manual
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Page 1
24" BANDSAW MODEL G7211/G7212 INSTRUCTION MANUAL COPYRIGHT ©1992 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. REVISED AUGUST, 2000 PRINTED IN TAIWAN DISCONTINUED MACHINE MANUAL DISCLAIMER THE INFORMATION IN THIS MANUAL REPRESENTS [...]
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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 masonr[...]
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G7211/7212 24" Bandsaw -1- Table Of Contents PAGE 1. SAFETY SAFETY RULES FOR POWER TOOLS ............................................................2-3 ADDITIONAL SAFETY INSTRUCTIONS FOR BANDSAWS ................................4 2. CIRCUIT REQUIREMENTS 220V OPERATION ...........................................................................[...]
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-2- G7211/7212 24" Bandsaw Safety Instructions For Power Tools SECTION 1: SAFETY 5. KEEP CHILDREN AND VISITORS AWAY. All children and visitors should be kept a safe distance from work area. 6. MAKE WORK SHOP CHILD PROOF with padlocks, master switches, or by removing starter keys. 7. DON’T FORCE TOOL. It will do the job better and safer at th[...]
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G7211/7212 24" Bandsaw -3- 9. USE PROPER EXTENSION CORD . Make sure your extension cord is in good condi- tion. Conductor size should be in accor- dance with the chart below. The amperage rating should be listed on the motor or tool nameplate. An undersized cord will cause a drop in line voltage resulting in loss of power and overheating. Your[...]
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-4- G7211/7212 24" Bandsaw Additional Safety Instructions For Bandsaws No list of safety guidelines can be com- plete. Every shop environment is different. Always consider safety first, as it applies to your individual working conditions. Use this and other machinery with caution and respect. Failure to do so could result in serious personal i[...]
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G7211/7212 24" Bandsaw -5- 220V Operation The motor supplied with the G7211 comes prewired for 220V. Refer to the wiring diagram supplied at the back of this manual for more spe- cific information about wiring connections. The G7212 is a 220V, three-phase motor and requires special electrical service. See section on three- phase operation on t[...]
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-6- G7211/7212 24" Bandsaw The Model G7212 has a 7.5 H.P. motor config- ured to operate under three-phase electrical serv- ice. Generally this type of electrical supply is only found in commercial or industrial locations. Connection to three-phase service should only be done by a qualified electrician. If you do not have three-phase service av[...]
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G7211/7212 24" Bandsaw -7- SECTION 3: INTRODUCTION Commentary We are proud to offer the Models G7211/G7212 24" Bandsaws. These bandsaws are part of a growing Grizzly family of fine woodworking machinery. When used according to the guide- lines set forth in this manual, you can expect years of trouble-free, enjoyable operation and proof of[...]
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-8- G7211/7212 24" Bandsaw Unpacking The bandsaw is shipped from the factory in a carefully packed carton. If you find the machine to be damaged after you’ve signed for delivery and the truck and driver are already gone, you will need to file a freight claim with the carrier. Save the containers and all packing materials for inspection by th[...]
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G7211/7212 24" Bandsaw -9- Clean Up The unpainted surfaces are coated with a waxy oil to protect it from corrosion during shipment. Remove this protective coating with a solvent cleaner or citrus-based degreaser such as Grizzly’s G7895 Degreaser. Avoid chlorine-based solvents as they may damage painted surfaces should they come in contact. A[...]
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-10- G7211/7212 24" Bandsaw SECTION 4: ASSEMBLY Fence Most of your G7211/G7212 24'' Bandsaw has been assembled at the factory. Only the fence assembly requires installation. To mount the fence to the bandsaw table: 1. Mount the front rail to the table using two (2) 5 / 16 - 18 x 2 1 / 2 '' Cap Screws and the two (2) Spacers[...]
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G7211/7212 24" Bandsaw -11- SECTION 5: ADJUSTMENTS Tracking To adjust the tracking: 1. Disconnect the bandsaw from the power source and open the top and bottom wheel covers. Adjust the upper and lower guide assemblies away from the blade. 2. Loosen the lock nut on the tracking knob. See Figure 3. Rotate the upper wheel by hand and adjust the t[...]
