Grizzly G0773 Page 36 Owner'S Manual Download | Manualshive

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Model G0773 (Mfd. Since 4/17)

Turn
CCW

Turn
CCW

Turn
CW

Turn
CW

Figure 35. Example of set screw adjustment in

relation to tailstock movement.

Tool Needed

Qty

Hex Wrench 4mm .............................................. 1

Aligning Tailstock to Spindle

Centerline

Figure 36. Turning a dead center.

This is an essential adjustment that should be ver-
ified or performed each time the tailstock is used
to turn concentric workpieces between centers
or immediately after offsetting the tailstock when
turning a taper. If the tailstock is not aligned with
the spindle centerline when it is supposed to be,
turning results will be inaccurate along the length
of the workpiece.

Items Needed

Qty

Hex Wrench 4mm .............................................. 1
Round Stock 2" x 6" .......................................... 2

Offsetting Tailstock

The tailstock quill can be offset from the spindle
centerline for turning tapers. Offsetting the quill
toward the front of the lathe results in a taper at
the tailstock end. Conversely, offsetting the quill
toward the back of the lathe results in a taper at
the spindle end.

Note: The marks on the offset indicator are arbi-
trary. For a precise offset, use a dial indicator to
check quill movement while adjusting the screws.

Figure 34. Tailstock offset adjustment.

Offset

Indicator

Adjustment

Set Screws

(1 of 2)

To offset tailstock:

1. Loosen tailstock lock to release clamping

pressure on top and bottom castings.

2. Rotate adjustment set screws in opposite

directions for desired offset (see below).

3. Tighten tailstock lock to secure the offset.

To align tailstock to spindle centerline:

1. Use precision level to make sure bedway is

level from side to side and from front to back.

— If bedway is not level, correct this condition

before continuing with this procedure (refer
to

Leveling section in this manual).

2. Center drill both ends of a piece of round

stock, then set it aside for use in

Step 5.

3. Use another piece of round stock to make a

dead center. Turn it to a 60° point, as illus-
trated below.

Note:

As long as this dead center remains

unmoved in the chuck, its point will remain
true to the spindle centerline. However, if the
center is removed and later returned to the
chuck, the point must be re-turned to once
again be true with the spindle centerline.

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Summary of Contents for G0773

Page 1: ...UAL For models manufactured since 4 17 COPYRIGHT MARCH 2015 BY GRIZZLY INDUSTRIAL INC WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL INC WKBB17019 PRINTED IN CHINA V2 04 17 ...

Page 2: ...ng grinding tool integrity and the usage of personal protective equipment The manufacturer will not be held liable for injury or property damage from negligence improper training machine modifications or misuse Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other repr...

Page 3: ...6 Compound Rest 38 Four Way Tool Post 38 Manual Feed 40 Spindle Speed 41 Understanding Gear Charts 42 Power Feed 44 End Gears 46 Threading 49 SECTION 5 MILL OPERATIONS 51 Operation Overview 51 Removing Compound Rest 52 Headstock Movement 52 Table Travel 53 Installing Removing Tooling 54 Spindle Speed 56 SECTION 6 ACCESSORIES 57 SECTION 7 MAINTENANCE 61 Schedule 61 Cleaning Protecting 61 Lubricatio...

Page 4: ...nta tion is available for your machine Manufacture Date Serial Number Manual Accuracy We stand behind our machines If you have ques tions or need help contact us with the information below Before contacting make sure you get the serial number and manufacture date from the machine ID label This will help us help you faster Grizzly Technical Support 1815 W Battlefield Springfield MO 65807 Phone 570 ...

Page 5: ...andwheel Compound Rest Handwheel Tailstock 3 Jaw Chuck Cross Slide Handwheel Half Nut Lever Fine Downfeed Handwheel To reduce your risk of serious injury read this entire manual BEFORE using machine Lathe Power Light Spindle Direction Switch Lathe Mill Selector Switch Coarse Downfeed Handwheel Vertical Travel Lock Lever On Off Switch w Emergency Stop Button 4 Way Tool Post Feed Selection Lever Var...

Page 6: ...ing vises or other fixtures J Feed Selection Lever Selects carriage or cross slide for power feed K Half Nut Lever Engages disengages half nut for threading operations L Cross Slide Handwheel Moves cross slide toward and away from workpiece M Carriage Handwheel Manually moves car riage left or right along bedway A Lathe Mill Selector Switch Used to select between lathe mode 1 or mill mode 2 B Spin...

Page 7: ...g features a scale on the side for use as a depth guide O Tailstock Quill Lock Lever Secures quill position so it doesn t shift during operations P Tailstock Lock Lever Secures tailstock position along bedway Q Graduated Dial Indicates quill movement in increments of 0 001 with one full handwheel revolution equaling 0 04 of quill travel R Quill Handwheel Moves quill toward or away from spindle S T...

Page 8: ...ck travel dur ing setups Z Coarse Vertical Handwheel Raises and lowers headstock for Z axis spindle position ing during setups AA Vertical Travel Lock Lever Locks head stock position along column AB Mill Depth Stop Limits downward move ment of mill headstock AC Drill Chuck Holds drill bit during milling operations AD Variable Speed Spindle Control Dial Provides variable control of spindle speed be...

Page 9: ...imensions Type Wood Crate Content Machine Weight 656 lbs Length x Width x Height 61 x 27 x 38 in Must Ship Upright Yes Electrical Power Requirement 110V Single Phase 60 Hz Full Load Current Rating 11 6A Minimum Circuit Size 15A Connection Type Cord Plug Power Cord Included Yes Power Cord Length 6 ft Power Cord Gauge 16 AWG Plug Included Yes Included Plug Type NEMA 5 15 Switch Type ON OFF Push Butt...

