Page 3 - Table of contents
Table of contents SEcTION 5: AccESSORIES ......................... 42 SEcTION 6: MAINTENANcE ......................... 46 schedule ...................................................... 46Cleaning & protecting .................................. 46lubrication ........................................
Page 4 - INTRODucTION; foreword; contact Info
-2- g9249 12" x 37" Belt drive gap Bed lathe INTRODucTION foreword We are proud to offer the Model g9249 12" x 37" Belt drive gap Bed lathe. this machine is part of a growing grizzly family of fine metal-working machinery. When used according to the guidelines set forth in this manua...
Page 5 - Identification
g9249 12" x 37" Belt drive gap Bed lathe -3- Identification figure 1. Model g9249 identification. A B C d e F g h i J K l M n o p Q r s AC Ad Ae AF Ag A. Feed direction lever B. Change gear Cabinet c. electrical Cabinet D. headstock Cover E. headstock threaded spindle 2 1 ⁄ 4 "-8 Mt#5 f....
Page 6 - Machine Data Sheet
-4- g9249 12" x 37" Belt drive gap Bed lathe The information contained herein is deemed accurate as of 5/29/2008 and represents our most recent product specifications. Due to our ongoing improvement efforts, this information may not accurately describe items previously purchased. PAGE 1 OF 3...
Page 9 - Safety Instructions for Machinery
g9249 12" x 37" Belt drive gap Bed lathe -7- Safety Instructions for Machinery !,7!93 53% (%!2).' 02/4%#4)/. 7(%. /0%2!4).' -!#().%29BVX]^cZgn cd^hZ XVc XVjhZ eZgbVcZci ]ZVg^c\adhh# 7%!2 02/0%2 !00!2%, 9D CDI lZVgaddhZXadi]^c\!\adkZh!cZX`i^Zh!g^c\h! dg _ZlZagn i]Vi XVc XViX] ^c bdk^c\ eVgih#...
Page 12 - SEcTION 2: cIRcuIT REQuIREMENTS; Minimum cord Requirements
-10- g9249 12" x 37" Belt drive gap Bed lathe 220V Operation full Load Amperage Draw this machine draws the following amps under maximum load: Amp draw ............................................. 7.5 Amps Power Supply circuit Requirements you Must connect your machine to a grounded circuit...
Page 13 - Setup Safety; Items Needed for; unpacking
g9249 12" x 37" Belt drive gap Bed lathe -11- Wear safety glasses dur- ing the entire setup pro- cess! This machine presents serious injury hazards to untrained users. Read through this entire manu- al to become familiar with the controls and opera- tions before starting the machine! Setup S...
Page 14 - Inventory
-12- g9249 12" x 37" Belt drive gap Bed lathe Inventory the following is a description of the main compo-nents shipped with your machine. lay the compo-nents out to inventory them. Note: If you can't find an item on this list, check the mounting location on the machine or examine the packagi...
Page 15 - clean up
g9249 12" x 37" Belt drive gap Bed lathe -13- the unpainted surfaces are coated with a waxy oil to prevent corrosion during shipment. remove this protective coating with a solvent cleaner or degreaser shown in figure 6. For thorough cleaning, some parts must be removed. for opti- mum perform...
Page 16 - floor Load; Placement Location; Site considerations
-14- g9249 12" x 37" Belt drive gap Bed lathe floor Load refer to the Machine Data Sheet on Page 4 for the weight and footprint specifications of your machine. some residential floors may require additional reinforcement to support both the machine and operator. Placement Location Consider e...
Page 18 - Bolting to concrete floors; Mounting to Shop; using Machine Mounts; NOTICE; NOTICE
-16- g9249 12" x 37" Belt drive gap Bed lathe Although not required, we recommend that you mount your new machine to the floor. Because this is an optional step and floor materials may vary, floor mounting hardware is not included. generally, you can either bolt your machine to the floor or ...
Page 21 - Recommended
g9249 12" x 37" Belt drive gap Bed lathe -19- NOTICE Successfully complete all of the spindle break-in steps to avoid rapid deterioration of the spindle bearings and other related parts. Spindle Break-In To correctly break-in the spindle bearings: 1. disConneCt lAthe FroM poWer! 2. Make sure...
