Grizzly G0755 owner manual Wiring Safety Instructions

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SECTION 8: WIRING

These pages are current at the time of printing. However, in the spirit of improvement, we may make chang- es to the electrical systems of future machines. Compare the manufacture date of your machine to the one stated in this manual, and study this section carefully.

If there are differences between your machine and what is shown in this section, call Technical Support at

(570)546-9663 for assistance BEFORE making any changes to the wiring on your machine. An updated wiring diagram may be available. Note: Please gather the serial number and manufacture date of your machine before calling. This information can be found on the main machine label.

Wiring Safety Instructions

SHOCK HAZARD. Working on wiring that is con- nected to a power source is extremely dangerous. Touching electrified parts will result in personal injury including but not limited to severe burns, electrocution, or death. Disconnect the power from the machine before servicing electrical com- ponents!

MODIFICATIONS. Modifying the wiring beyond what is shown in the diagram may lead to unpre- dictable results, including serious injury or fire. This includes the installation of unapproved after- market parts.

WIRE CONNECTIONS. All connections must be tight to prevent wires from loosening during machine operation. Double-check all wires dis- connected or connected during any wiring task to ensure tight connections.

CIRCUIT REQUIREMENTS. You MUST follow the requirements at the beginning of this man- ual when connecting your machine to a power source.

WIRE/COMPONENT DAMAGE. Damaged wires or components increase the risk of serious per- sonal injury, fire, or machine damage. If you notice that any wires or components are damaged while performing a wiring task, replace those wires or components.

MOTOR WIRING. The motor wiring shown in these diagrams is current at the time of printing but may not match your machine. If you find this to be the case, use the wiring diagram inside the motor junction box.

CAPACITORS/INVERTERS. Some capacitors and power inverters store an electrical charge for up to 10 minutes after being disconnected from the power source. To reduce the risk of being shocked, wait at least this long before working on capacitors.

EXPERIENCING DIFFICULTIES. If you are expe- riencing difficulties understanding the information included in this section, contact our Technical Support at (570) 546-9663.

The photos and diagrams included in this section are best viewed in color. You can view these pages in color at www.grizzly.com.

Model G0755 (Mfg. Since 1/13)

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Contents Model G0755 Page Table of Contents Machine Description Manual Accuracy IntroductionContact Info Identification Machine Data Sheet Table Info Safety Instructions for Machinery SafetyPage Additional Safety for Mill/Drills Circuit Requirements for Power SupplyAvailability Full-Load Current Rating50 ft Grounding InstructionsExtension Cords Minimum Gauge Size 14 AWGNeeded for Setup SetupUnpackingInventory Before cleaning, gather the following CleanupBasic steps for removing rust preventative Site Considerations To move your machine into position Lifting & PlacingAnchoring to Concrete Floors Anchoring to Floor AssemblyMachine Base Concrete Lubricating Mill/Drill Joining Drill Chuck ArborTo join the drill chuck and arbor To test run the machine Test RunSpindle Break-In Inspections AdjustmentsOperation Overview OperationsIdentification Using Coarse DownfeedUsing Fine Downfeed Control Panel Downfeed ControlsHeadstock Movement Depth StopRaising/Lowering Headstock Tilting Headstock Table TravelGraduated Dials ON/OFF Switch Axis Power FeedAxis Handwheels Tool Needed Qty Installing/Removing ToolingInstalling Tool Holder To install tool holderTools Needed Qty Spindle SpeedRemoving Tool Holder Determining Spindle SpeedSpindle Speed Range Lever Speed Lever Setting Spindle SpeedISO 68 and ISO 32 machine oil AccessoriesH7527 6 Rotary Table Set H7527-6 Rotary Table SetH5930-4-Pc Center Drill Set H5931-4-Pc Center Drill Set G9612-Test IndicatorG5774-R-8 End Mill Holder Set G5641-1-2-3 Blocks G9815-Parallel SetLubrication MaintenanceCleaning Protecting ScheduleTo change the headstock oil Headstock ReservoirTable/Column Ways & Quill Ball OilersQuill Rack & Pinion Table LeadscrewsAxis Leadscrew Troubleshooting ServiceSymptom Possible Cause Possible Solution Adjusting Leadscrew Backlash Adjusting GibsTo tram the spindle with the table Tramming SpindleReplacing Power Feed Carbon Brushes Tightening Return Spring Tension To adjust the return spring tensionWiring Safety Instructions WiringControl Panel Electrical Box WiringMotors & Other Electrical Wiring Electrical Photos Axis Motor Axis Limit SwitchElectrical Box Spindle Motor Control Panel Rear ViewHead PartsDescription Head Parts ListDescription Table & Column Table & Column Parts List 401 406 402 403 405 404 415 411 408 407 409 412 410 413 414 Electrical ComponentsPower Feed Accessories Machine Labels & Cosmetics Comments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty & Returns