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Foley 460 Operator's Manual

Automatic rotary blade grinder
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MODEL 460
AUTOMATIC
ROTARY BLADE GRINDER
This book consists of two manuals:
The OPERATORS MANUAL which contains all the
information on operating and doing routine daily
maintenance on this equipment.
The ASSEMBLY and SERVICE MANUAL which is
used by the maintainence department to install the
equipment and to do all maintenance except routine
daily maintenance.
1

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Summary of Contents for Foley 460

  • Page 1 MODEL 460 AUTOMATIC ROTARY BLADE GRINDER This book consists of two manuals: The OPERATORS MANUAL which contains all the information on operating and doing routine daily maintenance on this equipment. The ASSEMBLY and SERVICE MANUAL which is used by the maintainence department to install the equipment and to do all maintenance except routine daily maintenance.
  • Page 2 We are committed to: Providing superior customer support, training, and service. Manufacturing the highest quality products at an unequaled value. Setting the industry standard by investing in technological product innovation. Manufacturing products specifically designed to maintain original equipment manufacturers' specifications. Interacting with and supporting all original equipment manufacturers.
  • Page 3 MODEL 460 AUTOMATIC ROTARY BLADE GRINDER OPERATORS MANUAL WARNING You must thoroughly read and understand this manual before operating the equipment, paying particular attention to the Warning & Safety instructions. 4607953 (3-08)

  • Page 4: Safety Instructions

    SAFETY INSTRUCTIONS Safety Awareness Symbols are inserted into this manual to alert you to possible Safety Hazards. Whenever you see these symbols, follow their instructions. The Caution Symbol identifies special instructions The Warning Symbol identifies special instructions or procedures which, if not strictly observed, could or procedures which, if not correctly followed, could result in damage to or destruction of equipment.
  • Page 5 SAFETY INSTRUCTIONS IMPROPER USE OF GRINDING WHEEL MAY CAUSE BREAKAGE AND SERIOUS INJURY. Grinding is a safe operation if the few basic rules listed below are followed. These rules are based on material contained in the ANSI B7.1 Safety Code for "Use, Care and Protection of Abrasive Wheels".

  • Page 6: Specifications

    SAFETY INSTRUCTIONS This machine is intended for grinding the rotary blades from a rotary type mowing unit ONLY. Any use other than this may cause personal injury and void the warranty. To assure the quality and safety of your machine and to maintain the warranty, you MUST use original equipment manufactures replacement parts and have any repair work done by a qualified professional.
  • Page 7 SAFETY INSTRUCTIONS PLEASE TAKE SPECIAL NOTE OF THE FOLLOWING WARNING DECALS LOCATED ON THE 460 ROTARY BLADE GRINDER. Symbol to wear safety Symbol for caution glasses. relating to RPM of the motor and minimum safe rated RPM of the grinding wheel.

