Jet Tools GH-1440W User's Manual
Contents
1. JET EQUIPMENT 8 TOOLS OWNER S MANUAL GH 1340W 1440W Lathes JET EQUIPMENT 8 TOOLS INC P O BOX 1349 253 351 6000 A WMH Company Auburn WA 98071 1349 Fax 253 939 8001 www jettools com e mail jet jettools com M 321810 6 00 Important Information 1 YEAR JET offers a one year limited LIMITED WARRANTY warranty on this product REPLACEMENT PARTS Replacement parts for this tool are available directly form JET Equipment 8 Tools To place an order call 1 800 274 6848 Please have the following information ready 1 Visa MasterCard or Discover Card number 2 Expiration date 3 Part number listed within this manual 4 Shipping address other than a Post Office box REPLACEMENT PART WARRANTY JET Equipment A Tools makes every effort to assure that paris meet high quality and durability standards and warrants to the original retail consumer purchaser of our parts that each such part s to be free from defects in materials and workmanship for a period of thirty 30 days from the date of purchase PROOF OF PURCHASE Please retain vour dated sales receipt as proof of purchase to validate the warrantv period LIMITED TOOL AND EQUIPMENT WARRANTV JET makes everv effort to assure that its products meet high qualitv and durabilitv standards and warrants to the original retail consumer purchaser of our products that each product be free from defects in materials and workmanship as follows 1 YEAR LIMITED WARRANTY ON THIS JET PRODU2. 5 8 x 5 8 Maximum Compound Slide Travel 3 1 2 Maximum Gross Slide Travel anga eegener 6 3 8 Maximum Carriage Travel 37 1 2 Tailstock Tailsto k Spindle Travel nanaga eto EENEG 4 3 4 Diameter of Tailstock Spindle nanna nanna mnn nennen nnns 1 25 32 BET i B TE ele ne MT 3 Miscellaneous Steady Rest Capacity i deed dee dee 1 4 3 3 4 Follow Rest Capacity L nanna nnn mant nnnnnnAnAnnnnn nn nannti 1 4 2 3 4 kength of Bed eege tad eae ea BARRERA BARR eg dd ea dde ded cae aA AR 54 1 2 Width Of Bed EE 10 1 2 Klee 38 en e AG e lan ti oh an En de 12 3 4 Overall Dimensions sss 75 3 4 L x 29 1 2 W x 47 1 4 H Main Motor 1340W 1 amp 1440W 1 L nanna nata 3HP 1Ph 230V Only Main Motor 1340W 3 amp 1440W 3 L 3HP 3Ph 230V 460V prewired 230V Net Weight Approx i i elec AA AALALA 2 081 Ibs 1340W Net Weight oapprox li 2 191 Ibs 1440W Shipping Weight approx LL nanna nnne nnne nnn nnn 2 351 Ibs 1340W shipping Weight approx sie RATAN 2 491 Ibs 1440W The specifications in this manual are given as general information and are not binding JET Equipment and Tools reserves the right to effect at any time and without prior notice changes or alterations to parts fittings and accessory equipment deemed necessary for any reason whatsoever Table of Contents Warranty z vus ina swa e nea RR nia nn a EUR Ve Ra eod ds 2 armi nesa NN NAA NA LLL LU NUNG cod 3 Re US ML INTE 4 5 BE Ee
3. eu 5 Contents of the Shipping Container 6 Wncrating and Glean Up ii iii 7 Gh clePreparatlon ee eelere e 8 Biel le TE 9 10 Coolant Preparaton 00 a NN NBNNNGGNNGG GN nennen nnn nnn nnn nnn nsns n nnn n rrr nnt nsns eren n nnns 11 Electrical ConnecCtonss 2 25 ence ee E A R A O 11 12 General Description Li A A e Ho e eee e A A KA eege 13 15 oi 15 17 Break In Procedure AA 17 Ore AO IN ee eee Oe IT OE R IIR IE II TPP 18 21 Adjustments e 21 23 Removable Gap naan eee eee etd 23 V 24 Aligning Tailstock to Headstock nn ANKNN 24 A WARNING Read and understand the entire contents of this manual before attempting set up or operation Failure to comply may cause serious injury Contents of the Shipping Container o iate es Steady Rest O 1 1 1 Follow Rest 1 6 Three Jaw Chuck w Top Reversing Jaws Direct Mount G 8 Four Jaw Chuck with Backplate 12 Face Plate strapped to container floor Backplate NON Tool Box 1 1 1 1 Tool Box Contents No 1 Cross Point Screwdriver No 1 Flat Blade Screwdriver Open End Wrench 9 11 10 12 12 14 17 19mm Hex Socket Wrench 2 5 3 4 5 6 8mm Shear Pin 30T Change Gear 32T Change Gear 40T Change Gear Oil Can No 3 Morse Taper Dead Center No 5 to No 3 Spindle Sleeve Leveling Pads Chuck Key Key for Cam Locks Tool Post Wrench Owner s Manual Warranty Card KR sch sch ck DAN sch NY sch DN OH LN 9 Uncrating and C