Page 22 - SEcTION 4: OPERATIONS; Operation Safety; Headstock controls
-20- g9249 12" x 37" Belt drive gap Bed lathe SEcTION 4: OPERATIONS Damage to your eyes could result from using this machine without proper protective gear. Always wear safety glasses or a face shield when operating this machine. NOTICE If you have never used this type of machine or equipmen...
Page 24 - Removing a chuck or faceplate
-22- g9249 12" x 37" Belt drive gap Bed lathe chuck & faceplate Mounting /Removal the Model g9249 features a threaded 2 1 ⁄ 4 "-8 spindle with a Mt#3 taper. Mounting and removal procedures for the chucks and faceplate are the same. Before storing, clean debris or built-up grime from ...
Page 25 - Mounting a chuck or faceplate; Mounting a
g9249 12" x 37" Belt drive gap Bed lathe -23- 5. lightly tap the breaker bar with the dead blow hammer to loosen the chuck or faceplate counterclockwise from the spindle threads. — if removing a chuck, open the jaws and slide the breaker bar between the jaws, as shown in figure 24. — if remo...
Page 26 - using the 3-Jaw chuck
-24- g9249 12" x 37" Belt drive gap Bed lathe using the 3-Jaw chuck the 3-jaw scroll-type chuck included with this lathe features hardened steel jaws that center the workpiece. When the operator opens or closes the jaws with the chuck key, the jaws move in unison. there are two sets of jaws ...
Page 27 - using the 4-Jaw chuck
g9249 12" x 37" Belt drive gap Bed lathe -25- figure 27. installing jaw into the 3-jaw chuck. scroll-gear lead thread 6. position the jaw with the beveled edge point- ing to the center of the chuck, then insert the jaw into the jaw guide and hold it against the scroll-gear lead thread. 7. Wh...
Page 28 - using the faceplate; centers; Installing a Sleeve and center into
-26- g9249 12" x 37" Belt drive gap Bed lathe Always use a low spindle speed when machining non-cylindrical or off-center workpieces to avoid ejecting the workpiece from the holding device at a high rate of speed. failure to heed this warning could lead to serious personal injury or property...
Page 29 - Removing a Sleeve and center from; Tailstock; Installing a Tapered Tool into the
g9249 12" x 37" Belt drive gap Bed lathe -27- 3. Mount the faceplace to the spindle (see figure 32). Note: When using a dead center in the spin- dle, use a lathe dog so that your workpiece will rotate with the spindle and not spin on the dead center tip. figure 32. dead center and faceplate ...
Page 30 - Offsetting Tailstock; Aligning Tailstock
-28- g9249 12" x 37" Belt drive gap Bed lathe Offsetting Tailstock the tailstock can be positioned offset from the spindle, or moved side-to-side from the spindle center line. this tailstock feature is most often used when cutting a taper. When the tailstock is positioned toward the operator...
Page 32 - Drilling with
-30- g9249 12" x 37" Belt drive gap Bed lathe — if the stock is thinner at the tailstock end, move the tailstock away from the operator half the distance of the amount of taper (see figure 39). BdkZiV^ahidX`^c ]Va[i]ZY^hiVcXZ d[i]ZiVeZg# figure 39. tailstock adjustment away from the operator...
Page 33 - Steady Rest
g9249 12" x 37" Belt drive gap Bed lathe -31- Steady Rest the steady rest serves as a support for long shafts where the length to diameter ratio is 3:1 or greater. the steady rest can be positioned anywhere along the length of the workpiece or bedway. Tools Needed Qty Wrench 19mm ..............
Page 34 - follow Rest; cross Slide
-32- g9249 12" x 37" Belt drive gap Bed lathe follow Rest the follow rest shown in figure 44 is mounted on the front of the saddle and follows the movement of the tool along the length of the workpiece. the follow rest is used on long, slender parts to pre-vent flexing of the workpiece from ...
Page 36 - Spindle Speed; calculating the correct Spindle RPM; configuring the V-Belts and Back; DIRECT
-34- g9249 12" x 37" Belt drive gap Bed lathe Spindle Speed to set the correct spindle speed for your opera-tion, you will need to: 1) determine the spindle speed needed for your workpiece, and 2) config-ure the belts and gears for the calculated spindle speed. calculating the correct Spindl...
Page 38 - Power feed
-36- g9249 12" x 37" Belt drive gap Bed lathe Power feed the rotating feed rod provides powered move-ment of the carriage or the cross slide. the car-riage moves left or right along the spindle center line, and the cross slide moves in or out across the spindle center line. Note: Using the l...