Page 10: ...Range of Longitudinal Feeds 0 0016 0 015 in Number of Cross Feeds 15 Range of Cross Feeds 0 0008 0 0061 in Number of Inch Threads 21 Range of Inch Threads 5 72 TPI Number of Metric Threads 12 Range of Metric Threads 0 5 4 mm Mill Info Mill Taper MT 3 Mill Spindle Travel 7 1 8 in Mill Swing 14 1 2 in Distance Spindle To Work Table 10 in Distance Spindle To Bed 12 in Distance Spindle To Center Line ...

Page 11: ...ash guard Emergency stop on lathe and mill Headstock and mill eyeshields Thread dial indicator T slots in cross slide Handwheel dials graduated in inches Electronic variable speed control on mill Fine and coarse mill spindle downfeed with adjustable depth stop Column tilts 45 degrees left and right Chuck guard with safety switch on lathe and mill Accessories Included 6 3 jaw scroll chuck 4 way tur...

Page 12: ... proof DANGEROUS ENVIRONMENTS Do not use machinery in areas that are wet cluttered or have poor lighting Operating machinery in these areas greatly increases the risk of accidents and injury MENTAL ALERTNESS REQUIRED Full mental alertness is required for safe operation of machin ery Never operate under the influence of drugs or alcohol when tired or when distracted For Your Own Safety Read Instruc...

Page 13: ... moving parts or flying debris Make sure they are properly installed undamaged and working correctly BEFORE operating machine FORCING MACHINERY Do not force machine It will do the job safer and better at the rate for which it was designed NEVER STAND ON MACHINE Serious injury may occur if machine is tipped or if the cutting tool is unintentionally contacted STABLE MACHINE Unexpected movement dur i...

Page 14: ...dle with deadly force Make sure workpiece is properly secured before starting the lathe CHUCKS Chucks can be heavy and difficult to hold During installation and removal protect your hands and precision bed ways by using a chuck cradle or piece of plywood over the bed ways Use lifting equipment as necessary for large chucks STOPPING SPINDLE Always allow spindle to completely stop on its own or use ...

Page 15: ...ter You can be severely cut or have fingers amputated from contact with the rotating cutter You can be blinded or struck by broken cutting tools metal chips workpieces or adjustment tools thrown from the rotating spindle with great force To reduce your risk of serious injury when operating this machine completely heed and understand the following SECURE WORKPIECE TO TABLE Clamp workpiece to table ...

Page 16: ... force To reduce the risk of this haz ard read and understand this document and seek additional training from an experienced chuck user before using a chuck CHUCK CAPACITY Avoid exceeding the capacity of the chuck by clamping an oversized workpiece If the workpiece is too large to safely clamp with the chuck use a faceplate or a larger chuck if pos sible Otherwise the workpiece could be thrown fro...

Page 17: ...cuit To reduce the risk of these hazards avoid over loading the machine during operation and make sure it is connected to a power supply circuit that meets the specified circuit requirements For your own safety and protection of property consult an electrician if you are unsure about wiring practices or electrical codes in your area Note Circuit requirements in this manual apply to a dedicated cir...

Page 18: ...rd size gets longer and the gauge size gets smaller higher gauge numbers indicate smaller sizes Any extension cord used with this machine must be in good condition and contain a ground wire and matching plug receptacle Additionally it must meet the following size requirements Minimum Gauge Size 14 AWG Maximum Length Shorter is Better 50 ft Grounding Plug Requirements Figure 6 Typical 5 15 plug and...

Page 19: ...l setup process is as follows 1 Unpack machine and inventory contents of box crate 2 Clean machine and its components 3 Move machine to an acceptable location level bedways and secure in place 4 Assemble machine and make sure it is ready for operation 5 Connect machine to power source 6 Test run machine and various safety compo nents to ensure they function properly 7 Perform spindle break in proc...

Page 20: ...athe Chuck Key 1 M Square Socket T Wrench 1 N Spanner Wrench 63mm Pin Type 1 O Spanner Wrench 45 52mm Hook Type 1 P Hardware Bag 1 Cap Screw M10 1 5 x 35 4 Cap Screw M10 1 5 x 30 3 Cap Screw M8 1 25 x 25 4 Flat Washer 10mm 7 Lock Washer 10mm 3 Q Spindle Locking Pin 1 R Handwheel Handle Cross Slide 1 S Handwheel Handle Carriage 1 T Timing Belt 1 U V Belt 1 V Mill Chuck Key 5 16 AH 11T SD 5 8 1 W He...

Page 21: ...c paint scraper optional Basic steps for removing rust preventative 1 Put on safety glasses 2 Coat the rust preventative with a liberal amount of cleaner degreaser then let it soak for 5 10 minutes 3 Wipe off the surfaces If your cleaner degreas er is effective the rust preventative will wipe off easily If you have a plastic paint scraper scrape off as much as you can first then wipe off the rest ...

Page 22: ...or safe operation and lon gevity of machine components For best results operate this machine in a dry environment that is free from excessive moisture hazardous chemi cals airborne abrasives or extreme conditions Extreme conditions for this type of machinery are generally those where the ambient temperature range exceeds 41 104 F the relative humidity range exceeds 20 95 non condensing or the envi...

Page 23: ... carriage lock is loose and half nut is disengaged 5 Wrap lifting slings around bed and between leadscrew and bedway as shown in Figure 11 to help prevent bending leadscrew during lifting 6 Attach lifting slings to forklift forks or other power lifting equipment Figure 11 Example of lifting slings positioned correctly on a similar machine Lifting Sling Only use lifting slings and power lifting equ...

Page 24: ...and hex nuts to secure machine in place see example below Figure 13 Grizzly Model H2683 12 Master Machinist s Level Leveling machinery helps precision components such as bedways remain straight and flat dur ing the lifespan of the machine The bed on a lathe that is not level may slowly twist due to the dynamic loads placed on the machine during operation For best results use a precision level that...