4. indicator mark in oil sight glass A Fig 3 Top off with Mobil DTE Oil Heavy Medium Fill by pulling plug D Fig 3 To drain remove drain plug A Fig 4 with an 8mm hex wrench Drain oil completely and refill after the first month of operation Clean out any metal shavings Then change oil in the headstock annually 2 Gearbox Oil must be up to indicator mark in oil sight glass B Fig 3 Top off with Mobil DTE Oil Heavy Medium Fill by lifting off thread chart cover E Fig 3 and remove plug C Fig 3 with an 8mm hex wrench To drain remove drain plug Rei A Fig 5 with an 8mm hex wrench Drain GE oil completely and refill after the first month of operation Then change oil in the Gearbox annually Fig 5 Apron oil must be up to indicator mark in oil sight glass A Fig 6 Top off with Mobil DTE Oil Heavy Medium Remove oil cap B Fig 6 on top of apron to fill To drain remove drain plug on bottom of apron Drain oil completely and refill after the first month of operation Then change oil in the apron annually Leadscrew Feed Rod lubricate ball oiler A Fig 7 on leadscrew feed rod bracket with Mobil DTE Oil Heavy Medium once daily Tailstock lubricate two ball oilers B Fig 7 on tailstock with Mobil DTE Oil Heavy Medium once daily Cross Slide lubricate four ball oilers A Fig 8 with Mobil DTE Oil Heavy Medium once daily Compound Rest lubricate one ball oile
5. CT Warranty does not apply to defects due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities or to a lack of maintenance JET LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL EXCEPT AS STATED HEREIN ANY IMPLIED WARRANTIES OR MECHANTABILITY AND FITNESS ARE EXCLUDED SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU JET SHALL IN NO EVENT BE LIABLE FOR DEATH INJURIES TO PERSONS OR PROPERY OR FOR INCIDENTAL CONTINGENT SPECIAL OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR PRODUCTS SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU To take advantage of this warranty the product or part must be returned for examination postage prepaid to an authorized service station designated by our Auburn office Proof of purchase date and an explanation of the complaint must accompany the merchandise If our inspection discloses a defect JET will either repair or replace the product or refund the purchase price if we cannot readily and quickly provide a repair or replacement if you are willing to accept such refund JET will return repaired product or replacement at JET s expense but if it is determined there is no defect or that the defect resulted from causes not wit
6. Lock tailstock in position by raising locking handle A Fig 23 2 Alternately loosen and tighten two hex socket cap screws B Fig 23 Tailstock Gibs Take up play in the tailstock by tightening two gib screws C Fig 23 on either side of the tailstock base Note Do not over tighten Excessive tightening will lead to premature wear of the gibs and mating parts Headstock Alignment The headstock has been aligned at the factory and should not require adjustment However if adjustment is deemed necessary follow the procedure below to align the headstock 1 Using a machinist s precision level on the bedways make sure the lathe is level side to side and front to back If the lathe is not level correct to a level condition before proceeding Re test alignment if any leveling adjustments were made 2 From steel bar stock of approximately two inches in diameter cut a piece approximately eight inches long 3 Place two inches of bar stock into chuck and tighten chuck Do not use the tailstock or center to support the other end 22 Set up and cut along five inches of the bar stock Using a micrometer measure the bar stock next to the chuck and at the end The measurement should be the same If the measurements are not the same and adjustment is required loosen hex socket cap screws A Fig 24 which holds the headstock to the bed Do not loosen completely some drag should remain Adjust two scr
7. M 10 11 12 13 14 Feed Lead Selector Lever H Fig 13 located on the front of the gearbox Used in setting up for feeding and threading Positions F and D are for the feed rod Positions E and C are for the feed screw Position 0 is neutral Lock Knob I Fig 13 located on the front of the gearbox With the knob in the six o clock position feed lead selector knob J Fig 13 may be adjusted With the knob in the twelve o clock position the feed lead selector knob J Fig 13 is locked Feed Lead Selector Knob J Fig 13 located on front of the gearbox Used for setting up for feeding and threading Compound Lock A Fig 14 hex socket screw located on left side of compound Turn clockwise to lock and counter clockwise to unlock Carriage Lock B Fig 14 lock handle located on top of carriage Turn clockwise to lock Turn counter clockwise to unlock Caution carriage lock must be unlocked before engaging automatic feeds or damage to lathe may occur Longitudinal Traverse Hand Wheel D Fig 14 located on the apron assembly Rotate hand wheel clockwise to move the apron assembly toward the tailstock Rotate the wheel counter clockwise to move the apron assembly toward the headstock Feed Selector E Fig 14 located in the center front of the apron assembly Pushing lever to the left and down activates the crossfeed function Pulling lever to the right and up
