Grizzly g0747, g0748 owner manual Tilting Head Forward/Backward, Rotating Head Left/Right

Page 32

The head is heavy. When tilting or rotating the head, get help to support the weight as you use the controls.

Tilting Head Forward/Backward

1.DISCONNECT MILL FROM POWER!

2.loosen the three tilt lock bolts shown in Figure 22.

Tilt Bolt

Lock

Bolts

Figure 22. Head tilt controls.

3.Use one hand to apply pressure to the head in the direction of tilt, then slowly rotate the tilt bolt. Rotating this bolt clockwise will tilt the head backward.

4.re-tighten the lock bolts.

-30-

Rotating Head Left/Right

1.DISCONNECT MILL FROM POWER!

2.loosen the four lock bolts shown in Figure 23.

Rotation Bolt

Lock Bolts

Figure 23. Head rotation controls.

3.Use one hand to apply pressure to the head in the direction of rotation, then slowly turn the rotation bolt.

4.re-tighten the lock bolts.

Always lock the head firmly in place after tilting or rotating it. Unexpected movement of the head during operations could cause damage to the cutter or workpiece.

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

Image 32
Contents For models manufactured since 8/12 Page Table of Contents Wiring Contact Info IntroductionMachine Description Manual Accuracy 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 Safety Instructions for MachineryPage Additional Safety for Milling Machines Power Supply AvailabilityFull-Load Current Rating Circuit Requirements forGrounding Instructions Extension CordsMinimum Gauge Size 14 AWG 50 ftUnpacking SetupNeeded for Setup Inventory Small Item Inventory Figure QtyBasic steps for removing rust preventative CleanupBefore cleaning, gather the following Site Considerations To lift and move the mill Lifting & PlacingHEAVy Lift Leveling & Mounting LevelingBolting to Concrete Floors Machine MountsTo assemble the mill AssemblyInitial Lubrication Test Run Mill Test RunPower Feed Test Run To test the power feedSpindle Break-In Inspections AdjustmentsTo perform the spindle break-in procedure Operations Operation OverviewTable Locks Table MovementGraduated Index Rings Axis Power Feed Identification Axis Power Feed Operation To operate the X-axis power feedHead Movement Tool Needed QtyTilting Head Forward/Backward Rotating Head Left/RightRotating Ram Ram MovementMoving Ram Forward/Backward Spindle Speed Determining Spindle SpeedRecommended Cutting Speed FPM x Tool Diameter in inches xSetting Model G0747 Spindle Speed To set the Model G0747 spindle speedLow Spindle Speed Range Setting Model G0748 Spindle Speed To set the Model G0748 spindle speedSpindle Downfeed Downfeed ControlsTo use the coarse downfeed Coarse DownfeedFine Downfeed Auto-Downfeed To use the auto-downfeedSpindle Brake Model G0747 brake lever G0748 Brake LeverLoading/Unloading Tooling Loading ToolingUnloading Tooling Tools Needed QtyAccessories G1076-52-PC. Clamping KitG7155-6 Precision Milling Vise G9299-10 Yuasa-Type Rotary TableSchedule MaintenanceCleaning Protecting Lubrication QuillTable Ways One-Shot Oiler Headstock GearingTable Elevation Leadscrew Ram WaysHead Tilt & Ram Pinions Power Feed Gears To lubricate the power feed gearsMachine Storage Symptom Possible Cause Possible Solution ServiceTroubleshooting Symptom Possible Cause Possible Solution Adjusting Gibs Saddle gib and adjustment screw Knee Gib Adjustment ScrewAdjusting Leadscrew Backlash Axis Leadscrew BacklashCross Leadscrew Backlash Tramming Spindle To tram the spindle to the tablePage Wiring Wiring Safety InstructionsG0747 Wiring Diagram G0748 Wiring Diagram Parts MainMain Parts List DescriptionAxis Leadscrews DescriptionDownfeed System Downfeed System Parts List CAM ROD Sleeve Assembly G0747 Headstock G0747 Headstock Parts List PFH30M Flat HD SCR M5-.8 XG0748 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 Warranty Card CommentsGrizzly INDUSTRIAL, INC BOX BELLINGHAM, WAWarranty & Returns