  • Page 8: Getting To Know Your Grinder

    GETTING TO KNOW YOUR GRINDER FIG. 1 shows the major areas of the Grinder which will TRAVERSE MOTOR AND DRIVE BELT be referred to in the operating instructions in the A traverse drive belt and clamps traverse the remainder of this manual. carriages from side to side, to move the grinding wheel along the rotary blade.
  • Page 9 GETTING TO KNOW YOUR GRINDER (Continued) INFEED SPEED AUTOMATIC PROGRAM START BUTTON SELECTOR SWITCH TRAVERSE SPEED KNOB MANUAL TRAVERSE JOG SWITCH MANUAL INFEED JOG GRINDING MOTOR ON/OFF SWITCH SWITCH INFEED MOTOR SELECT FIG. 2 EMERGENCY STOP BUTTON (RED) SWITCH CONTROL PANEL (FIG. 2) START BUTTON (GREEN) INFEED SPEED SELECTOR SWITCH TRAVERSE SPEED KNOB...
  • Page 10 GETTING TO KNOW YOUR GRINDER (Continued) DRIVE CARRIAGE (FIG. 3) GRINDING HEAD (FIG. 3) Vertical Grinding Head Adjuster and Lock Pin Spark Guard Lock Knob Moves the grinding head up and down. Position lock A two pronged knob holds the spark guard in position. pin and lock handles lock adjustment in place.
  • Page 11 GETTING TO KNOW YOUR GRINDER (Continued) ROTARY BLADE CENTER SUPPORT ASSEMBLY: See FIG. 4 and FIG. 5 BLADE CLAMP CAM SYSTEM The blade clamp system consists of two Blade Clamp Blocks that are moved to the clamping position by a cam plate with two handles.
  • Page 12 TRAVERSE TRAVEL LIMIT PROXIMITY FIG. 6 SWITCHES The 460 Rotary Blade Grinder has proximity switches to stop the carriage travel and reverse direction. See FIG. 7. They are adjustable by loosening the star knob and sliding the assembly along the rail and retightening.
  • Page 13 GENERAL OPERATING INFORMATION (continued) WHEN TO SHARPEN A ROTARY BLADE When the grass is not being cut cleanly, or the cut ends of the grass appear torn or ragged, the edges of the rotary blade have become rounded and need sharpening.
  • Page 14 1.0" [25 mm], it should be replaced. See FIG. 11. 1.0 in. minimum [25mm] FIG. 11 GRINDING WHEELS AVAILABLE FOR 460 ROTARY BLADE GRINDER WHEEL PART NO. COLOR/DESCRIPTION/SIZE GRIT 3700046 Blue straight-cup wheel,...
  • Page 15 GENERAL OPERATING INFORMATION (Continued) PREPARING THE ROTARY BLADE FOR SHARPENING 1. CLEANING A rotary mower blade which has a buildup of dirt and dried grass clippings cannot be properly sharpened or balanced. To clean your blade follow these steps: CRACKED BLADE 1.
  • Page 16 OPERATING INSTRUCTIONS MOUNTING THE ROTARY BLADE BLADE CLAMP CENTER CONE CAM SYSTEM To install the rotary blade the center cone must be removed. Rotate the blade clamp cam system CLAMP counterclockwise to open the clamp blocks. Put the BLOCK center hole of the rotary blade on the center threaded stud and install the center cone.
  • Page 17 OPERATING INSTRUCTIONS (Continued) SETTING THE GRIND ANGLE The grinding heads of this grinder have an angular adjustment to set the grind angle on the rotary blade. To set the angle, while holding the grind angle position assist handle, release the grind angle position adjuster lock handle and reposition the grind GRIND ANGLE POSITION angle by pivoting the head.
  • Page 18 OPERATING INSTRUCTIONS (Continued) POSITIONING THE ROTARY BLADE FOR ANGLED GRINDING If your rotary blade is flat and the cutting surface is parallel to the blade, you will not have to rotate the rotary blade. You can leave the blade angle zero RELIEF position pin in place (See FIG.
  • Page 19 OPERATING INSTRUCTIONS (Continued) VERTICAL GRINDING HEAD ADJUSTMENT CARRIAGE Based on the rotary blade size or the rotation of BASE PLATE the blade as discussed on page 18, the grinding heads may require vertical adjustment. To adjust the vertical height of the grinding heads, loosen CALIBRATION one of the lock handles on a grinding head MARKS...
  • Page 20 OPERATING INSTRUCTIONS (Continued) SETTING THE RELIEF RELEASE SYSTEM RELIEF The relief release system consists of a release side SLIDE BAR bar and a blade relief cam plate. MECANISM This system can be mounted with the lower grinding head on the right for rotary blades that have the surface to be ground on the right lower side when mounted.
  • Page 21 OPERATING INSTRUCTIONS (Continued) Loosen the relief slide adjustable lock handle and slide the relief bar until the side of the release bar toward the center of the grinder is at that dimension on the scale on the grinder base. See FIG. 27. When set, retighten the relief slide adjustable lock handle.
  • Page 22 OPERATING INSTRUCTIONS (Continued) GRINDING THE ROTARY BLADE In proceeding with the grind instuctions, it is assumed that all the adjustments listed on pages 16 through 21 have been completed. Manually jog the grinding head so the side of the grinding wheel toward the center of the grinder is approximately in the center of the blade area to be ground as shown in FIG.
  • Page 23 OPERATING INSTRUCTIONS (Continued) The grinder has been engineered with a three second time delay. If you do not push the button for three seconds, the automatic program will start and grind the rotary blade based on the number of times you pushed the button prior to the three second time delay.
  • Page 24 ROTARY BLADE SETUP CHART...