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-12- G7211/7212 24" Bandsaw Figure 6. Wheel alignment adjusting knobs. Adjusting Knobs Figure 5. Wheel alignment conditions. For proper operation of the bandsaw it is impor- tant that the upper and lower wheels be aligned so they are in the same plane. See Figure 5 to understand the relationship between the wheels. Wheel Alignment The adjustme[...]
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G7211/7212 24" Bandsaw -13- 5. Install your blade of choice. Track and ten- sion as per the instructions in this manual. 6. Move the blade guide assembly so the bearing guides are 1 / 16 " behind blade gul- lets. Tighten the guide assembly. 7. Now rotate the bearing guide shafts until the bearings are approximately 1 / 64 '' fro[...]
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-14- G7211/7212 24" Bandsaw To adjust the positive stop so the table will be per- pendicular to the blade: 1. Loosen the trunnion lock handle and check nut locking the positive stop adjusting bolt. See Figure 9. 2. Raise the upper blade guide assembly up and stand a machinist’s square or adjustable square on the table next to the side of the[...]
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G7211/7212 24" Bandsaw -15- Pre-Run Check Bandsaw Blades SECTION 6: OPERATIONS The bandsaw is one of the most versatile 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 joints. The bandsaw will also[...]
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-16- G7211/7212 24" Bandsaw Figure 10. Side and front views of a standard bandsaw blade. Gullet Line Gullet Tooth To remove the blade, ensure the power is discon- nected and: 1. Loosen tension on the blade by turning the tension control knob. 2. Remove the table insert and table pin. 3. Remove the fence and front fence rail. 4. Adjust upper gu[...]
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G7211/7212 24" Bandsaw -17- Changing Speeds The G7211/G7212 24" Bandsaw provides two speeds, 2800 and 3500 FPM, to make cutting easier. In many applications, blade speed is a matter of personal preference. Usually the higher speed will produce the best results, but if the motor is straining while cutting, try a slower blade speed. Blade s[...]
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-18- G7211/7212 24" Bandsaw Stacked Cuts One of the benefits of a bandsaw is its ability to cut multiple copies of a particular shape by stack- ing a number of workpieces together. Before making stacked cuts, it is essential to ensure that both the table and the blade are prop- erly adjusted to 90°. Otherwise, any error will be compounded wit[...]
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G7211/7212 24" Bandsaw -19- Cutting Curves When cutting curves, simultaneously feed and turn the stock carefully so that the blade follows the layout line without being twisted. If a curve is so abrupt that it would be necessary to repeated- ly back up and cut a new kerf, use either a nar- rower blade or a blade with more set to avoid that. A [...]
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-20- G7211/7212 24" Bandsaw SECTION 7: MAINTENANCE V-Belts To ensure optimum power transmission from the motor to the blade, the V-belt must be in good condition and operate under proper tension. Belts should be checked for cracks, fraying and wear. Belt tension should be checked at least every 3 months; more often if the bandsaw is used daily[...]
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G7211/7212 24" Bandsaw -21- Shielded and pre-lubricated ball bearings require no lubrication for the life of the bearings. All bear- ings are standard sizes and replacements can be purchased from our parts department or bearing supply store. As for other items on this machine, such as adjustment controls, an occasional “shot” of light oil [...]
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-22- G7211/7212 24" Bandsaw The following pages contain general machine data, parts diagrams/lists, and W arranty/Return information for your Model G7211/G7212 24" Bandsaw. If you need parts or help in assembling your machine, or if you need operational information, we encourage you to call our Service Department. Our trained service tech[...]
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G7211/7212 24" Bandsaw -23- Design Type: ......................................................................................................Floor Model Overall Dimensions: Table ............................................................................................................21 1 ⁄ 4 '' x 26'' Overall Height [...]