8. activates the longitudinal function Half Nut Engage Lever thread cutting F Fig 14 located on front of the apron Move the lever down to engage Move the lever up to disengage Cross Traverse Handwheel G Fig 14 located above the apron assembly Rotate clockwise or counter clockwise to move or position Compound Rest Traverse Handwheel H Fig 14 located on the end of the compound slide Rotate clockwise or counter clockwise to move or position 15 Tool Post Clamping Lever J Fig 14 located on top of the tool post Rotate counter clockwise to loosen and clockwise to tighten 16 Tailstock Quill Clamping Lever A Fig 15 located on the tailstock Lift up to lock the spindle Push down to unlock 17 Tailstock Clamping Lever B Fig 15 located on the tailstock Lift up lever to lock Push down lever to unlock 18 Tailstock Quill Traverse Handwheel C Fig 15 located on the tailstock Rotate clockwise to advance the quill Rotate counter clockwise to retract the quill 19 Tailstock Off Set Adjustment D Fig 15 two hex socket cap screws located on the tailstock base are used to off set the tailstock for cutting tapers Loosening one screw while tightening the other off sets the tailstock 20 Foot Brake A Fig 16 located between stand pedestals Depress to stop all lathe functions 21 Micro Carriage Stop B Fig 16 located on the lathe bed Loosen two hex socket
9. can be entered using the threading dial Fig 20 6 To cut metric threads the half nuts must be left continually engaged once the start point has been selected and the half nut is initially engaged thread dial cannot be used Metric Thread Table Inch Lead and Feed Table KOR TZ am 1 2 3 4 5 6 7 8 29 AEI mm les ew HE NE RE E 40 ERN 0261 0214 0205 0196 0181 oe A Fit aaa EE EE 25 D ma 0117 0107 0102 0098 0090 0084 c 16 18 20 56 12 z3 a AKA 0051 0049 am 0042 36 40 44 46 48 AE EE RE HE BE mar EE NE E IIR AA ER EE BE F 0021 0019 0017 0015 0014 0013 Cross Feed Table 0083 0072 0069 rom o os aoa 0019 0018 0017 KO IE Compound Rest The compound rest is located on top of the cross slide and can be rotated 360 degrees Loosen the two socket head cap screws A Fig 21 on the compound rest base There is a calibrated dial in degrees B Fig 21 below the rest to assist in placement of the compound to the desired angle Adjustments After a period of time wear in some of the moving components may need to be adjusted Saddle 1 Locate four hex nuts found on the bottom rear of the cross slide and back off one full turn each 2 Turn each of the four set screws with a hex wrench until a slight resistance is felt Do not over tighten these screws 3 Move the carriage with the hand wheel and determine if the drag is to your preference R
10. cap screws underneath body and slide along bed to desired position Tighten screws to hold in place 22 Main Power Switch not shown located on the electrical box door on the rear of the lathe Turns main power to the lathe on and off Break In Procedure During manufacture and testing this lathe has been operated in the low R P M range for three hours To allow time for the gears and bearings to break in and run smoothly do not run the lathe above 650 R P M for the first six hours of operation and use Operation Feed and Thread Selection 1 Reference the feed and thread found on the gear box faceplate tables A Fig 17 8 page 22 of manual 2 Move levers B C D E amp F Fig 17 to the appropriate positions according to the chart Change Gears Replacement The 25T 127T 50T gears are installed in the end gear compartment when delivered from the factory This combination will cover most inch feeds and threads under normal circumstances The 30T 32T and two 40T gears found in the tool box are used with different combinations as indicated on feed and thread tables A Fig 17 1 Disconnect the machine from the power source unplug 2 Open the door on the left end of the headstock 3 Loosen nuts A amp B Fig 18 4 Move quadrant C Fig 18 out of the way and hold in place temporarily by tightening nut A 8 B Fig 18 5 Remove hex socket cap screws D and or E Fig 18 depe
