Grizzly g0748, g0747 owner manual Site Considerations

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Site Considerations

Weight Load

refer to the Machine Data Sheet for the weight of your machine. Make sure that the surface upon which the machine is placed will bear the weight of the machine, additional equipment that may be installed on the machine, and the heaviest work- piece that will be used. Additionally, consider the weight of the operator and any dynamic loading that may occur when operating the machine.

Space Allocation

Consider the largest size of workpiece that will be processed through this machine and provide enough space around the machine for adequate operator material handling or the installation of auxiliary equipment. With permanent installations, leave enough space around the machine to open or remove doors/covers as required by the main- tenance and service described in this manual.

See below for required space allocation.

Children or untrained people may be seriously injured by this machine. Only install in an access restricted location.

Physical Environment

the physical environment where the machine is operated is important for safe operation and lon- gevity of machine components. For best results, operate this machine in a dry environment that is free from excessive moisture, hazardous chemi- cals, airborne abrasives, or extreme conditions. extreme conditions for this type of machinery are generally those where the ambient temperature range exceeds 41°–104°F; the relative humidity range exceeds 20–95% (non-condensing); or the environment is subject to vibration, shocks, or bumps.

Electrical Installation

place this machine near an existing power source. Make sure all power cords are protected from traffic, material handling, moisture, chemicals, or other hazards. Make sure to leave access to a means of disconnecting the power source or engaging a lockout/tagout device, if required.

Lighting

lighting around the machine must be adequate enough that operations can be performed safely. shadows, glare, or strobe effects that may distract or impede the operator must be eliminated.

Wall

30"

Minimum

Clearance

 

 

 

 

 

 

 

 

 

 

30"

 

 

 

 

 

 

 

Minimum

 

 

 

 

Wall

 

 

 

 

 

 

Clearance

 

 

 

 

 

 

24"

 

 

 

 

 

40" 5612"

Figure 4. Minimum working clearances.

Model G0747/G0748 (Mfg. Since 8/12)

95"

-19-

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Contents For models manufactured since 8/12 Page Table of Contents Wiring Introduction Machine Description Manual AccuracyContact Info Front View Identification Model G0747 Headstock Identification Model G0748 Headstock Identification Machine Data Sheet Main Specifications Operation Info Model G0748 Vertical Mill Variable Speed Variable Safety Instructions for Machinery SafetyPage Additional Safety for Milling Machines Availability Power SupplyFull-Load Current Rating Circuit Requirements forExtension Cords Grounding InstructionsMinimum Gauge Size 14 AWG 50 ftSetup Needed for SetupUnpacking Small Item Inventory Figure Qty InventoryCleanup Before cleaning, gather the followingBasic steps for removing rust preventative Site Considerations Lifting & Placing HEAVy LiftTo lift and move the mill Leveling Leveling & MountingBolting to Concrete Floors Machine MountsAssembly Initial LubricationTo assemble the mill Mill Test Run Test RunTo test the power feed Power Feed Test RunInspections Adjustments To perform the spindle break-in procedureSpindle Break-In Operation Overview OperationsTable Movement Graduated Index RingsTable Locks Axis Power Feed Identification To operate the X-axis power feed Axis Power Feed OperationHead Movement Tool Needed QtyRotating Head Left/Right Tilting Head Forward/BackwardRam Movement Moving Ram Forward/BackwardRotating Ram Determining Spindle Speed Spindle SpeedRecommended Cutting Speed FPM x Tool Diameter in inches xTo set the Model G0747 spindle speed Setting Model G0747 Spindle SpeedLow Spindle Speed Range To set the Model G0748 spindle speed Setting Model G0748 Spindle SpeedDownfeed Controls Spindle DownfeedCoarse Downfeed Fine DownfeedTo use the coarse downfeed To use the auto-downfeed Auto-DownfeedModel G0747 brake lever G0748 Brake Lever Spindle BrakeLoading Tooling Loading/Unloading ToolingUnloading Tooling Tools Needed QtyG1076-52-PC. Clamping Kit AccessoriesG9299-10 Yuasa-Type Rotary Table G7155-6 Precision Milling ViseMaintenance Cleaning ProtectingSchedule Quill LubricationHeadstock Gearing Table Ways One-Shot OilerRam Ways Head Tilt & Ram PinionsTable Elevation Leadscrew To lubricate the power feed gears Power Feed GearsMachine Storage Service TroubleshootingSymptom Possible Cause Possible Solution Symptom Possible Cause Possible Solution Saddle gib and adjustment screw Knee Gib Adjustment Screw Adjusting GibsAxis Leadscrew Backlash Adjusting Leadscrew BacklashCross Leadscrew Backlash To tram the spindle to the table Tramming SpindlePage Wiring Safety Instructions WiringG0747 Wiring Diagram G0748 Wiring Diagram Main PartsDescription Main Parts ListDescription Axis LeadscrewsDownfeed System Downfeed System Parts List CAM ROD Sleeve Assembly G0747 Headstock PFH30M Flat HD SCR M5-.8 X G0747 Headstock Parts ListG0748 Headstock G0748 Headstock Parts List Headstock Front COVER, Aluminum One-Shot Oiler Accessories G0747 Machine Labels & Cosmetics G0748 Machine Labels & Cosmetics Model G0747/G0748 Mfg. Since 8/12 Comments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty & Returns