MODEL H7762 HEAVY DUTY TOOL GRINDER OWNER'S MANUAL COPYRIGHT © NOVEMBER, 2005 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.
Safety labels warn about machine hazards and ways to prevent injury. The owner of this machine 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.
Table of Contents INTRODUCTION ............................................................................................................................... 2 Foreword .................................................................................................................................... 2 Contact Info ................................................................................................................................ 2 Machine Data Sheet............................................
INTRODUCTION Foreword Contact Info We are proud to offer the Model H7762 Heavy Duty Tool Grinder. 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 commitment to customer satisfaction. If you have any comments regarding this manual, please write to us at the address below: We are pleased to provide this manual with the Model H7762.
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Identification C A B D L E F K J I G H Figure 1. H7762 Identification. A. B. C. D. E. F. G. H. I. J. K. L.
SECTION 1: SAFETY For Your Own Safety, Read Instruction Manual Before Operating this Machine 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 proper accident prevention measures.
Safety Instructions for Machinery 7. ONLY ALLOW TRAINED AND PROPERLY SUPERVISED PERSONNEL TO OPERATE MACHINERY. Make sure operation instructions are safe and clearly understood. 8. KEEP CHILDREN AND VISITORS AWAY. Keep all children and visitors a safe distance from the work area. 9. MAKE WORKSHOP CHILD PROOF. Use padlocks, master switches, and remove start switch keys. 10. NEVER LEAVE WHEN MACHINE IS RUNNING.
Additional Safety Instructions For Grinders 1. EYE PROTECTION. Grinding causes small particles to become airborne at a high rate of speed, which can cause serious eye damage. ALWAYS wear safety glasses when using this machine. 6. LUNG PROTECTION. Grinding produces hazardous dust, which may cause longterm respiratory problems if breathed. Always wear a NIOSH approved dust mask or respirator when grinding. 2. MOUNTING TO BENCH/STAND.
SECTION 2: CIRCUIT REQUIREMENTS 110V Operation Electrocution or fire could result if this machine is not grounded correctly or if your electrical configuration does not comply with local and state codes. Ensure compliance by checking with a qualified electrician! Serious personal injury could occur if you connect the machine to the power source before you have completed the set up process. DO NOT connect the machine to the power source until instructed to do so.
SECTION 3: SET UP Set Up Safety This machine presents serious injury hazards to untrained users. Read through this entire manual to become familiar with the controls and operations before starting the machine! Wear safety glasses during the entire set up process! The Model H7762 is a heavy machine. DO NOT over-exert yourself while unpacking or moving your machine—get assistance.
Inventory After all the parts have been upacked, you should have the following items: FPO A Inventory (Figure 3) Qty A. Grinder Body .............................................. 1 B. Shaft End Bushings .................................... 2 C. Work Table Angle Gauges ......................... 4 D. Work Table Lock Handles .......................... 4 E. Work Tables ............................................... 2 F. Miter Gauge................................................ 1 G.
Hardware Recognition Chart H7762 Heavy Duty Tool Grinder -11-
Clean Up The unpainted surfaces are coated with a waxy oil to protect them from corrosion during shipment. Remove this protective coating with a solvent cleaner or citrus-based degreaser such as Grizzly’s G7895 Degreaser. To clean thoroughly, some parts may need to be removed. For optimum performance from your machine, make sure you clean all moving parts or sliding contact surfaces that are coated.
Mounting The Model H7762 weighs 92.5 lbs. Make sure the workbench on which you plan to mount the grinder is sturdy enough to hold the weight of the machine and any downward pressure that may be applied during operation. The workbench should have a level surface and be heavy, or attached to the floor so that it will not move or vibrate during operation. Components and Hardware Required Qty Grinder Unit ....................................................... 1 Hex Bolt M8-1.25 (length varies).................
Grinding Wheels The Model H7762 features two Type 50 platemounted grinding wheels that must be attached to the grinder body before any operation of the machine. Components and Hardware Required Qty Grinder Unit ....................................................... 1 Type 50 Plate-Mounted Grinding Wheels ......... 2 Hex Bolts M6-1 x 25 .......................................... 8 To install the grinding wheels: 1. Remove the rubber shaft end bushing from the end of the arbor. 2.
