Grizzly G0641 Owner's Manual

Double miter saw

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MODEL G0641

DOUBLE MITER SAW

OWNER'S MANUAL

WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

#TS9874 PRINTED IN TAIWAN

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Summary of Contents for Grizzly G0641

Page 1 MODEL G0641 DOUBLE MITER SAW OWNER'S MANUAL COPYRIGHT © JANUARY, 2008 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. #TS9874 PRINTED IN TAIWAN...
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Page 3: Table Of Contents
INTRODUCTION ... 2 Foreword ... 2 Contact Info ... 2 Machine Data Sheet ... 3 Identification ... 4 SECTION 1: SAFETY ... 5 Safety Instructions for Machinery ... 5 Safety Instructions for Double Miter Saws ... 7 SECTION 2: CIRCUIT REQUIREMENTS ... 8 220V Single-Phase ...
Page 4: Introduction
INTRODUCTION Foreword We are proud to offer the Model G0641 Double Miter Saw. This machine is part of a growing Grizzly family of fine woodworking machinery. When used according to the guidelines set forth in this manual, you can expect years of trouble-free, enjoyable operation and proof of Grizzly’s commit-...
Page 5: Machine Data Sheet
�� G0641 Double Miter Saw �� machine data sheet �� ...
Page 6: Identification
B. Transparent Guard C. Front Guard D. Oil Reservoir E. Safety Hood ON/OFF Magnetic Switch Identification Figure 1. Model G0641 identification. G. Right Extension Wing H. Pneumatic Connections Access Door Foot Pedal Actuator Waste Chute K. Dust Port 4" G0641 Double Miter Saw...
Page 7: Section 1: Safety
�� G0641 Double Miter Saw �� ...
Page 8 �� G0641 Double Miter Saw...
Page 9: Safety Instructions For Double Miter Saws
Use this machine with respect and caution to lessen the possibility of operator injury. If normal safety precautions are overlooked or ignored, serious personal injury may occur. G0641 Double Miter Saw DISCONNECT AIR PRESSURE. To avoid the risk of unintentional operation, discon- nect air pressure when the machine is not in use.
Page 10: Section 2: Circuit Requirements
Use at least a 12 gauge cord that does not exceed 50 feet in length. • The extension cord must have a ground wire and plug pin. • A qualified electrician MUST size cords over 50 feet long to prevent motor damage. G0641 Double Miter Saw...
Page 11: Section 3: Setup
Get lifting help or use power lifting equipment such as a forklift to move heavy items. G0641 Double Miter Saw Items Needed for Setup The following items are needed to complete the setup process, but are not included with your...
Page 12: Inventory
⁄ " SUFFOCATION HAZARD! Immediately discard all plas- tic bags and packing materi- als to eliminate choking/suf- focation hazards for children and animals. G0641 Double Miter Saw...
Page 13: Clean Up
The unpainted surfaces are coated with a waxy oil to prevent corrosion during shipment. Remove this protective coating with a solvent cleaner or citrus-based degreaser such as Grizzly’s G7895 Citrus Degreaser. To clean thoroughly, some parts must be removed. For optimum performance from your machine, clean all moving parts or sliding contact surfaces.
Page 14: Moving & Placing Machine
Moving & Placing Machine The Model G0641 is a heavy machine. Serious personal injury may occur if safe moving methods are not used. To be safe, get assistance and use a forklift rated for 1500 lbs. to move the shipping crate and remove the machine from the crate.
Page 15: Mounting To Shop Floor
Anchor Stud Lag Anchor & Bolt Figure 7. Typical fasteners for mounting to concrete floors. G0641 Double Miter Saw Using Machine Mounts Using machine mounts, shown in Figure 8, gives the advantage of fast leveling and vibration reduc- tion. The large size of the foot pads distributes the weight of the machine to reduce strain on the floor.
Page 16: Assembly
Adjust the supporting leg floor mounts so that the extension wings are level with the table, then tighten the jam nuts on the floor mounts to secure the settings. Hex Bolts & Flat Washers saw table. G0641 Double Miter Saw...
Page 17: Air Supply
(see Figure 11). Air Inlet Valve Figure 11. Air regulator-lubricator. G0641 Double Miter Saw Lift up on the air pressure knob (see Figure 11), and turn it to adjust the air pressure dial to 70 PSI, then push the knob down to lock the setting.