Page 25: ...iming belt pulley see Figure 15 making sure teeth of belt mesh with notches in pulley 5 Pull timing belt up creating tension in timing belt then tighten 2 hex nuts from Step 1 6 Loosen M8 1 25 x 25 hex bolt that secures ten sioner to timing gear bracket see Figure 16 Tensioner 7 Install V belt onto largest spindle pulley groove and smallest idler pulley groove as shown in Figure 16 8 Pivot tension...

Page 26: ...w others to operate machine until the information is understood To test run machine 1 Make sure all tools and objects used during setup are cleared away from machine 2 Press Emergency Stop button cover see Figure 17 to prevent unexpected start up Figure 17 Headstock controls Emergency Stop Button Cover Lathe Mill Selector Switch Spindle Direction Switch Lathe Power Light 3 Set spindle direction sw...

Page 27: ...her using the machine Turn spindle direction switch OFF to stop lathe disconnect lathe from power and call Tech Support for help 11 Set lathe mill selector switch to 2 for mill mode see Figure 17 on Page 24 Figure 19 Emergency Stop button lathe 13 Open Emergency Stop button switch cover Figure 20 and reset switch in the same manner as you did in Step 8 The mill power light should illuminate if mac...

Page 28: ... spindle at 150 RPM for minimum of 5 minutes in the forward FOR direction and then another 5 minutes in the reverse REV direction Note During Installing V Belt in the Assembly section on Page 23 spindle speed was set at 150 RPM 3 Press Emergency Stop Button to turn lathe OFF 4 DISCONNECT MACHINE FROM POWER 5 Set spindle speed to 1130 RPM and repeat the same process of running spindle for 5 minutes...

Page 29: ...rgency Stop button then removes workpiece The purpose of this overview is to provide the nov ice machine operator with a basic understanding of how the machine is used during operation so the machine controls components discussed later in this manual are easier to understand Due to the generic nature of this overview it is not intended to be an instructional guide To learn more about specific oper...

Page 30: ...rom damage if a chuck or other tooling is dropped see below This lathe is equipped with a D1 type spindle nose This type of spindle uses camlocks that are adjusted with a chuck key to securely mount a chuck or faceplate with repeatable precision and ease Chuck Installation To ensure accurate work it is extremely important to make sure the spindle nose and chuck mating surfaces tapers are clean Eve...

Page 31: ...the same camlocks and studs to operate together for consistent locking and unlocking 7 Verify that chuck fits spindle properly by checking for any gaps between mating surfaces If there is not a gap proceed to Step 8 If there is a gap remove chuck re clean mating surfaces carefully and re install If problem persists contact our Tech Support 8 Verify that chuck spindle tapers are seat ed firmly toge...

Page 32: ...e Jaw Position Poor Scroll Gear Engagement Safer Inside Jaw Use Unsafe Inside Jaw Use Unsafe Jaw Position Safer Outside Jaw Use Poor Scroll Gear Engagement Unsafe Jaw Position and Poor Scroll Gear Engagement Poor Grip Unstable Workpiece Shallow Bar Stock Shallow Bar Stock Safer Outside Jaw Use Safer Inside Jaw Use CORRECT CORRECT CORRECT CORRECT INCORRECT INCORRECT INCORRECT INCORRECT Figure 27 Ja...

Page 33: ... and remove them individu ally in descending order i e 3 2 1 4 Use mineral spirits to clean debris and grime from jaws and chuck jaw guides 5 Apply thin coat of NLGI 2 grease to surfaces of removed jaw set Store in safe place free from moisture and abrasives 6 Rotate chuck key clockwise until you see tip of outer scroll gear lead thread about to enter a jaw guide see below Figure 28 Chuck and jaw ...

Page 34: ...tapered turning The tailstock quill also features independent adjustment controls that allow it to be advanced toward the spindle or locked firmly in position Graduated Dial on Handwheel Increments 0 001 One Full Revolution 0 04 Increments on Quill Scale Inch 0 2 in 0 10 Increments Metric 0 50mm in 1mm Increments Tailstock Quill Specs Positioning Tailstock 1 Rotate tailstock lock lever clockwise f...

Page 35: ...unlock quill lock lever then turn quill handwheel clockwise to feed tool into workpiece Installing Tooling Note If the tooling has an open hole in the end then a screw can be threaded into the end of the tool to provide a solid surface for the quill pin to push against when the quill is retracted for tool removal Otherwise removal of such tooling may be difficult Removing Tooling 1 Use shop rag to...

Page 36: ... Note The marks on the offset indicator are arbi trary For a precise offset use a dial indicator to check quill movement while adjusting the screws Figure 34 Tailstock offset adjustment Offset Indicator Adjustment Set Screws 1 of 2 To offset tailstock 1 Loosen tailstock lock to release clamping pressure on top and bottom castings 2 Rotate adjustment set screws in opposite directions for desired of...

Page 37: ... Figure 37 Example of stock mounted between the centers 4 Install center in tailstock 5 Attach lathe dog to test stock from Step 2 then mount it between centers as shown below 6 Turn 0 010 off stock diameter 7 Mount test or dial indicator so that plunger is on tailstock quill Note If necessary in the following step refer to the Offsetting Tailstock subsection for detailed instructions 8 Use calipe...

Page 38: ...nter making sure that no lint or oil remains on these surfaces Note This will prevent the tapered surfaces from seizing due to operational pressures which could make it very difficult to remove the center 3 Mount chuck or faceplate onto spindle which ever is correct for your operation 4 Insert center into tapered spindle sleeve then insert center into spindle bore The Figure below shows an example...

Page 39: ... overtightening cen ter against workpiece or it may become difficult to remove later and it will result in excessive friction and heat which may dam age workpiece and center Figure 42 Example of using dead center installed in the tailstock Dead Center Mounting Workpiece Between Centers Figure 43 Example photo of a workpiece mounted between two centers Note Only apply enough pressure to securely mo...