11. ction on belts Motor 6 Close end gear door install cover and Pulley connect lathe to the power source A ki p Aligning Tailstock to Headstock Fig 26 Before proceeding headstock should be aligned See section labeled Headstock 12 inches Alignment o Q 1 Fita 12 ground steel bar between centers bl 8 of the headstock and tailstock Fig 27 i m 2 Fita dial indicator to the compound slide 1 ens a and traverse the center line of the bar il J 1 1z Tailstock using the carriage movement Headstock uu l 3 If tailstock adjustment is needed Compound Slide alternately loosen and tighten front and Fig 27 rear hex socket cap screws A Fig 28 24
12. eadjust the set screws as necessary to achieve the desired drag 4 Hold the socket set screw firmly with a hex wrench and tighten the hex nut to lock the set screw in place 5 Move the carriage again and adjust again if necessary Note over adjustment will cause excessive premature wear of the gibs Cross Slide If the cross slide is too loose follow procedure below to tighten 1 Loosen the rear gib screw not shown approximately one turn 2 Tighten the front gib screw B Fig 22 a quarter turn Turn the cross slide handwheel to see if the cross slide is still loose If it is still loose tighten the front screw a bit more and try again 3 When the cross slide is properly adjusted tighten the rear gib screw 21 Note over adjustment will cause excessive premature wear of the gibs Compound Rest Follow the same procedure as the cross slide adjustment to adjust the compound rest Rear gib screw is shown A Fig 22 Front gib screw not shown is by the handwheel Tailstock If the handle will not lock the tailstock follow the procedure below 1 Lower the handle to the unlocked position 2 Slide the tailstock to an area that allows access to the underside of the tailstock 3 Tighten tailstock clamping bolt underside of tailstock 1 4 turn Test for proper locking Repeat as necessary Tailstock Off Set Follow the procedure below to off set the tailstock to cut shallow tapers 1
13. ed as the place of the third is taken by the turning tool The follow rest is used for tuning operations on long slender workpieces It prevents flexing of the workpiece from the pressure of the cutting tool The sliding fingers are set similar to the steady rest free of play but not binding Always lubricate with Mobil DTE Oil Heavy Medium Controls 1 Control Panel located on front of gearbox A Coolant On Off Switch A Fig 13 turns coolant pump on and off B Power Indicator Light B Fig 13 lit whenever lathe has power C Emergency Stop Switch C Fig 13 depress to stop all machine functions Caution lathe will still have power Twist to re set D Jog Switch D Fig 13 depress and release to advance spindle momentarily 2 Headstock Gear Change Levers E Fig 13 located on front of the headstock Move levers according to speed chart for desired setting 3 Leadscrew Feed Rod Directional Lever F Fig 13 located on front of headstock Moving the lever up causes carriage travel toward the tailstock Moving the lever down causes carriage travel toward the headstock When chuck is spinning in the forward or counter clockwise direction Do not move lever while machine is running 4 Feed Lead Selector Lever G Fig 13 located on the front of the headstock Used whenever setting up for threading or feeding Caution in the A position never run the lathe higher than 650 RP
14. ew nuts B Fig 24 located on the endgear side of the headstock Loosen one and tighten the other Make another cut Keep adjusting screw nuts after each cut until the bar stock measurements are the same Tighten all headstock screws Removing Gap Section 1 To remove gap section locate two nuts A Fig 25 in the center of the gap section Using an open end wrench tighten the two nuts This will cause the taper pins to release Remove the taper pins Remove six hex socket cap screws B Fig 25 with a hex kev wrench Gap section can now be removed Installing Removable Gap Section 1 Clean the bottom and the ends of the gap section thoroughiv Set gap section in place and align Remove nuts from the taper pins Slide taper pins in their respective holes and seat using a mallet Install nuts on the taper pins finger tight Install six socket head cap screws and tighten securelv 23 Belt Replacement and Adjustment 1 Disconnect machine from the power source unplug Pulley 2 Open the end gear cover and lower cover on the headstock side 3 Take tension off old belts by loosening motor mount hex nut A Fig 26 7 Belt 4 Remove belts Install new belts onto Fress Si pulleys 5 Tension by tightening motor mount hex nut until 8 Ibs force causes approximately 3 4 defle