Page 18: Dust Collection
Dust Collection DO NOT operate the Model G0641 without an adequate dust collection system. This saw creates substantial amounts of wood dust while operating. Failure to use a dust collec- tion system can result in short and long-term respiratory illness.
Page 19: Test Run
Always disconnect the machine from power when investigating or correcting potential problems. Turn the power OFF. G0641 Double Miter Saw Press the foot pedal actuator—the hold- downs and blades should lower. Lift your foot from the pedal—the blades and hold-down should raise.
Page 20: Section 4: Operations
-18- Operational Overview The Model G0641 was designed to make two pre- cise and matching 45° cuts in a high-production shop. This is accomplished by using two opposing 12" saw blades and motors, with the blades rotat- ing down through the workpiece in guillotine-type movement.
Page 21: Hold-Downs
The purpose of the pneumatic hold-downs is to secure the stock in the desired position up against the fence and to prevent the workpiece from being drawn into the center of the saw by the rotational force of the blades. The pneumatic hold-downs must be cor-...
Page 22: Lowering Speeds
To adjust the lowering rate of the hold- downs: DISCONNECT SAW FROM POWER! Remove the two thumb screws from the front guard and raise it to the upper position. G0641 Double Miter Saw...
Page 23: Fence Stop
When you are satisfied with the adjustment, re-tighten the jam nut, then lower and secure the front guard. G0641 Double Miter Saw fence stop Fence Stop Use the fence stop for repetitive cuts of the same dimensions. Loosen the lock lever, slide the stop along the fence rail to the correct setting, then re- tighten the lever (see Figure 19).
Page 24: Replacing Blades
Always wear heavy leath- er gloves when handling saw blades. The Model G0641 comes with two high-quality 12", 120-tooth blades. For best cutting results, select replacement blades that are designed for miter cuts and are of high quality.
Page 25: Section 5: Accessories
Figure 23. G1955 OxiSolv G0641 Double Miter Saw Forest ChopMaster H4751—12", 80 TPI, 1" Arbor This top quality miter saw produces perfectly cut miter joints.
Page 26 G2820—8 oz. G2821—1 pint These Campbell Hausfeld™ lubricants offer out- standing heat displacement and friction reduction without eating away at O-rings and other rubber components. Figure 29. Campbell Hausfeld™ Air Compressor & Tool Oil G0641 Double Miter Saw T20452 H0736...
Page 27 A retractable 7 meter polyester band offers exceptional clamping power. Figure 31. Bessey High Torque Band Clamp. ® G0641 Double Miter Saw G3326—Bessey Angle Clamp 3" ® Excellent for cabinetmaking, furniture assembly, and framing, these clamps are designed to con- sistently hold and secure stock at a 90°...
Page 28: Section 6: Maintenance
Keep tables rust-free with regular applications of products like G96 Gun Treatment, SLIPIT ® Boeshield T-9 (see Page 24 for more details). ® G0641 Double Miter Saw , or ®...
Page 29: Lubrication
Lubrication For the many moving parts of the Model G0641, there are three lubrication systems: 1) the pneu- matic oiler attached to the air regulator-lubricator, 2) the lower pivot arm automatic oil system, and 3) manual lubrication of the arbor housings and remaining pivot points.
Page 30 Brush a small amount of multi-purpose grease on and around the main ram pivot point (see Figure 38). Main Ram Pivot Point Figure 38. Main pneumatic ram pivot point (shown through the rear cabinet access). G0641 Double Miter Saw Pivot Points...
Page 31: V-Belt Maintenance
Always wear heavy leath- er gloves when handling saw blades. G0641 Double Miter Saw Use a 14mm wrench on the inner arbor nut (see Figure 40) and a 19mm wrench on the arbor bolt to remove the arbor bolt, arbor flange, and saw blade.
Page 32 13. Re-install the side blade guard and the saw blade. Note: The arbor flange MUST be installed to ensure the blade is safely secure. 14. Re-install the inner blade guard and secure the front guard in the lower position. G0641 Double Miter Saw ��...
Page 33: Section 7: Service
9. Motor bearings are at fault. 10. Motor has overheated. 11. Contactor not getting energized or has poor contacts. 12. Motor is at fault. G0641 Double Miter Saw Troubleshooting Possible Solution 1. Secure front guard to the down working position; replace faulty safety switch.