Page 39 - Setting feed Rate
g9249 12" x 37" Belt drive gap Bed lathe -37- Setting feed Rate Feed rate is determined by the machined material, the type of tooling used, and by the desired finish. refer the table in figure 52 or the Machinery's Handbook for guidelines. Note: These instructions are valid only for feed rod...
Page 40 - change Gears
-38- g9249 12" x 37" Belt drive gap Bed lathe change Gears Change gears are configured to provide a wider range of feed rates and inch/metric threading. use figure 55 and the descriptions below to become familiar with the components of the change gear system. A. Spindle Gear: transfers power...
Page 42 - Threading Operation; INDICATOR TABLE; SCALE
-40- g9249 12" x 37" Belt drive gap Bed lathe Threading Operation To cut threads: 1. set the compound rest to the appropriate angle for the thread you want to cut. For a unified national series (unF) thread, this is 29º off of vertical to the spindle axis. 2. if the thread dial (figure 58) i...
Page 44 - SEcTION 5: AccESSORIES
-42- g9249 12" x 37" Belt drive gap Bed lathe SEcTION 5: AccESSORIES ACCessories G5562—SLIPIT® 1 Qt. Gel G5563—SLIPIT® 12 oz Spray G2871—Boeshield® T-9 12 oz Spray G2870—Boeshield® T-9 4 oz Spray H3788—G96® Gun Treatment 12 oz Spray H3789—G96® Gun Treatment 4.5 oz Spray figure 62. recommende...
Page 48 - SEcTION 6: MAINTENANcE; Schedule
-46- g9249 12" x 37" Belt drive gap Bed lathe SEcTION 6: MAINTENANcE Always disconnect power to the machine before performing maintenance. failure to do this may result in serious person- al injury. For optimum performance from your machine, follow this maintenance schedule and refer to any ...
Page 49 - Lubrication; Spindle Bearing Oil
g9249 12" x 37" Belt drive gap Bed lathe -47- Lubrication your lathe has numerous moving metal-to-metal contacts that require proper lubrication to help ensure efficient and long-lasting operation. other than lubrication points covered in this sec-tion, all other bearings are internally lubr...
Page 53 - Adjusting Motor V-Belt; Replacing Motor V-Belt
g9249 12" x 37" Belt drive gap Bed lathe -51- Tensioning / Replacing V-Belts Adjusting Motor V-Belt Tools Needed Qty Wrench 18mm ................................................... 1 To adjust the motor V-belt tension: 1. disConneCt lAthe FroM poWer! 2. push the belt tensioning lever back to...
Page 55 - Troubleshooting
g9249 12" x 37" Belt drive gap Bed lathe -53- 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....
Page 57 - Operations
g9249 12" x 37" Belt drive gap Bed lathe -55- Operations symptom possible Cause possible solution Bad surface finish. 1. incorrect spindle speed or feed rate. 2. dull tool or poor tool selection.3. too much play in gibs.4. tool too high. 1. Adjust for proper spindle speed and feed rate ( Pag...
Page 58 - Adjusting Gibs
-56- g9249 12" x 37" Belt drive gap Bed lathe Adjusting Gibs gibs control the accuracy of the carriage, cross slide, and compound slide movements along the ways. tight gibs make the movements more accurate, but harder to perform. loose gibs make the movements sloppy, but easier to perform. t...
Page 59 - Tailstock Lock
g9249 12" x 37" Belt drive gap Bed lathe -57- 3. use the handwheels to test the slide move- ment and repeat Step 2 if necessary. Note: Adjust gib pressure until you feel a slight drag in the movement of the slide. Tailstock Lock When pushed toward the spindle, the tailstock lock holds the ta...
Page 60 - Gap Removal; Spindle Bearing
-58- g9249 12" x 37" Belt drive gap Bed lathe Gap Removal the Model g9249 comes equipped with a gap section below the spindle that can be removed for turning large diameter parts or when using a large diameter faceplate. the gap is installed, then ground, at the factory during lathe assembly...
Page 63 - Rest finger Tips
g9249 12" x 37" Belt drive gap Bed lathe -61- Rest finger Tips Type of finger Tip Part Number steady rest ......................................... p9249706Follow rest .......................................... p9249806 the steady rest and follow rest fingers can be easily removed for repair...