15. hin the scope of JET s warranty then the user must bear the cost of storing and returning the product This warranty gives you specific legal rights and you have other rights which vary from state to state JET Equipment amp Tools e P O Box 1349 Auburn WA 98071 1349 e 253 351 6000 A WARNING e Read and understand the entire instruction manual before attempting assembly or operation e These lathes are designed and intended for use by properly trained and experienced personnel only If you are not familiar with the proper and safe operation of a lathe do not use until proper training and knowledge have been obtained e Alwavs wear approved safetv glasses face shields while using this machine e Make certain the machine is properly grounded e Before operating the machine remove tie rings watches other jewelrv and roll up sleeves above the elbows Remove all loose clothing and confine long hair Do not wear gloves e Keep the floor around the machine clean and free of scrap material oil and grease e Keep machine guards in place at all times when the machine is in use If removed for maintenance purposes use extreme caution and replace the guards immediatelv e Do not over reach Maintain a balanced stance at all times so that you do not fall or lean against blades or other moving parts e Make all machine adjustments or maintenance with the machine unplugged from the power source e Use the right tool Don t force a
16. lean Up 1 Finish removing the wooden crate from around the lathe Unbolt the lathe from the shipping crate bottom Choose a location for the lathe that is drv has good lighting and has enough room to be able to service the lathe on all four sides Place two steel rods or pipes of sufficient strength into four holes A Fig 1 of lathe stand Sling the lathe with properly rated straps Do not lift by spindle With adequate lifting equipment slowly raise the lathe off the shipping crate bottom Make sure lathe is balanced before moving To avoid twisting the bed the lathe s location must be absolutely flat and level Check for a level condition using a machinist s precision level on the bedways both front to back and side to side The leveling pads included in the tool box and the leveling screws in the lathe base will help you to reach a level condition The lathe must be level to be accurate Clean all rust protected surfaces using a mild commercial solvent kerosene or diesel fuel Do not use paint thinner gasoline or lacquer thinner These will damage painted surfaces Cover all cleaned surfaces with a light film of Mobil DTE Oil Heavy Medium Open the end gear door Clean all components of the end gear assembly and coat all gears with Mobilith AW 1 Close the door Chuck Preparation Three Jaw A WARNING Read and understand all directions for chuck preparation Failure to comply may cause seri
17. nding on which gear is to be changed 6 Install new gear s and tighten in place with a hex socket cap screw 7 Loosen nut B Fig 18 move quadrant back so teeth mesh on gears and tighten nuts A 8 B Fig 18 Caution Make sure there is a backlash of 002 003 between gears Setting the gears too tight will cause excessive noise and wear 8 Close the door and connect the machine to the power source Fig 17 Automatic Feed Operation and Feed Changes 1 Move the forward reverse selector A Fig 19 up or down depending on desired direction 2 Set selector levers A B C amp D Fig 20 to desired rate Note for feeding lever D will be set at F or D depending on desired feed rate Powered Carriage Travel 1 Push lever B Fig 19 to the left and down to engage crossfeed 2 Pull lever to the right and up to engage longitudinal feed Thread Cutting 1 Set forward reverse lever A Fig 19 up or down depending on the desired direction 2 Set selector levers A B C and D Fig 20 to desired rate Note for threading lever D will be set at C or E depending on desired thread 3 Push lever B Fig 19 to the right 4 Engage the half nut lever C Fig 19 5 To cut inch threads reference the feed and thread tables The half nut lever and the threading dial are used to thread in the conventional manner The thread dial chart specifies at which point a thread
