Grizzly G0704 owner manual Service, Troubleshooting

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Troubleshooting

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section if a problem develops with your machine. If you need replacement parts or additional help with a procedure, call our Technical Support at (570) 546-9663. Note: Please gather the serial number and manufacture date of your machine before calling.

Troubleshooting

Symptom	Possible Cause		Possible Solution
Machine does not	1.	Circuit breaker on machine tripped.	1.	Press reset button on motor junction box; reduce
start.				load on motor to prevent overheating.
	2.	Plug at fault or wired incorrectly.	2.	Ensure plug is not damaged and is wired correctly.
	3.	Motor wired incorrectly.	3.	Ensure motor wiring is correct.
	4.	Wall fuse/circuit breaker is blown/tripped.	4.	Ensure circuit size is correct and a short does not
				exist. Reset breaker or replace fuse.
	5.	Wiring is open/has high resistance.	5.	Check for broken wires or disconnected/corroded
				connections; repair/replace as necessary.
	6.	Machine power switch is at fault.	6.	Ensure switch is wired correctly; replace if at fault.
	7.	Motor is at fault.	7.	Test/repair/replace.

Machine stalls or is	1.	Feed rate/cutting speed too fast.	1.	Decrease feed rate/cutting speed.
overloaded.	2.	Wrong cutter type.	2.	Use the correct cutter for the task.
	3.	Machine is undersized for the task or tooling	3.	Use smaller or sharper tooling; reduce feed rate or
		is incorrect for the task.		spindle speed; use cutting fluid if possible.
	4.	Motor connection is wired incorrectly.	4.	Wire motor correctly for the intended voltage.
	5.	Motor bearings are at fault.	5.	Test by rotating shaft; rotational grinding/loose shaft
				requires bearing replacement.
	6.	Motor has overheated.	6.	Clean off motor, let cool, and reduce workload.
	7.	Motor is at fault.	7.	Test/repair/replace motor.

Machine has	1.	Motor or machine component is loose.	1.	Inspect/replace stripped or damaged bolts/nuts, and
vibration or noisy				re-tighten with thread locking fluid.
operation.	2.	Excessive depth of cut.	2.	Decrease depth of cut.
	3.	Cutter/tooling is loose.	3.	Make sure tooling is properly secured.
	4.	Cutter is dull or at fault.	4.	Replace/resharpen cutter.
	5.	Bit is chattering.	5.	Replace/sharpen bit; index bit to workpiece; use
				appropriate feed rate and cutting RPM.
	6.	Machine is incorrectly mounted or sits	6.	Tighten/replace mounting bolts in bench; relocate/
		unevenly.		shim machine.
	7.	Motor bearings are at fault.	7.	Test by rotating shaft; rotational grinding/loose shaft
				requires bearing replacement.

Model G0704 (Mfg. since 09/09)

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Contents Model G0704 MILL/DRILL with Stand Page Table of Contents Machine Description IntroductionManual Accuracy Contact Info Identification G0704 electronic controls identification Electronic Controls IdentificationMachine Data Sheet Other Features Safety Instructions for Machinery SafetyUnattended OPERATION. Never leave Additional Safety for Mill/Drills Power Supply 50 ft Minimum Gauge Size 16 AWGNeeded for Setup SetupUnpacking Description QtyNot Shown Contents QtyInventory Basic steps for removing rust preventative CleanupBefore cleaning, gather the following Site Considerations Weight LoadMoving & Placing Machine Example of a direct mount setupBolting to Concrete Floors Mounting to Shop FloorTo install the drill chuck onto the arbor AssemblyDrill Chuck Arbor To assemble your machineConnecting Power Power ConnectionTo test run and break-in the spindle bearings Test Run & Spindle Break-inSpeed Range Selector Knob Selects low range OperationsBasic Controls Digital readout unit controls Operation Overview To use the digital readout Digital Readout UnitTo determine the needed spindle speed Calculating Spindle SpeedTo set the spindle speed Spindle Speed DirectionSpindle Height Controls Changing Spindle Position Using Quill Feed LeversDrill Chuck To install the drill chuck and arborTo remove the collet To install the toolingLoading Tooling To tilt the headstock to the left or right Headstock Travel Axis and RotationTo raise or lower the headstock Cross Feed Table TravelLongitudinal Feed H8177-Worktable with Angle AccessoriesH8179 H5685-4Rotary Table G9322-Boring Head Combo SetG8683Z-Mini Shop Fox Mobile Base G5684-R-8 Vertical Collet Rack G5758-Tilt xLubrication MaintenanceSchedule To lubricate the leadscrews Tools Needed QtyHandwheel gears Troubleshooting ServiceFor proper use and safety Gibs To adjust the table gibsTo adjust the headstock gibs To adjust the Y-axis leadscrew nut Battery ReplacementTo adjust the X-axis leadscrew To replace the digital readout unit batteryTo inspect and replace the motor brushes Motor ServiceWiring Safety Instructions Wiring110 VAC Wiring DiagramSide panel Rear panelColumn Breakdown PartsDescription Column Parts ListElectrical Box Breakdown & Parts List Headstock Breakdown Headstock Parts List Chip Guard Breakdown & Parts List Labels Breakdown & Parts List Model G0704 Mfg. since 09/09 Comments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty and Returns Warranty and ReturnsOrder Hours a DAY