Page 40: ... Tool Needed Qty Tool Post T Wrench 1 Installing Tool The four way tool post is mounted on top of the compound rest and allows a maximum of four tools to be loaded simultaneously Each tool can be quickly indexed to the workpiece by loosening the top handle rotating the tool post to the desired position then retightening the handle to lock the tool into position To install tool in tool post 1 Adjus...

Page 41: ...er Align the tip of the cutting tool with a tailstock center as instructed in the following pro cedure For this to work the tailstock must be aligned to the spindle centerline refer to Aligning Tailstock To Spindle Centerline for detailed instructions Cutting Tool Spindle Center Line Figure 46 Cutting tool aligned with spindle centerline viewed from tailstock Tools Needed Qty Tool Post T Wrench 1 ...

Page 42: ...Slide Handwheel Compound Rest Handwheel Cross Slide Handwheel Graduated Dial Increments 0 001 0 025mm One Full Revolution 0 08 2 03mm Use this handwheel to move the tool toward and away from the work The cross slide handwheel has an indirect read graduated dial which shows the actual distance the table moves Compound Rest Handwheel Graduated Dial Increments 0 001 0 025mm One Full Revolution 0 08 2...

Page 43: ...in order to produce the desired finish and optimize tool life The books Machinery s Handbook or Machine Shop Practice and some internet sites pro vide excellent recommendations for which cutting speeds to use when calculating the spindle speed These sources also provide a wealth of additional information about the variables that affect cutting speed and they are a good educational resource Also th...

Page 44: ...the end gears for power feeding or threading operations Figure 52 Feed chart Feed Chart Displays gearbox dial positions for different speeds of automatic feed power feed used with turning operations see Figure 52 Figure 51 Feed and thread charts label Feed Thread Charts Label The feed and thread charts label see Figure 51 provides information for setting up end gears for threading or non threading...

Page 45: ...rt Figure 58 Numbers in dotted line indicate the TPI or threads per inch Threads Per Inch TPI Figure 59 Identification of gears on shafts Upper Shaft Gears Middle Shaft Gears Lower Shaft Gears Figure 54 G0773 feed rate chart Indicates Metric Thread Pitch Indicates Threads Per Inch TPI Figure 55 indicates that for a longitudinal feed rate of 0 0016 in rev the G position gear must be 30T the numeric...

Page 46: ... and figures to understand the power feed controls Before using power feed you may have to recon figure the end gears depending on how they are set up refer to Power Feed Configuration on Page 45 The lathe comes from the factory with the end gears set up in the power feed configura tion A Spindle Direction Switch Enables forward or reverse carriage travel when feed direction dial and half nut leve...

Page 47: ...ly after completing power feed operations Follow the example below to better understand how to set the lathe power feed Tools Needed Qty Hex Wrench 5mm 1 Hex Wrench 8mm 1 Setting Power Feed Rate To set a feed rate of 0 0016 in rev 1 DISCONNECT MACHINE FROM POWER 2 Install 30T change gear in G position see Figure 64 Figure 65 Gearbox dial settings for 0016 in rev Figure 64 Reading feed chart for 00...

Page 48: ...uration is used for metric and 19TPI threading Mesh the G position gear with the 91T change gear and mesh the 86T change gear with the 90T gear on the lower shaft as shown in Figure 68 Figure 68 End gear configuration for metric and 19TPI threading End Gears This section explains how to configure end gears for feeding and threading operations Power Feed Configuration The end gears are preset by th...

Page 49: ...port and end gears G Position Gear Arm Support Cap Screw 86T 91T Gears Lower Position Gear 90T 72 TPI Arm Support Cap Screw Gear Support Shaft 30T Gear 90T Gear 86T Gear 91T Gear 5 Loosen 86T 91T gear support shaft and slide middle gear away from lower position gear see Figure 71 6 Remove cap screw and flat washer from G position position gear then slide gears off of shaft 7 Slide 30T gear onto G ...

Page 50: ...feed reverse threading operations 1 DISCONNECT LATHE FROM POWER 2 Open headstock end gear cover 3 Loosen upper arm support cap screw shown in Figure 74 4 Pivot upper arm support up so 2nd upper arm gear and spindle gear mesh with 0 002 to 0 004 backlash then tighten upper arm support cap screw see Figure 75 For reverse feeding operations the upper end gear arm support see Figure 74 must be repo si...

Page 51: ...th 30T gear in G position as explained on Page 46 2 Locate 72 TPI on the inch threading chart below Figure 76 72 TPI and corresponding dial positions 72 TPI Alpha Dial Numeric Dial Figure 77 Gearbox dial settings for 72 TPI 3 Locate A above 72 TPI and find 1 to the left of it Note In the next step use the chuck key to rock the spindle back and forth to help mesh the gears as you make adjustments 4...

Page 52: ...nut lever The operator returns the carriage for the next pass and re engages the half nut using the same thread dial setting to resume the cut in the previous pass Thread Dial Gears The G0773 thread dial comes with a 28T gear installed on the thread dial for cutting standard threads A 30T gear is also included for cutting some metric threads but it must be installed in place of the 28T thread dial...

Page 53: ... controls components discussed later in this manual are easier to understand Due to the generic nature of this overview it is not intended to be an instructional guide To learn more about specific operations read this entire manual seek additional training from experienced machine operators and do additional research outside of this manual by reading how to books trade magazines or websites To red...

Page 54: ...previously removed Figure 83 Swivel base components Mounting Post x2 Headstock Movement The milling headstock moves in the following ways Travels up and down the column Z axis Tilts 45 left or right relative to the table Raising Lowering Headstock 1 Loosen Z axis lock lever shown in Figure 84 3 Use the fine vertical handwheel shown in Figure 85 for precision vertical adjustment during milling oper...