18. nnns nnn nn nntrs sss n nenne 13 1340W 14 1440W Swing Over Cross Glde nemen 7 1 2 1340W E 8 1 2 1440W Swing Through Gap 19 1340W 20 1440W Length of Gap cousine eee ci eet tte t cedi ett a t a tun D ad ea Pe Pe Pu Du Dems e De Puto Coo Pe DE Deoa 9 3 8 Distance Between CenterSite aaa eee ete ea 40 Headstock Hole Through Spindle GNG NNNANANNNNNNGEGNNNNAANAKENGEECC0NNNNNNNNKKKGK000nn nA NANNN 1 1 2 Spindle NOS EECH D1 4 Taper in Spindle Nose L AAAAAAAA EA AANHKKKAREAAAEIEENZZMMAEMENAEzEEZZZZE MT 5 Spindle Taper Adapter e e t tM BA NAN MT 3 Spindle Bearing Type nem nnne Taper Roller Bearing Number of Spindle Speeds 2 ei EU EE Ee nan Dapa banaba Ease ceno 12 Range of Spindle Speeds nennen 40 1800 RPM Gearbox Number of Longitudinal and Cross Feeds 40 Range of Longitudinal Feeds nchirev 0 0012 0 0294 Range of Cross Feeds mchirey le 0 0003 0 0100 Number of Inch ThreadS nnne NEN nennneen nine nennt rnnnnnr nsns nens nnne inesse 40 Range er Inch Threads bii ise tt al 4 112 T P I Number of Metric Threads sssssssssssssssssseneeeee nennen nnne nnne nsns nnns nnn nnns nnns 22 Range of Metric Threads nee eie e i nn n ie e e erede veg redet 0 45 7 5mm RE ie EE 7 8 x 49 1 2 Feed Rod Diameter eii anaa e eese e 3 4 Compound and Carriage Keele de 4 Way Maximum TO0l Si O EL
19. on and off Fig 9 Make sure the lathe is properly grounded Power is connected properly when pulling up on the forward reverse lever causes the spindle to rotate counter clockwise as viewed from the tailstock If the chuck rotates in the clockwise direction disconnect the lathe from the power source switch two of three power leads for GH 1340W 3 8 GH1440W 3 and connect the lathe to the power source To Switch from 230V to 460V Operation GH 1340W 3 amp GH1440W 3 Only A WARNING Disconnect the machine from the power source Failure to do so may cause serious injury Main Motor Change the wires according to the diagram on the inside of the motor junction box Transformer Remove electrial panel on rear of the machine headstock side switch wire from 230V terminal to 460V terminal as outlined on the transformer Coolant Pump Open access panel on the base at the tailstock end Change wires in coolant pump junction box according to diagram on the inside of the junction box cover General Description Lathe Bed The lathe bed A Fig 10 is made of high grade cast iron By combining high cheeks with strong cross ribs a bed with low vibration and high rigidity is realized Two precision ground vee slideways reinforced by heat hardening and grinding are an accurate guide for the carriage and headstock The main drive motor is mounted in the stand below headstock Headstock The headstock B Fig 10 i
20. ous injury and or damage to the lathe Note Before removing the chuck from the spindle place a way board across the bedways under the chuck 1 Support the chuck while turning three camlocks 1 4 turn counter clockwise with the chuck key enclosed in the tool box 2 Carefully remove the chuck from the spindle and place on an adequate work surface 3 Inspect the camlock studs Make sure they have not become cracked or broken during transit Clean all parts thoroughly with solvent Also clean the spindle and camlocks 4 Cover all chuck jaws and scroll inside the chuck with Mobilith AW2 Cover the spindle cam locks and chuck body with a light film of Mobil DTE Oil Heavy Medium 5 Lift the chuck up to the spindle nose and press onto the spindle Tighten in place by turning the cam locks 1 4 turn clockwise The index mark A Fig 3 on the camlock should be between the two indictor arrows B Fig 3 If the index mark is not between the two arrows remove the chuck and adjust the camlock studs by either turning out one full turn if cams will not engage or turning in one full turn if cams turn beyond indicator marks 6 Install chuck and tighten in place Lubrication A CAUTION Lathe must be serviced at all lubrication points and all reservoirs filled to operating level before the lathe is put into service Failure to comply may cause serious damage to the lathe 1 Headstock Oil must be up to
21. r B Fig 8 with Mobil DTE Oil Heavy Medium once daily Carriage lubricate four ball oilers D Fig 8 with Mobil DT E Oil Heavy Medium once daily Coolant Preparation A CAUTION Follow coolant manufacturer s recommendations for use care and disposal 1 Remove rear access cover on tailstock end Make sure coolant tank has not shifted during transport and is located properly under the recovery chute Fig 9 2 Pour three gallons of coolant mix into drip pan 3 After machine has been connected to power turn on coolant pump and check to see coolant is cycling properly 4 Fasten coolant door to stand Electrical Connections A WARNING All electrical connections must be completed by a qualified electrician Failure to comply may cause serious injury and or damage to the machinery and property The GH 1340W 1 amp GH 1440W 1 Gear Head Lathes are rated at 3HP 1Ph 230V only Confirm power available at the lathe s location is the same rating as the lathe The GH 1340W 3 8 GH 1440W 3 Gear Head Lathes are rated at 3HP 3Ph 230V 460V prewired 230V Confirm power available at the lathe s location is the same rating as the lathe Lathe Power Source Junction Box Remove the cover Run the main power through the strain relief bushing and attach the ground followed by power leads Replace the cover Main Power Switch Located on the backside of the machine Turns the power to the machine
