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Table of contents for the manual
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-1- IMPORTS, INC. GEAR HEAD MILL / DRILL MODEL G1126 INSTRUCTION MANUAL COPYRIGHT © 1994 BY GRIZZLY IMPORTS, INC. WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY IMPORTS, INC. PRINTED IN USA, SEPTEMBER, 1994[...]
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-3- TABLE OF CONTENTS PAGE I. INTRODUCTION ......................................................................................................................1 II. COMMENTARY ........................................................................................................................1 III. SAFETY RULES FOR ALL TOOLS ..................[...]
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I. INTRODUCTION We are proud to offer the Model G1126 Gear-Head Mill / Drill. The Model G1126 is part of a grow- ing Grizzly family of fine metalworking machinery. When used according to the guidelines described in this manual, you can expect years of trouble-free, enjoyable operation and proof of Grizzly’s com- mitment to customer satisfaction. [...]
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- 2- The specifications, drawings and photographs in this manual represent the Model G1126, as sup- plied when the manual was prepared. However, owing to Grizzly’s policy of continuous improve- ment, changes to the Model G1126 may be made at any time with no obligation on the part of Grizzly. The information in this manual has been obtained from [...]
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- 3 - 5. KEEP WORK AREA CLEAN. Cluttered areas and benches invite accidents. 6. AVOID DANGEROUS ENVIRONMENTS. Do not use power tools in damp or wet locations or expose them to rain. Keep your work area well lighted. 7. KEEP CHILDREN AND VISITORS AWAY. All children and visitors should be kept a safe dis- tance away from your work area. 8. MAKE WORKS[...]
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- 4 - V. PIECE INVENTORY Take a quick inventory of the parts and put them aside for assembly later. Since the majority of the Model G1126 is pre-assembled at the factory, there aren’t a lot of items to inventory. You should have the following: • Mill / Drill Unit • Power Feed • Fly Cutter • Handwheels • Adjustment Wrench • Flycutter ?[...]
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- 5 - VI. CLEAN-UP BEFORE ASSEMBLY All of the unpainted surfaces on this machine – and a few of the painted ones – are coated with a preservative oil, called Cosmolene, which prevents rust and corrosion during shipping. The coating can be removed with paint thinner (mineral spirits) and a good supply of paper towels, although you may find that [...]
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- 6 - VIII. ELECTRICAL SERVICE REQUIREMENTS The Model G1126 is furnished with a complete electrical package: A 1,720 RPM 1 1 / 2 H.P. motor, ON- OFF starter switch, FORWARD/REVERSE switch and a cord set. The motor is single phase and can be wired for 110V or 220V. As delivered, the G1126 is ready for 110V operation. If you want 220V operation, the [...]
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- 7- - 7 - IX. ASSEMBLY Figure 2 The Model G1126 is largely pre-assembled at the factory, so very little actual assembly is required. The motor is already mounted and all wiring is in place. The remaining parts which require assem- bly are: A. Power Feed B. Handwheels C. Cutter / Arbor Installation The necessary assembly can be accomplished with a [...]
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-8 - -8- 3. When the auto feed and the clamping bracket are secured together, set the assembly on the end of the table, so the gears mesh. The clamping bracket will fit over the top of the table, allow- ing the bolts on the inboard side of the bracket to be tightened against the table’s cast iron sur- face. Mark the point on the table’s trough [...]
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-9 - -9- B. HANDWHEELS When the auto-feed mechanism is in place, attach the handwheel to the other end of the leadscrew. The handwheel coupling will lock, like the auto-feed mechanism, with the coupling on the leadscrew. Tighten the setscrew once the handwheel is in place. Attach the other handwheel to the leadscrew at the front of the base casting[...]
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-1 0 - -10- B. POWER FEED X. OPERATION The bench-mounted Model G1126 Gear-Head Mill / Drill is a fundamental metalworking machine capable of most standard milling and drilling operations. In order to effectively use the machine, it’s necessary to understand the various adjustments the Model G1126 features. This section deals with the specific adj[...]
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-1 1 - -11- C. COLUMN HEIGHT The Model G1126 is capable of reaching a maximum spindle-to-table distance of 18 1 / 2 ", making it an ideal choice for a wide variety of milling operations. Column height is adjusted by a large crank handle on your left side, when facing the front of the machine. To make height adjustments: 1. Loosen the two clamp[...]
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-1 2 - -12- Gear Ranges – Model G1126 D. SPINDLE SPEED The Model G1126 features an internally-geared head which offers six speeds, both in forward and reverse. Speed selection levers are located on the front of the mill head. See the chart below for specific spindle speeds in each gear range. Levers L1 L2 L3 H1 H2 H3 Spindle RPM 60 130 230 450 80[...]
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-1 3 - -13- Figure 9 G. DOWNFEED LIMITER The downward movement of the spindle assembly can be limited by using the adjusting knob mounted on the forward portion of the feed base, just below the depth stop gauge on the front of the mill head. See Figure 10. Limiter distance can be set by using the indicator on the front of the milling head. Figure 1[...]
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-1 4 - -14- H. HEAD ROTATION The milling head on the Model G1126 is designed to swing up to 90° either left or right at the mill head, enabling it to perform tasks such as angled drilling or horizontal slotting. To rotate the head: 1. Loosen the lock nuts on either side of the milling head. See Figure 11. NOTE: Make sure to provide support for the[...]
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-1 5 - -15- on the adjuster midway along the leadscrew. The longitudinal leadscrew adjuster can be tightened with a long Allen wrench reached under the table. Once again, the setscrew in the tension adjuster is located just above the longitudinal leadscrew. These adjusters may require you to fabricate extensions for your hex wrenches. Make adjustme[...]
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- 16 - XIII. MACHINE DATA GRIZZLY MODEL G1126 GEAR-HEAD MILL / DRILL Design Type ..................................................................................................................Bench Model Overall Dimensions: Height ....................................................................................................................[...]
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XIV. WARRANTY AND RETURNS LIMITED WARRANTY Grizzly Imports, Inc. warrants every product it sells for a period of one year on all parts and one year on all electric motors 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 alter- [...]
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-1 8 - -18- XV. MODEL G1126 PARTS DIAGRAMS A. MODEL G1126 MILL / DRILL HEAD PARTS DIAGRAM[...]
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-1 9 - -19- B. MODEL G1126 MILL / DRILL TABLE PARTS DIAGRAM[...]
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- 20 - 1-01 1 Arbor Bolt Cover 1-02 1 Arbor Bolt 1-04 1 C-Retainer Ring 1-05 2 Ball Bearing (6008zz) 1-06 1 Spindle Sleeve Gear 1-07 1 Oil Seal 1-08 1 Seal Retainer 1-09 1 Cap 1-10 1 C-Retainer Ring 1-11 1 Head Body 1-12 2 Rubber Flange 1-13 1 Feed Base 1-14 2 Lock Nuts 1-15 1 Taper Roller Bearing (30206j) 1-16 1 Rack Sleeve 1-17 1 Spindle Shaft 1-[...]
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-2 1 - -21- 1-94 1 Support Base 1-95 1 Handle 1-96 2 Oil Seal 1-101 1 Raise Head Bracket 1-102 4 Limit Plate 1-103 1 Spring Cover 1-104 1 Spring 1-105 1 Spring Base 1-106 1 Pinion Shaft 1-107 1 Worm Gear 1-108 1 Feed Cover 1-110 1 Spring Base 1-111 1 Lock Bolt With Knob 1-115 1 Spring 1-134 1 Hex Head Bolt 1-135 1 Hex Nut 1-136 1 Spring Pin 1-137 1[...]