Page 55: ...le directions of cross slide travel These movements are controlled by the car riage handwheel and cross slide handwheel see Figure 88 Figure 88 Table travel controls Cross Slide Handwheel Y Axis Cross Slide Table Carriage Handwheel X Axis Cross Slide Handwheel Y Axis Graduated Dial Increments 0 001 0 025mm One Full Revolution 0 08 2 03mm Use this handwheel to move the cross slide table toward or a...

Page 56: ...bar cap see Figure 89 Figure 89 Location of drawbar cap Drawbar Cap 3 Insert tooling not included into spindle until in contacts drawbar 4 Working from the top thread drawbar by hand into tooling until snug see Figure 90 Figure 90 Threading drawbar into tooling 5 Insert spindle locking pin into hole in spindle and tighten drawbar as shown in Figure 91 Note Do not overtighten drawbar Overtightening...

Page 57: ...o spindle and loosen drawbar see Figure 91 on Page 54 4 Unthread drawbar from tooling one full rota tion Note Do not fully unthread tooling from drawbar or the drawbar and tool threads could be damaged in the next step Figure 92 Example of tapping drawbar to unseat tool taper 6 Hold onto tooling with one hand and fully unthread drawbar with the other hand 5 Tap top of drawbar with hammer to unseat...

Page 58: ...duce the desired finish and optimize tool life The books Machinery s Handbook or Machine Shop Practice and some internet sites pro vide excellent recommendations for which cutting speeds to use when calculating the spindle speed These sources also provide a wealth of additional information about the variables that affect cutting speed and they are a good educational resource Also there are a large...

Page 59: ...ol too Indexable inserts ensure cutting surfaces stay sharp order online at www grizzly com or call 1 800 523 4777 H2987 Bent Lathe Dog H2988 1 Bent Lathe Dog H2989 1 Bent Lathe Dog H2990 2 Bent Lathe Dog H2991 3 Bent Lathe Dog Figure 96 Model T10294 7 Pc carbide tipped tool set Figure 97 Model H2990 1 2 Bent Lathe Dog SB1365 South Bend Lathe Way Oil 12 oz T23962 ISO 68 Moly D Way Oil 5 gal T23963...

Page 60: ...T3 High Precision Drill Chuck G1677 Drill Chuck Arbor MT3 JT3 Unlike most keyed drill chucks Models H6202 and H6204 are made to very tight tolerances on CNC equipment and are some of the finest drill chucks on the market today They have very high gripping strength and are suitable for heavy duty high speed drilling Each chuck includes a high visibility chuck key Drill chuck arbors are used to adap...

Page 61: ...l Vise T10254 2 Mini Self Centering Vise Ideal for holding small parts and model making Both models feature self centering jaws adjust able gib on a dovetailed way 21 16 jaw opening and 2 jaw width T10253 base swivels 360 and overall size is 63 4 L x 4 W x 33 8 H with handle removed T10254 overall size is 61 2 L x 31 2 W x 23 8 H with handle removed Figure 103 Mini Self Centering Vises Model Cutti...

Page 62: ...d 3 8 shank mini cut off tool holder with 1 16 HSS blade and 5 16 shank knurling tool holder with pivoting head single horizontal verti cal knurling tool holder and assorted hex wrench es Maximum shank size is 1 2 Figure 108 T10255 Mini Lathe Tool Kit Figure 109 High pressure oil can for ball oilers H7616 Oil Can w Plastic Nozzle This high pressure oil can is perfect for lubricating the ball oiler...

Page 63: ...nt accidental startup Vacuum clean all chips and swarf from bed slides Wipe down all unpainted or machined sur faces with an oiled rag Annually Lubricate end gears Page 65 Cleaning Protecting Because of its importance we recommend that the cleaning routine be planned into the workflow schedule Typically the easiest way to clean swarf from the machine is to use a brush and wet dry shop vacu um that...

Page 64: ...metal needle or lance tips as they can push the ball too far into the oiler break the spring seat and lodge the ball in the oil galley Lubricate the ball oilers before and after machine use and more frequently under heavy use When lubricating ball oilers first clean the outside sur face to remove any dust or grime Push the tip of the oil can nozzle against the ball oiler to create a hydraulic seal...

Page 65: ...iage rack see Figure 114 clean them first with min eral spirits Use a stiff brush to help remove any debris or grime Apply a thin coat of oil along the entire length of the carriage rack Use a stiff brush to make sure oil is applied into the leadscrew threads Note In some environments abrasive material can become caught in the leadscrew lubricant and drawn into the half nut In this case lubricate ...

Page 66: ...change gear box drain plug see Figure 115 Use an 8mm hex wrench to remove the gearbox fill plug then remove the drain plug and allow the gearbox res ervoir to empty Re install the drain plug and add oil until the level is approximately halfway in the gearbox oil sight glass then re install the fill plug Oil Type Grizzly T23963 or ISO 32 Equivalent Oil Amount 1 Quart Check Add Frequency Daily Chang...

Page 67: ...ee of dust or debris from the outside environment Lubricating 1 DISCONNECT MACHINE FROM POWER 2 Remove end gear cover and all end gears shown in Figure 117 3 Clean end gears thoroughly with mineral spir its to remove old grease Use a small brush if necessary to clean between teeth 4 Clean shafts and wipe away any grease splatters in vicinity and on inside of end cover 5 Using a clean brush apply a...

Page 68: ...e all ball oilers and oil passages with fresh oil 4 Place a few moisture absorbing desiccant packs inside electrical box 5 Cover machine and place it in a dry area that is out of direct sunlight and away from haz ardous fumes paint solvents or gas Fumes and sunlight can bleach or discolor paint 6 Every few months rotate by hand all gear driven components a few times in several gear selections This...

