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Grizzly G0492 owner manual Operation and Work Results Continued, Troubleshooting

Models: G0492

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Troubleshooting

Operation and Work Results (Continued)

Symptom	Possible Cause		Possible Solution

Loud, repetitious	1.	Pulley setscrews or keys are missing or	1.	Inspect keys and setscrews. Replace or tighten if
noise coming		loose.		necessary.
from machine	2.	Motor fan is hitting the cover.	2.	Tighten fan or shim cover, or replace items.
at or near the
motor.

Motor is loud	1.	Excessive depth of cut or feed rate.	1.	Decrease depth of cut or feed rate.
when cutting.	2.	RPM or feed rate wrong for cutting operation.	2.	Refer to RPM feed rate chart for appropriate rates.
Overheats or
bogs down in the	3.	Cutting tool is dull.	3.	Sharpen or replace the cutting tool.
cut.	4.	Gear setup is too tight, causing them to bind.	4.	Readjust the gear setup with a small amount of
				backlash so the gears move freely and smoothly
				when the chuck is rotated by hand.

Loud, repetitious	1. Gears not aligned in headstock or no back-		1.	Adjust gears and establish backlash.
noise coming		lash.
from machine.	2.	Broken gear or bad bearing.	2.	Replace broken gear or bearing.
	3.	Workpiece is hitting stationary object.	3.	Stop lathe immediately and correct interference
				problem.

Motor overheats.	1.	Motor overloaded.	1.	Reduce load on motor.
	2.	Air circulation through the motor restricted.	2.	Clean out motor to provide normal air circulation.

Gear change	1.	Gears not aligned in headstock.	1.	Rotate spindle by hand until gear falls into place.
levers will not
shift into position.

Tailstock quill will	1.	Quill lock lever is tightened down.	1.	Turn lever counterclockwise.
not feed out of
tailstock.

Carriage hard to	1.	Carriage lock is tightened down.	1.	Check to make sure table locks are fully released.
move.	2.	Chips have loaded up on bedways.	2.	Frequently clean away chips that load up during
				turning operations.
	3.	Bedways are dry and in need of lubrication.	3.	Lubricate bedways and handles.
	4.	Longitudinal stops are interfering.	4.	Check to make sure that stops are floating and not
				hitting the center stop.
	5.	Gibs are too tight.	5.	Loosen gib screw(s) slightly.

G0492 12" X 36" Combo Lathe/Mill

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Grizzly G0492 owner manual Operation and Work Results Continued, Troubleshooting