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-24- G7211⁄7212 24" Bandsaw Ref# Part# Description 001 P7211001 BODY 002 P7211002 BEARING BASE 003 P6206 6206 BEARING 004 P7211004 SHAFT 005 PK27M KEY 7 X 7 X 25 006 P7211006 HEX NUT 3 ⁄ 4 X 16NF 007 P7211007 BEARING COVER 008 P7211008 WASHER 3 ⁄ 4 " 009 P7211009 PAN SCREW 1 ⁄ 4 X 5 ⁄ 8 " 010 P7211010 ADJUSTING SCREW 011 P7[...]
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G7211⁄7212 24" Bandsaw -25- Ref# Part# Description 088 P7211088 LOCKING HANDLE 089 P7211089 LOCKING HANDLE 090 P7211090 LOWER GUIDE BRACKET 091 P7211091 BLADE SUPPORT SHAFT 091B P6202 BEARING 091C P7211091C GUIDE SHAFT 091D P7211091D SPACER 091E P7211091E C-RING S-15 092 P7211092 HEX SCREW 093 P7211093 CAP SCREW 1 ⁄ 4 X 5 ⁄ 8 " 094 [...]
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-26- G7211/7212 24" Bandsaw 125 40 39 46 38 37 37 36 5 34 35 33 21 22 21 28 29 27 15 30 31 32 26 26A 25 23 20 21 19 118 117 116 15 16 11 17 18 109 108 10 11 12 9 3 8 6 7 14 13 5 4 66 11 12 52 65 15 51 15 50 48 51 64 47 15 45 44 49 63 56 17A 59A 54 55 57 58 59 60 113 111 112 110 41 42 51 43 40 39 24 17 1 115 114 2 G7211/G7212 PARTS DIAGRAM[...]
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G7211/7212 24" Bandsaw -27- 53 5 21 12 11 63 11 11 11 17A 17A 17A 12 62 61 107 106 105 104 16 15 31 103 21 102 100 11 17 99 8 101 8 101 96 98 93 91 91B 91B 91C 95 16 85 15 91D 91E 75 76 74 59 89 15 86 85 88 87 97 90 94 92 8 93 78 79 77 120 82 80 81 68 83 73 72 69 67 70 71 84 G7211⁄G7212 PARTS DIAGRAM[...]
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-28- G7211/7212 24" Bandsaw MAN 1L1 To Foot Brake 3L2 5L3 13NO 2T1 4T2 6T3 SINGLE PHASE 220 VOLT POWER SOURCE MOTOR G7211 Switch Wire Diagram 14NC Ground 95 97 96 98 14 18 22 A U T O T E S T T1 2 T2 4 T3 6 17 18[...]
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G7211/7212 24" Bandsaw -29- MAN. 1L1 To Foot Brake 3L2 5L3 13NO 2T1 4T2 6T3 THREE PHASE 220 VOLT POWER SOURCE G7212 Switch Wire Diagram 14NC Ground 95 97 96 98 18 22 26 A U T O T E S T T1 2 T2 4 T3 6 17 18 Motor 1 7 2 8 3 9 45 6[...]
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-30- G7211/7212 24" Bandsaw Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of maintenance. This is Grizzly’s sole writ[...]
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CUT ALONG DOTTED LINE 9. How many of your woodworking machines are Grizzly? _____________ 10. Which benchtop tools do you own? Check all that apply. ___1" x 42" Belt Sander ___6" - 8" Grinder ___5" - 8" Drill Press ___Mini Lathe ___8" Table Saw ___10" - 12" Thickness Planer ___8" - 10" Bandsaw [...]
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TAPE ALONG EDGES--PLEASE DO NOT STAPLE FOLD ALONG DOTTED LINE FOLD ALONG DOTTED LINE GRIZZLY INDUSTRIAL, INC. P.O. BOX 2069 BELLINGHAM, WA 98227-2069 Place Stamp Here Name_______________________________ Street_______________________________ City______________State______Zip______ Send a Grizzly Catalog to a friend:[...]