Page 69: ...eplace switch 10 Test replace switch 11 Test repair replace Machine stalls or is underpowered 1 Machine undersized for task 2 Belts slipping or contaminated with oil or grease 3 Wrong workpiece material 4 Feed rate cutting speed too fast 5 Motor overheated 6 Computer board at fault 7 Motor speed dial at fault 8 Pulley sprocket slipping on shaft 9 Motor bearings at fault 10 Motor at fault 1 Use sha...

Page 70: ...lash to a minimum see Page 71 4 Adjust leadscrew to remove end play see Page 71 Cross slide compound or carriage handwheels hard to move 1 Ways loaded with chips dust or grime 2 Gibs are too tight 3 Backlash setting too tight 4 Bedways are dry 5 Half nut lever engaged 1 Clean ways and lubricate 2 Loosen gibs slightly see Page 72 3 Slightly loosen backlash setting see Page 71 4 Lubricate bedways 5 ...

Page 71: ... or chatters during operation 1 Workpiece not secure 2 Spindle speed feed rate is too fast 3 Spindle extended too far down 1 Properly clamp workpiece on table or in vise 2 Set spindle speed correctly Page 56 or use slower feed rate 3 Fully retract spindle and lower headstock This increases rigidity Cross slide table is hard to move 1 Chips have loaded up on ways 2 Ways are dry and need lubrication...

Page 72: ... belt deflection 1 8 The V belt is correctly tensioned when there is approximately 1 8 deflection when pushed with moderate pressure between the pulleys as shown in Figure 120 If there is more than 1 8 deflection adjust tension until it is correct 5 Close end cover Replacing V Belts 1 DISCONNECT MACHINE FROM POWER 2 Open end cover 3 Loosen tensioner bolt see Figure 119 to relieve tension on V belt...

Page 73: ...djusted by tightening and loosening the set screw shown in Figure 121 Adjusting Leadscrew End Play A small amount of end play is normal however after a long period of time you may find that the leadscrew develops excessive end play This can be removed with a simple adjustment of the nuts at the end of the leadscrew Tools Needed Qty Hex Wrench 6mm 1 Open End Wrench 19mm 1 To remove leadscrew end pl...

Page 74: ... movement Most machinists find that the ideal gib adjustment is one where a small amount of drag or resistance is present yet the handwheels are still somewhat easy to move Clean and lubricate the ways before beginning any adjustments Refer to Lubrication on Page 62 for instructions and lubricant specifications Tools Needed Qty Open End Wrench 10mm 1 Hex Wrench 3mm 1 Flat Head Screwdriver 2 1 3 Ad...

Page 75: ...djust half nut 1 DISCONNECT MACHINE FROM POWER 2 Disengage half nut Adjusting Half Nut 4 Engage disengage half nut several times and notice how it feels The adjustment is cor rect when half nut firmly and easily engages leadscrew while opening and closing 5 Repeat Steps 3 4 if necessary until satis fied with feel of half nut engagement 6 Re tighten gib nuts to secure position of adjustment screws ...

Page 76: ...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 rienc...

Page 77: ...Stop Emergency Stop Mill Safety Guard Limit Switch Lathe Motor Inside 110V 11 6A Single Phase 1 HP 1700 RPM Limit Switches Inside Spindle Direction Switch Circuit Breaker Back Panel Chint NB1 63 D16 400V 16A BLDC Mill Motor 230V 2 8A 5 8 HP 5000 RPM Lathe Mill Selector Switch Model G0773 Mfd Since 4 17 75 READ ELECTRICAL SAFETY ON PAGE 74 ...

Page 78: ...3 24 13 14 A1 KEDU KJD17B 120V KEDU ZH B 5E4 Top KEDU ZH B 5E4 Bottom 2 4 B1 B2 A1 A2 1 2 5 7 8 6 GND GND GND Wt Wt Gn Rd Rd Rd Rd Rd Yl Yl Gy Gy Or Or Or Br Br Br Br Br Pk Tq Pu Wt Gn Rd Yl Gy Or Br Yl Or Pu Pu Rd Rd Pu L N U V M Halogen Power Indicator Lamp Green 110V MOTOR Start Capacitor 300MFD 125VAC Bk Bk Bk Bk Gn 5 7 7 6 KEDU QKS7 AC 15 250VAC Mill Shield Limit Switch 1 2 2 4 L L N N 4 1 3 ...

Page 79: ...panel Figure 128 Headstock casting Figure 126 Mill rear electrical box and switch box Figure 127 Mill drill motor Figure 130 Start and run capacitors Figure 129 Back panel Model G0773 Mfd Since 4 17 77 READ ELECTRICAL SAFETY ON PAGE 74 ...

Page 80: ...GE GEAR 35T 4 P07730004 HEX WRENCH 5MM 18 P07730018 CHANGE GEAR 60T 5 P07730005 HEX WRENCH 6MM 20 P07730020 WRENCH 36MM OPEN END 6 P07730006 HEX WRENCH 8MM 22 P07730022 CAP SCREW M6 1 X 10 7 P07730007 WRENCH 8 X 10MM OPEN ENDS 23 P07730023 3 JAW CHUCK 6 8 P07730008 WRENCH 12 X 14MM OPEN ENDS 23 1 P07730023 1 CHUCK 6 D1 5 9 P07730009 WRENCH 17 X 19MM OPEN ENDS 23 2 P07730023 2 EXTERNAL JAW SET 10 P...