Contents

MODEL G0492 12 X 36 COMBO LATHE/MILL OWNERS MANUALPage SECTION 6 MAINTENANCE Table of ContentsSECTION 1 SAFETY SECTION 3 SET UPSECTION 9 PARTS SECTION 7 SERVICESECTION 8 ACCESSORIES WARRANTY AND RETURNSContact Info INTRODUCTIONForeword Shipping Dimensions MACHINE DATA SHEETMachine Data Sheet Product DimensionsMill Information Other SpecificationsFeatures Lathe InformationIdentification G0492 12 X 36 Combo Lathe/Mill G0492 12 X 36 Combo Lathe/Mill Additional Safety Instructions for Lathe/Mills Glossary of Terms Circuit Requirements 220V Single-PhaseSECTION 2 CIRCUIT REQUIREMENTS Amperage DrawTo unpack and move the lathe/mill SECTION 3 SET UPSet Up Safety Unpacking and Lifting4-Way Tool Post and Compound Rest Installed Accessories FigurePackaged Accessories Figure InventoryFloor Load Clean UpPlacement Location Site ConsiderationsLoose hair and cloth ing could get caught in machinery and cause seri Operation SafetyThe Power Supply SECTION 4 LATHE OPERATIONSTest Run & Break-In To begin the test run & break-in procedureMounting the Chuck and the Faceplate To remove and install the chuck or face plateTo remove a set of jaws Replacing the JawsNote The chuck need not be removed from the spindle to swap the jaws To load a workpiece in the four-jaw chuck Using the Four-Jaw ChuckTo install the four-jaw chuck Make sure your clamping application will not fail Using the FaceplateTo install the faceplate To load a workpieceTo use the tailstock Using the TailstockTo install the MT#3 drill chuck Drilling with the TailstockTo align the tailstock To setup the tailstock to cut tapersCutting Shallow Tapers with Tailstock Aligning Tailstock7. Turn approximately 0.010 off the diameter Figure 22. Tailstock adjustment option #1Figure 23. Tailstock adjustment option #2 5. Place the live center in the tailstockTo install the MT#5 dead center in the spin- dle To use the steady rest Using the Steady RestUsing the Follow Rest To set the angular position Using the Compound RestUsing the Tool Post Cross Slide Handwheel Using the Manual Feed HandwheelsSetting the Spindle RPM Longitudinal Handwheel= RPM Cutting Speed x Diameter of CutM N A Setting the Power Feed RateTo set and engage the power feed Note All change gears are stamped with the number of teeth they haveNote All change gears are stamped with the number of teeth they have Setup for ThreadingTo setup for threading G0492 12 X 36 Combo Lathe/Mill Change Gear ChartTest Run & Break-In To begin the start up procedureSECTION 5 MILL OPERATIONS Longitudinal Feed Control Using the Mill TablePositioning the Headstock Cross SlideTo remove a cutter from the spindle Installing CuttersTo install a cutter in the spindle Removing CuttersTo use the quill Using the MillTo determine and set the mill to the needed cutting RPM Cutting Speeds for High Speed Steel HSS cutting toolsGeneral Lubrication SECTION 6 MAINTENANCEBasic Maintenance General CleaningTo replace or adjust the V-belts Belt Adjustment or ReplacementGib Adjustments SECTION 7 SERVICECross Slide Backlash Adjustment See Figure Electrical Component and Connection IndexFigure 61. Contactor wiring KM2 and KM3 Electrical ConnectionsFigure 58. Contactor wiring KM1 Figure 59. Junction block wiring Figure 60. Contactor wiring KM2 and KM3Figure 64. Motor connection Figure 65. Start capacitor Figure 66. Mill power switch Figure 69. Lathe motor direction limitswitches Electrical ConnectionsElectrical Connections 220V Wiring DiagramEmergency Stop Switch Power Lamp Jog Button Figure 70. Lathe controls Figure 71. Lathe control panel wiringMotor & Electrical TroubleshootingTroubleshooting Operation and Work ResultsTroubleshooting Operation and Work Results ContinuedH4959-Coolant Dispenser SECTION 8 ACCESSORIESH2689-R8 Quick Change Collet Set 0000 Series Parts 0000 Series Parts ListSECTION 9 PARTS Electrical BoxG0492 12 X 36 Combo Lathe/Mill Lathe Change Gear Housing Diagram 1000 Series PartsPART # 1000 Series Parts ListPART # DESCRIPTIONCombo Lathe/Mill Leadscrew Gearbox Diagram 2700 Series PartsG0492 12 X PART # 2700 Series Parts ListPART # DESCRIPTION3000 Series Parts Thread Dial DiagramPART # 3000 Series Parts ListPART # DESCRIPTION3500 Series Parts Compound Rest and Tool Post DiagramPART # 3500 Series Parts ListPART # DESCRIPTIONX 36 Combo Lathe/Mill Bed 4000 SeriesParts G0492PART # 4000 Series Parts ListPART # DESCRIPTION4500 Series Parts Steady Rest and Follow Rest DiagramPART # 4500 Series Parts ListPART # DESCRIPTION5700 Series Parts Tailstock DiagramPART # 5700 Series Parts ListPART # DESCRIPTION6000 Series Parts Apron DiagramPART # 6000 Series Parts ListPART # DESCRIPTION7500 Series Parts Headstock DiagramPART # 7500 Series Parts ListPART # DESCRIPTION8000 Series Parts Mill Column DiagramPART # 8000 Series Parts ListPART # DESCRIPTION9000 Series Parts Accessories and Labels DiagramPART # 9000 Series Parts ListPART # DESCRIPTIONWARRANTY AND RETURNS G0492 12 X 36 Combo Lathe/Mill Page