Grizzly G0705 owner manual Service, Troubleshooting

Page 43

Troubleshooting

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel- ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support at (570) 546-9663.

Troubleshooting

Symptom	Possible Cause		Possible Solution
Machine does not	1.	Wall fuse/circuit breaker is blown/tripped.	1.	Ensure circuit size is correct and a short does not
start.				exist. Reset breaker or replace fuse.
	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.	Wiring is open/has high resistance.	4.	Check for broken wires or disconnected/corroded
				connections; repair/replace as necessary.
	5.	Machine power switch is at fault.	5.	Ensure switch is wired correctly; replace if at fault.
	6.	Motor is at fault.	6.	Test/repair/replace.

Machine stalls or is	1.	Feed rate too fast/cutting speed too slow.	1.	Adjust 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 has overheated.	5.	Clean off motor, let cool, and reduce workload.
	6.	Motor bearings are at fault.	6.	Test by rotating shaft; rotational grinding/loose shaft
				requires bearing replacement.
	t7.	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 (Page 29).
	6.	Quill is overextended.	6.	Retract quill, then lower headstock.
	7.	Machine is incorrectly mounted or sits	7.	Tighten/replace mounting bolts in bench; relocate/
		unevenly.		shim machine.
	8.	Motor bearings are at fault.	8.	Test by rotating shaft; rotational grinding/loose shaft
				requires bearing replacement.

Model G0705 (Mfg. since 09/09)

-41-

Image 43

Contents Model G0705 Page Table of Contents Machine Description IntroductionManual Accuracy Contact InfoIdentification Machine Data Sheet Other Features Hearing PROTECTION. Always wear hear SafetySafety Instructions for Machinery Wearing Proper APPAREL. Do not wearSafety Instructions for Machinery Additional Safety for Mill/Drills Circuit Information Power SupplyAvailability Full-Load Current RatingMinimum Gauge Size 12 AWG Grounding RequirementsExtension Cords Voltage Conversion110V Conversion To rewire the Model G0705 for 110V opera- tionJumper positions on terminal block Cord rewired for Model G0705 Mfg. since 09/09 Description Qty SetupNeeded for Setup UnpackingInventory Crate Contents Figures 11 QtyNot Shown Before cleaning, gather the following CleanupSite Considerations Mounting Options Using the Included Leveling BoltMounting to Shop Floor Using Machine MountsMounting to a Workbench AssemblyTo assemble your machine Leveling Moving & Placing MachineTo move your machine into position Test Run To break in the spindle Break-InOperation Overview OperationsSpindle controls Model G0705 Mfg. since 09/09 Basic ControlsHead crank Cutting Speeds for High Speed Steel HSS Cutting Tools Calculating Spindle Speed for MillingTo calculate the needed spindle speed in RPM Position Speed ChangesTools Needed Qty To change spindle speedsCalculating Spindle Speed for Drilling Using the Drill Bit Speed ChartLubrication Suggestions Spindle Height To operate the micro-adjustment handwheelLoading Tooling To install toolingTo remove tooling Drill Chuck Arbor Collet Adapters To install the drill chuck onto the arborTo use the drift key To calibrate the depth stop Depth StopCross Feed Table TravelGraduated Dials Longitudinal FeedG1076-52-PC. Clamping Kit AccessoriesH2689-R-8 Quick Change Collet Set G9299-10 Yuasa-Type Rotary TableG5641-1-2-3 Blocks G9815-Parallel Set H5556-Edge Finder Set H8370-Power Feed for MillsG2861-Face Mill G4051-Carbide Insert for Face Mill G9765-9-PC. Ball End Mill Set Cleaning Protecting Maintenance Schedule Items Needed Qty LubricationTable Leadscrews Points requiring periodic lubrication areBelt tension Model G0705 Mfg. since 09/09 BeltsTroubleshooting ServiceSymptom Possible Cause Possible Solution To adjust the spring tension To adjust the table gibsGibs Return Spring Leadscrew Backlash Adjusting spring tension Tighten the black thumb knobWiring Safety Instructions WiringG0705 Wiring Diagram Electrical component locations Headstock Description Headstock Parts ListPCAP05 Base Base Parts List 309 Electrical Components Breakdown and ListLabels Breakdown and List Comments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty and Returns Warranty and ReturnsOrder Hours a DAY