Page 81: ...N 106 P07730106 LEADSCREW 118 P07730118 KEY 4 X 4 X 28 107 P07730107 HEX NUT M12 1 5 THIN 119 P07730119 CAP SCREW M6 1 X 12 108 P07730108 FLAT WASHER 12MM 120 P07730120 DOWEL PIN 8 X 16 109 P07730109 LEADSCREW BRACKET 121 P07730121 BED RACK 110 P07730110 PROTECTIVE SUPPORT 122 P07730122 FLAT WASHER 6MM 111 P07730111 CAP SCREW M4 7 X 8 124 P07730124 LOCK WASHER 6MM 112 P07730112 FEED ROD 125 P07730...

Page 82: ...01 243 245 230 251 281 282 283 284 285 287 288 289 290 291 292 293 230 231 204 233 229 228 227 245 204 209 226 247 248 249 238 226 240 242 226 204 265 299 298 297 296 295 294 278 279 280 286 215 217 218 219 220 206 221 216 208 209 237 80 Model G0773 Mfd Since 4 17 ...

Page 83: ... 219 P07730219 LATHE CHUCK GUARD HARD STOP 283 P07730283 SPINDLE SPACER 220 P07730220 LATHE CHUCK GUARD SHIM 284 P07730284 SPINDLE GEAR 221 P07730221 LATHE CHUCK GUARD BRACE 285 P07730285 SPINDLE SPACER 222 P07730222 EXT TOOTH WASHER 4MM 286 P07730286 OIL SEAL 223 P07730223 FLAT WASHER 4MM 287 P07730287 BALL BEARING 6010ZZ 224 P07730224 LOCK WASHER 4MM 288 P07730288 INT RETAINING RING 80MM 225 P07...

Page 84: ...8 P07730338 SET SCREW M8 1 25 X 16 DOG PT 311 P07730311 FLAT WASHER 12MM 339 P07730339 SQ HD BOLT M12 1 75 X 230 317 P07730317 QUILL HANDWHEEL HANDLE 340 P07730340 TAILSTOCK BASE 318 P07730318 SHOULDER SCREW M6 1 X 10 10 X 45 341 P07730341 THRUST BEARING 51102 319 P07730319 HANDWHEEL 100MM DIA DISHED W HANDLE 342 P07730342 TAILSTOCK END COVER 320 P07730320 HANDWHEEL CURVED PLATE SPRING 343 P077303...

Page 85: ...D REST BASE 406 P07730406 BALL OILER 6MM PRESS IN 422 P07730422 SET SCREW M6 1 X 20 CONE PT 407 P07730407 COMPOUND REST 423 P07730423 HEX NUT M6 1 THIN 408 P07730408 SET SCREW M6 1 X 10 CONE PT 424 P07730424 LEADSCREW COLLAR 6MM 409 P07730409 COMPOUND REST LEADSCREW NUT 425 P07730425 TOOL POST SHAFT M12 1 75 410 P07730410 COMPOUND REST LEADSCREW 426 P07730426 COMPRESSION SPRING 411 P07730411 TOOL ...

Page 86: ...509 507 511 512 513 514 515 516 504 527 518 517 520 518 522 524 519 519 523 525 532 533 534 529 536 517 537 538 518 539 540 547 541 542 543 544 545 546 518 519 519 528 548 530 531 535 537 529 527 526 544 510 543 84 Model G0773 Mfd Since 4 17 ...

Page 87: ... 537 P07730537 STRAIGHT WAY WIPER COVER 513 P07730513 HANDWHEEL 68MM DIA FLAT W HANDLE 538 P07730538 SADDLE CASTING 514 P07730514 HEX NUT M10 1 5 539 P07730539 V WAY WIPER COVER LONG 515 P07730515 HANDWHEEL HANDLE 50MM 540 P07730540 V WAY WIPER LONG 516 P07730516 SHOULDER SCREW M6 1 X 8 8 X 45 541 P07730541 SADDLE GIB 517 P07730517 STRAIGHT WAY WIPER 542 P07730542 SADDLE CLAMP SLIDE 518 P07730518 ...

Page 88: ...14 615 613 624 623 622 629 657 656 647 626 627 633 632 631 628 629 630 625 639 606 650 655 635 637 638 640 641 634 636 604 643 642 644 613 646 649 651 648 652 653 609 647 654 645 641 658 659 660 661 662 663 664 658 666 667 668 669 670 671 672 673 674 86 Model G0773 Mfd Since 4 17 ...

Page 89: ...SPRING 618 P07730618 EXT RETAINING RING 35MM 655 P07730655 SHOULDER SCREW M8 1 25 X 10 9 X 70 619 P07730619 FEED SELECTOR CAM SHAFT 656 P07730656 SET SCREW M6 1 X 12 620 P07730620 FEED SELECTOR SHAFT MOUNT 657 P07730657 COMPRESSION SPRING 621 P07730621 CAP SCREW M6 1 X 30 658 P07730658 PHLP HD SCR M4 7 X 8 622 P07730622 EXT RETAINING RING 15MM 659 P07730659 FLAT WASHER 4MM 623 P07730623 BUSHING 66...

Page 90: ...1 722 723 724 723 726 727 728 729 701 731 732 733 734 740 739 738 748 741 749 735 742 736 735 701 743 760 759 758 757 756 755 754 701 752 751 750 744 745 746 763 770 769 764 766 765 771 772 773 767 768 762 753 747 737 762 761 725 718 768 704 770 708 730 741 741 88 Model G0773 Mfd Since 4 17 ...

Page 91: ... 754 P07730754 CLUTCH COUPLER 719 P07730719 SPACER 755 P07730755 O RING 15 X 1 8 720 P07730720 SHAFT 756 P07730756 CLUTCH DRIVE SIDE 721 P07730721 KEY 5 X 5 X 60 757 P07730757 CLUTCH FOLLOW SIDE 722 P07730722 GEAR 30T 758 P07730758 CLUTCH HOUSING 723 P07730723 SPACER 759 P07730759 COMPRESSION SPRING 724 P07730724 GEAR 19T 760 P07730760 FEED ROD COUPLING 725 P07730725 SELECTOR KNOB SHAFT 761 P07730...

