Grizzly G1005Z owner manual Service, Troubleshooting, Motor & Electrical

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SECTION 7: SERVICE

Review the troubleshooting and procedures in this section to fix your machine if a problem develops. 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

Motor & Electrical

Symptom	Possible Cause		Possible Solution
Machine does not	1.	Plug or receptacle is at fault or wired incor-	1.	Test power plug and receptacle for good contact and
start or a breaker		rectly.		correct wiring.
trips.	2.	Start capacitor is faulty.	2.	Replace capacitor.
	3.	Motor connection is wired incorrectly.	3.	Correct motor wiring (see Page 33).

4.Power supply is faulty, or is switched OFF. 4. Make sure all hot lines and grounds are operational and have correct voltage on all legs.

	5.	ON/OFF switch is faulty.	5.	Replace faulty switch.
	6.	Cable or wiring is open or has high resis-	6.	Troubleshoot wires for internal or external breaks,
		tance.		check for disconnected or corroded connections and
				repair or replace wiring.
	7.	Motor is at fault.	7.	Test, repair or replace motor.

Machine stalls or	1.	Incorrect spindle speed for task.	1.	Decrease spindle speed.
is underpowered.	2.	Machine is undersized for the task.	2.	Use smaller drill bits/cutters and reduce feed rate
				and spindle speed.
	3.	Belt(s) is slipping.	3.	Replace bad belts, align pulleys, and re-tension.
	4.	Plug or receptacle is at fault.	4.	Test power plug and receptacle for good contact and
				correct wiring.
	5.	Motor connection is wired incorrectly.	5.	Correct motor wiring (see Page 33).
	6.	Pulley is slipping on shaft.	6.	Replace loose pulley and shaft.
	7.	Motor bearings are at fault.	7.	Rotate motor shaft for noisy or burnt bearings,
				repair/replace as required.
	8.	Motor has overheated.	8.	Let cool, clean linside/outside of motor, and reduce
				workload on machine.
	9.	Motor is at fault.	9.	Test, repair or replace motor.
	10. Feed rate is too high.		10. Reduce feed rate.

G1005Z Mill/Drill

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Contents Model G1005Z MILL/DRILL Page Table of Contents Contact Info IntroductionForeword Machine Data Sheet Lead Screw Info Identification Safety G1005Z Mill/Drill Additional Safety for Mill/Drills 110/220V Operation Circuit RequirementsAmperage Draw Circuit RequirementsExtension Cords Grounding110V Operation 220V OperationSet Up Safety SET UPItems Needed for Set UnpackingOther Components and Hardware InventoryMain Components Figure Qty Site Considerations Clean UpWorkbench Load Operational ClearancesTo assemble the Model G1005Z MountingAssemblyTo test run the machine Test RunInstalling/Removing Tooling Operation SafetyUsing Clean Tapers To install tooling on included mill arborTo install end mill tooling To install an arborTo install the drill chuck To remove an arborTo remove a drill bit To install a drill bitLongitudinal Feed Cross FeedMicro-Downfeed Handwheel Graduated DialsBacklash To correct for backlashDepth Stop Quill LockChoosing Milling Speeds Using the Drill Bit Speed ChartChoosing Drilling Speeds Lubrication SuggestionsDrill bit speed chart To change speeds Changing SpeedsDrilling Guidelines H1300 H1298 G7984 H2347 H0736 AccessoriesH2689-R8 Quick Change Collet Set Cleaning MaintenanceSchedule Unpainted Cast IronMotor & Electrical ServiceTroubleshooting Operation Symptom Possible Cause Possible SolutionSymptom Possible Cause Possible Solution To calibrate the depth stop Depth Stop Feed Shaft Spring CalibrationPage G1005Z Junction Box G1005Z Mill/Drill Electrical ComponentsWiring Diagram G1005Z Description G1005Z Main Assembly Parts ListG1005Z Table Breakdown G1005Z Table and Labels Parts List Warranty and Returns Page Page