Page 65 - Electrical Safety Instructions
g9249 12" x 37" Belt drive gap Bed lathe -63- SEcTION 8: WIRING Electrical Safety Instructions 1. PRINTED INfORMATION. the electrical information included in this section is current at the time of printing. however, in the spirit of improvement, we may make changes to the electrical system o...
Page 66 - Wiring Overview
-64- g9249 12" x 37" Belt drive gap Bed lathe You MUST read and understand the Electrical Safety Instructions on Page 63. Wiring Overview 8db"& CD"( C8"' 8db"& CD"( C8"' GY N\ . && &( * & ' ( 7` GY 8db"& CD"( C8"' 7` GY NEMA 6-1...
Page 67 - Electrical cabinet Wiring Diagram; D E
g9249 12" x 37" Belt drive gap Bed lathe -65- You MUST read and understand the Electrical Safety Instructions on Page 63. Electrical cabinet Wiring Diagram ''%K8dciVXidg ?jX]Z8?M'"&'%& @B& &$A& ($A' *$A( '&C8 6& '$I& )$I' +$I( ''C8 6' 6' ''%K8dciVXidg ?jX]...
Page 68 - control Panel & Motor Wiring Diagrams; control Panel
-66- g9249 12" x 37" Belt drive gap Bed lathe You MUST read and understand the Electrical Safety Instructions on Page 63. ' C8 & ' C8 & ' * ( && 7` GY N\ EdlZgAVbe :bZg\ZcXZHide7jiidc BdidgHiVgi 7jiidc J' J& K' 7` N\ GY Na GY GY GY K& Start Capacitor 200MFD 250VAC Run...
Page 69 - Bed
g9249 12" x 37" Belt drive gap Bed lathe -67- SEcTION 9: PARTS Bed & ' ( ) * + , - . &% && &' &( &) &* &+ &, &- &. '% '& '' '( ') '* '+ ', '- '. (% &( '+ &+( REF PART # DESCRIPTION REF PART # DESCRIPTION 1 P9249001 ROD END CAP 17 P9...
Page 70 - Headstock
-68- g9249 12" x 37" Belt drive gap Bed lathe Headstock *& *' *( *) ** *+ *, *- *. +% +& +' +( +) +* ++ +, +- +. ,% ,& ,' ,( ,) ,* ,+ ,, ,- ,. -% -& -( -) -* -+ -, -- -. .% .& .' .( .) .* .+ ., .- .. &%% &%& &%' &%( &%) &%* &%+ &%, &...
Page 71 - Headstock Parts List
g9249 12" x 37" Belt drive gap Bed lathe -69- Headstock Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 51 P9249051 BRACKET AXLE 86 P9249086 HINGE 52 P9249052 IDLER PULLEY SHAFT 87 PRP49M ROLL PIN 5 X 25 53 P9249053 IDLER BRACKET 88 P9249088 PLUG 54 PB107M HEX BOLT M5-.8 X 12 89 P92...
Page 73 - feed Rate Gearbox
g9249 12" x 37" Belt drive gap Bed lathe -71- feed Rate Gearbox '%& '%' '%( '%) '%* '%+ '%, '%- '%. '&% '&& '&' '&( '&) '&* '&+ '&, '&- ''' ''( '') ''* ''+ '', ''- ''. '(% '(& '(' '(( '() '(* '(+ '(, '(- '(. ')% ')& ')' ')( ')) ')* ')+ '), ...
Page 74 - feed Rate Gearbox Parts List
-72- g9249 12" x 37" Belt drive gap Bed lathe feed Rate Gearbox Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 201 PSB26M CAP SCREW M6-1 X 12 244 PR03M EXT RETAINING RING 12MM 202 PW03M FLAT WASHER 6MM 245 P6201 BALL BEARING 6201 203 P9249203 GEAR 246 P9249246 SHAFT 204 PK19M KEY 5...
Page 75 - Apron
g9249 12" x 37" Belt drive gap Bed lathe -73- Apron (%& (%' (%( (%) (%* (%+ (%, (%- (%. (&% (&& (&( (&) (&* (&+ (&, (&- (&. ('% ('& ('' ('( (') ('* ('+ (', ('- ('. ((% ((& ((' ((( (() ((* ((+ ((, ((- ((. ()% ()& ()' ()( ()) ()* ()+ (&am...