Page 92: ...26 827 836 828 831 832 829 830 834 835 816 817 859 844 843 842 841 840 839 837 838 811 812 847 848 850 841 857 853 849 851 845 805 854 801 802 803 804 851 845 833 846 851 845 807V2 807V2 860 856V2 810V2 810V2 810V2 860 810V2 856V2 90 Model G0773 Mfd Since 4 17 ...

Page 93: ... SCREW M5 8 X 10 CONE PT 843 P07730843 ROLL PIN 3 X 30 816 P07730816 PHLP HD SCR M5 8 X 10 844 P07730844 CHANGE GEAR CABINET KNOB 817 P07730817 ACCESS PORT COVER 845 P07730845 FLAT WASHER 6MM 818 P07730818 CAP SCREW M6 1 X 14 846 P07730846 SUPPORT ARM HANDLE M5 8 X 8 819 P07730819 FENDER WASHER 6MM 847 P07730847 FENDER WASHER 8MM 820 P07730820 KEY 4 X 4 X 22 848 P07730848 SPACER 821 P07730821 GEAR...

Page 94: ... 929 930 931 932 933 932 934 929 936 937 939 925 926 938 927 940 947 948 949 950 945 946 945 969 908 909 910 911 912 921 922 923 924 925 927 928 920 919 916 915 914 917 918 941 935 2 935 1 935 4 935 6 935 5 935 3 935 8 935 7 935 9 92 Model G0773 Mfd Since 4 17 ...

Page 95: ... X 15 X 124 935 8 P07730935 8 BALL BEARING 6204 2RS 914 P07730914 CAP SCREW M5 8 X 12 935 9 P07730935 9 BALL BEARING 6204 2RS 915 P07730915 MOTOR ENCLOSURE COVER TOP 936 P07730936 TENSIONER SUPPORT ARM SHAFT 916 P07730916 FLAT HD SCR M3 5 X 10 937 P07730937 SPACER 917 P07730917 SOCKET IEC 320 C14 110V 938 P07730938 FLAT WASHER 10MM 918 P07730918 HEX NUT M3 5 939 P07730939 HEX NUT M10 1 5 919 P0773...

Page 96: ...160 1151 1018 1069 1068 1040 1041 1043 1044 1045 1045 1042 1028 1031 1046 1047 1039 1014 1048 1028 1052 1049 1050 1028 1054 1053 1046 1051 1074 1067 1070 1078 1073 1072 1075 1176 1159 1079 1076 1077 1078 1141 1142 1142 1 1143 1149 1055 1056 1057 1058 1059 1060 1061 1071 1066 1062 1063 1064 1065 1158 1158 1184 1004 1058 1018 1185 1145 1 1145 1146 1147 1083 1080 1084 1164 1165 1166 1167 1168 1169 11...

Page 97: ... X 4 X 8 1115 P07731115 GEARED SHAFT 14T 1057 P07731057 TORSION SPRING 1116 P07731116 GEAR 29T 1058 P07731058 SPACER 1117 P07731117 WORM SUPPORT 1059 P07731059 SPRING HOUSING 1118 P07731118 DOWEL PIN 4 X 16 1060 P07731060 FLAT HD SCR M5 8 X 8 1119 P07731119 COMPRESSION SPRING 1061 P07731061 SPRING SHROUD 1120 P07731120 SET SCREW M6 1 X 8 1062 P07731062 SUPPORT BRACE 1121 P07731121 STEEL BALL 5MM 1...

Page 98: ...7731173 FLAT WASHER 5MM 1151 P07731151 FUSE ENCLOSURE 1174 P07731174 THUMB SCREW M5 8 X 20 1152 P07731152 MILL MOUNTING BRACKET 1175 P07731175 MILL SAFETY SHIELD 1153 P07731153 CONNECTING ROD M14 2 X 20 1176 P07731176 MILL SAFETY SHIELD EXTENSION 1154 P07731154 HEX NUT M14 2 1177 P07731177 BRACKET 1155 P07731155 ADJUSTABLE FOOT M14 2 1178 P07731178 LIMIT SWITCH KEDU QKS7 AC15 250V 1156 P07731156 S...

Page 99: ...204 READ MANUAL LABEL 1209 P07731209 GRIZZLY GREEN TOUCH UP PAINT 1205 P07731205 FACE SHIELD SAFETY GLASSES LABEL Labels Cosmetics 1201 1203 1204 1205 1206 1207 1208 1209 1202 Model G0773 Mfd Since 4 17 97 Safety labels help reduce the risk of serious injury caused by machine hazards If any label comes off or becomes unreadable the owner of this machine MUST replace it in the original location bef...

Page 100: ...Thread Dial Chart 98 Model G0773 Mfd Since 4 17 SECTION 11 APPENDIX Threading Feeding Chart ...

Page 101: ... metalworker ____ 0 2 Years ____ 2 8 Years ____ 8 20 Years ____20 Years 6 How many of your machines or tools are Grizzly ____ 0 2 ____ 3 5 ____ 6 9 ____10 7 Do you think your machine represents a good value _____Yes _____No 8 Would you recommend Grizzly Industrial to a friend _____Yes _____No 9 Would you allow us to use your name as a reference for Grizzly customers in your area Note We never use ...

Page 102: ...D LINE FOLD ALONG DOTTED LINE GRIZZLY INDUSTRIAL INC P O BOX 2069 BELLINGHAM WA 98227 2069 Place Stamp Here Name_______________________________ Street_______________________________ City______________State______Zip______ Send a Grizzly Catalog to a friend ...

Page 103: ... shall be tried in the State of Washington County of Whatcom We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our products To take advantage of this warranty contact us by mail or phone and give us all the details We will then issue you a Return Number which must be clearly posted on the o...

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