2. Align the angle gauge so that the pointer at the bottom of the gauge is pointing at 0º. 3. Tighten the lock handle further so that the angle gauge does not move. 4. Repeat Steps 1-3 for the other three angle gauges. 5. Place a work table on a pair of angle gaugesso that the bolts on the underside of the table fit through the slots in the angle gauges. 6. Align the work table so the gap between the table and the grinding wheel is approximately 1 /8". 7.
SECTION 4: OPERATION Test Run Keep loose clothing rolled up and out of the way of machinery and keep hair pulled back. Disconnect power from the machine when performing any maintenance, assembly or adjustments. Failure to do this may result in serious personal injury. Once mounting and adjustments are complete as described in the previous section, you are ready to test the machine. This grinder has a two-way switch.
Grinding Tips Operating Grinder The grinder is a safe tool when used properly. In addition to the safety instructions in this manual, the most important safety consideration is to use common sense at all times. What may be okay in one situation, may not be safe in another. The grinder is designed for use with ferrous metals only. Grinding non-ferrous metals and wood products will quickly load the grinding wheel surface with particulate matter and ruin its abrasive qualities.
6. Depending on the type of metal, you may need to regularly dip the workpiece into the water cup to cool it off. For heat-intensive work, direct a stream of water onto the workpiece and grinding wheel with the flexible water pipe. The flow of water can be increased or decreased using the red valve just below the water cup. If the water supply is exhausted, stop grinding and refill the water cup. Wheel Care A large part of your safety while grinding depends on the condition of the grinding wheel.
Wheel Selection Wheel Inspection The Model H7762 only accepts Type 50 wheels with a 11⁄4" bore. Before mounting a new grinding wheel, it must be inspected. DO NOT assume that a wheel is in sound condition just because it is new—often, damage can occur during shipping, with age, or with exposure to moisture. Aluminum oxide and silicon carbide wheels are marked in a somewhat uniform manner by all major manufacturers. Understanding these markings will help you understand the capabilities of various wheels.
5. Slide the new grinding wheel onto the arbor. Be sure not to bump or scratch the wheel as it may dent, crack or otherwise damage the wheel. 6. Align the large holes in the grinding wheel with the screw holes in the connection plate of the grinder. 7. Fasten the wheel to the connector plate with the four bolts. In order to properly balance the wheel, tighten the bolts in the order shown in Figure 9. 8. Run a new wheel for at least one minute while standing clear of the line of rotation.
ACCESSORIES SECTION 5: ACCESSORIES G7984—Face Shield H1298—Dust Sealed Safety Glasses H1300—UV Blocking, Clear Safety Glasses H2347—Uvex® Spitfire Safety Glasses H0736—Shop Fox® Safety Glasses Safety Glasses are essential to every shop. If you already have a pair, buy extras for visitors or employees.
SECTION 6: MAINTENANCE Grinding Wheels Disconnect power to the machine when performing any maintenance, assembly or adjustments. Failure to do this may result in serious personal injury. General Always be aware of the condition of your machine. Routinely check the condition of the following items and repair or replace as necessary: • Damaged or loose grinding wheels. • Loose mounting bolts. • Worn switch. • Worn or damaged cord. • Worn or damaged support bearings.
SECTION 7: SERVICE Review the troubleshooting and procedures in this section to fix your machine if a problem develops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support department at (570) 546-9663. Troubleshooting SYMPTOM Motor will not start. POSSIBLE CAUSE CORRECTIVE ACTION 1. Check power line voltage and correct if necessary. 1. Low voltage. 2. Open circuit in motor or loose connec- 2.
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Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 1 PH7762001 SHAFT END BUSHING 36 PH7762036 CORD BUSHING 2 PN15M HEX NUT M18-1.5 37 PH7762037 MOTOR BASE 3 PH7762003 SPECIAL SCREW M8-1.25 X 12 38 PH7762038 CORD CLIP FIXING PLATE 4 H8873 GRINDING WHEEL 39 PH7762039 CORD CLIP 5 PH7762005 CONNECTION PLATE 40 PH7762040 LAMP 6 PH7762006 RUBBER WASHER 41 PLW04M LOCK WASHER 8MM 7 PB10M HEX BOLT M6-1 X 25 42 PB09M HEX BOLT M8-1.
WARRANTY AND RETURNS 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.
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