Page 76 - Apron Parts List
-74- g9249 12" x 37" Belt drive gap Bed lathe Apron Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 301 P9249301 COLLAR 25MM 334 PSB30M CAP SCREW M6-1 X 45 302 PK126M KEY 5 X 5 X 32 335 P9249335 WORM GEAR 303 P9249303 WORM GEAR 336 P9249336 GEAR SHAFT 16 X 116T 304 PSB06M CAP SCREW ...
Page 77 - carriage
g9249 12" x 37" Belt drive gap Bed lathe -75- carriage )%& )%' )%( )%) )%* )%+ )%, )%- )%. )&% )&& )&' )&( )&) )&* )&+ )&, )&- )&. )'% )'& )'' )'( )') )'* )'+ )', )'- )'. )(% )(& )(' )(( )() )(* )(+ )(, )(- )(. ))' ))( ))) ))* ))+ )), )...
Page 78 - carriage Parts List
-76- g9249 12" x 37" Belt drive gap Bed lathe carriage Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 401 P9249401 SADDLE 435 P9249435 SPECIAL NUT 402 P9249402 WIPER 436 P9249002 BALL OILER 403 PS08M PHLP HD SCR M5-.8 X 12 437 P9249437 LEADSCREW NUT M15 404 PSB31M CAP SCREW M8-1.25...
Page 80 - Spindle Lever
-78- g9249 12" x 37" Belt drive gap Bed lathe Spindle Lever ("# ("$ ("% ("& ("' ("( (") ("* ("+ (#" (## (#$ (#% (#& REF PART # DESCRIPTION REF PART # DESCRIPTION 601 PRP14M ROLL PIN 3 X 6 608 P9249608 COMPRESSION SPRING 1 X 6 X 22 602 PK14M KEY...
Page 81 - change Gear cover
g9249 12" x 37" Belt drive gap Bed lathe -79- change Gear cover ('# ('$ ('% ('& ('' ('( (') ('* ('+ ((" ((# REF PART # DESCRIPTION REF PART # DESCRIPTION 651 PSB26M CHANGE GEAR COVER 657 P9249657 LOCKING ROD 652 PSB01M CAP SCREW M6-1 X 16 658 PN13M HEX NUT M16-2 653 P9249653 HINGE 65...
Page 84 - Electrical cabinet
-82- g9249 12" x 37" Belt drive gap Bed lathe Electrical cabinet +"& +"' +"* +## +#$ +#) +#+ +$" +$# +$& +$' +$( +$) +$* +$+ +%" +%# +%% +%& +%' +%( +%) +%* +%+ +&" +&# +&$ +&% +&& +&' +$& +$'#
Page 85 - Electrical cabinet Parts List
g9249 12" x 37" Belt drive gap Bed lathe -83- Electrical cabinet Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 904 P9249904 CHIP GUARD SAFETY SWITCH CABLE 930 P9249930 STRAIN RELIEF 3/4" 905 P9249905 MOTOR CABLE 931 P9249931 STRAIN RELIEF 7/8" 908 P9249908 TERMINAL BLOCK 1...
Page 86 - cabinet Stand
-84- g9249 12" x 37" Belt drive gap Bed lathe cabinet Stand #""# #""$ #""% #""& #""' #""( #"") #""* #""+ #"#" #"## #"#$ #"#% #"#%# #"#& #"#' #"#( REF PART # DESCRIPTION REF PAR...
Page 87 - Accessories
g9249 12" x 37" Belt drive gap Bed lathe -85- Accessories ##"" ##"$ ##"% ##"& ##"' ##"( ##") ##"* ##"+ ###" #### ###$ ###% ###& ###' ###( ###) ###* ###+ ##$" '"# #("$ #'+ #'+# #($ REF PART # DESCRIPTION REF PART # DESCRIPTION 15...
Page 88 - Label Placement
-86- g9249 12" x 37" Belt drive gap Bed lathe #(& #(' #(( #() #(* #(+ #)" #)# #)$ #)% Safety labels warn about machine hazards and ways to prevent injury. The owner of this machine MuST maintain the original location and readability of the labels on the machine. If any label is remov...
Page 91 - WARRANTy AND RETuRNS
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Page 92 - n4RUSTED0ROVENANDA'REAT6ALUE
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