Page 34 3. Replace bakelite inserts (Part No. 135 & 135) or aluminum block (Part No. 134) (see Page 41). 4. Adjust blade lowering/raising speeds while mak- ing test cuts on scrap piece of same material to be used for production run, using trial-and-error adjust- ments. G0641 Double Miter Saw...
Page 35 Blade pivot arms not 1. Master or sub-valve at fault. raising after cut. 2. Foot pedal actuator at fault. G0641 Double Miter Saw Possible Solution 1. Connect machine to an air supply of 70–90 PSI; adjust air regulator-lubricator and inter- nal air regulator to 70 PSI.
Page 36: Aligning Pivot Arm Assembly
Figure 46. Pivot arm assembly alignment bolt. With the machine still disconnected from power and your hands away from the blades, press the foot pedal actuator to bring the blades down and into the miter slots. G0641 Double Miter Saw...
Page 37: Pneumatic Limit Switch
11. Make a cut to confirm that the blades cut a 45° angle. Repeat the steps above if neces- sary. G0641 Double Miter Saw limit switch Pneumatic Limit Switch The pneumatic limit switch (see Figure 48) is activated when the blades and pivot arms raise to their uppermost position.
Page 38: Electrical Wiring Diagram
Figure 50. Junction block inside pneumatic cabinet. To Motors (Page 37) �� Figure 51. Safety switch wiring. �� G0641 Double Miter Saw �� ...
Page 39: Motor Wiring Diagram
�� Figure 52. Left-hand motor wiring. �� G0641 Double Miter Saw �� Figure 53. Right-hand motor wiring.
Page 40: Pneumatic System Diagram
(Ref. 505, Page 47) Sub-Valve (5-Outlet) (Ref. 533, Page 47) (Ref. 511, Page 47) � � Blade Lowering Adjustable Pressure Valve (Ref. 517, Page 47) Air Regulator/ Lubricator Blade Raising Adjustable Pressure Valve (Ref. 517, Page 47) G0641 Double Miter Saw...
Page 41: Section 8: Parts
� � �� -39- G0641 Double Miter Saw...
Page 42: Cabinet Parts List
DOOR LATCH P0641025 CABINET P0641026 DUST PORT 4" PSB50M CAP SCREW M5-.8 X 10 P0641028 CABINET FRAME FRONT PS21M PHLP HD SCR M4-.7 X 15 P0641031 CABINET PLATE FRONT PS08M PHLP HD SCR M5-.8 X 12 G0641 Double Miter Saw...
Page 43: Drive System
Drive System Breakdown �� G0641 Double Miter Saw �� ...
Page 44 HEX NUT M6-1 P0641139 MOTOR BASE LEFT P0641140 ADJUSTING PLATE PSB02M CAP SCREW M6-1 X 20 PSS09M SET SCREW M8-1.25 X 20 P0641143 BLADE SIDE GUARD P0641144 ARBOR LEFT P0641145 ARBOR BOLT M12-1.75 X 40 LH G0641 Double Miter Saw...
Page 45: Pivot Linkage
P0641205 TIE-ROD P0641206 PIVOT BRACKET PW04M FLAT WASHER 10MM PSB84M CAP SCREW M10-1.5 X 35 P0641209 DRILLED HEADLESS CLEVIS PIN P0641210 HAIRPIN COTTER PIN 160MM G0641 Double Miter Saw �� ...
Page 46: Extension Wings
HEX BOLT M8-1.25 X 20 WING SUPPORT BRACKET EXTENSION WING RIGHT EXTENSION WING LEFT FENCE LEFT FLAT WASHER 8MM CAP SCREW M8-1.25 X 20 FLAT WASHER 5MM CAP SCREW M5-.8 X 12 PHLP HD SCR M5-.8 X 12 G0641 Double Miter Saw...
Page 47: Electrical & Lubrication Systems
Electrical & Lubrication Systems Breakdown �� -45- G0641 Double Miter Saw...
Page 48 SWITCH COVER 412-5 P0641412-5 SWITCH COVER SCREW P0641413 STRAIN RELIEF 22MM P0641414 STRAIN RELIEF 17MM P0641415 SAFETY SWITCH P0641416 STRAIN RELIEF 14MM P0641417 STRAIN RELIEF 20MM P0641418 POWER CORD P0641419 MOTOR CORD P0641420 OIL LINE 4MM OD G0641 Double Miter Saw...
Page 49: Pneumatic System
Pneumatic System Breakdown �� G0641 Double Miter Saw �� ...
Page 50 P0641532 MAIN AIR CYLINDER P0641533 VALVE 6-OUTLET P0641534 CONNECTOR 1/4" X 1/8" P0641535 ADJUSTABLE PRESSURE VALVE 1/4" P0641536 HOLD-DOWN AIR CYLINDER P0641537 ADAPTER 1/2" X 3/8" P0641538 AIR LINE 5MM/ID 8MM/OD P0641539 AIR LINE 4MM/ID 6MM/OD G0641 Double Miter Saw...
Page 51: Label Placement
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. G0641 Double Miter Saw ��...
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Page 55: Warranty And Returns
WARRANTY AND RETURNS �� ...
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Grizzly G0641 Owner's Manual

Introduction

Section 1: Safety

Section 2: Circuit Requirements

Section 3: Setup

Section 4: Operations

Section 5: Accessories

Section 6: Maintenance

Section 7: Service

Section 8: Parts

Warranty and Returns

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Summary of Contents for Grizzly G0641

Table of Contents