22. s a heavy duty spindle with a Morse Taper 3 Leadscrew and Feed Rod The leadscrew B Fig 12 and feed rod C Fig 12 are mounted on the front of the machine bed They are connected to the gearbox at the left for automatic feed and lead and are supported by bushings on both ends Both are equipped with brass shear pins Gear Box The gear box D Fig 12 is made from high Fig 12 quality cast iron and is mounted to the left side of the machine bed Steady Rest The steady rest E Fig 12 serves asa support for shafts on the free tailstock end The steady rest is mounted on the bedway and secured from below with a bolt nut and locking plate The sliding fingers require continuous lubrication at the contact points with the workpiece to prevent premature wear To set the steady rest 1 Loosen three hex socket screws 2 Loosen knurled screw and open sliding fingers until the steady rest can be moved with its fingers around the workpiece Secure the steady rest in position 3 Set the fingers snugly to the workpiece and secure by tightening three hex socket cap screws Fingers should be snug but not overly tight Lubricate sliding points with Mobil DTE Oil Heavy Medium 4 After prolonged use the fingers will show wear Remill or file the tips of the fingers Follow Rest The traveling follow rest F Fig 12 is mounted on the saddle and follows the movement of the turning tool Only two fingers are requir
23. s cast from high grade low vibration cast iron It is bolted to the bed by four screws with two adjusting screws for alignment In the head the spindle is mounted on two precision taper roller bearings The hollow spindle has Morse Taper 5 with a 1 1 2 bore Carriage The carriage A Fig 11 is made from high quality cast iron The sliding parts are smooth ground The cross slide is mounted on the carriage and moves on a dove tailed slide which can be adjusted for play by means of the gibs The compound slide B Fig 11 which is mounted on the cross slide C Fig 11 can be rotated through 3609 The top slide and the cross slide travel in a dovetail slide and have adjustable gibs A four wav tool post is fitted on the top slide Four Wav Tool Post The four wav toolpost D Fig 11 is mounted on the top slide and allows a maximum of four tools to be mounted simultaneousiv Remember to use a minimum of two clamping screws when installing a cutting tool Apron The apron E Fig 11 is mounted to the carriage In the apron a half nut is fitted The half nut gibs can be adjusted from the outside The half nut is engaged by use of a lever Quick travel of the apron is accomplished by means of a bed mounted rack and pinion operated by a hand wheel on the front of the apron Fig 10 Tailstock The tailstock A Fig 12 slides on a v way and can be locked at any location by a clamping lever The tailstock ha
24. tool or attachment to do a job which it was not designed for e Replace warning labels if thev become obscured or removed e Make certain the main power switch is in the OFF position before connecting the machine to the power supplv e Give your work undivided attention Looking around carrying on a conversation and horse play are careless acts that can result in serious injury e Keep visitors a safe distance from the work area e Use recommended accessories improper accessories mav be hazardous e Make a habit of checking to see that kevs and adjusting wrenches are removed before turning on the machine e Never attempt anv operation or adjustment if the procedure is not understood e Keep fingers awav from revolving parts and cutting tools while in operation e Keep belt guard in place and in working order e Never force the cutting action e Do not attempt to adjust or remove tools during operation e Alwavs keep cutters sharp e Alwavs use identical replacement parts when servicing e Never operate this machine under the influence of alcohol or drugs e Failure to complv with all of these warnings mav cause serious injurv Specifications GH 1340W 1440W Stock AN ot 1 SA 321810 GH 1340W 1 Stock Number naman et t e Aec 321820 GH 1340W 3 Stock Number sesssisssseesesse ENNEN 321830 GH 1440W 1 Stock NUMBER aata AA SILA ee tk ak aa 321840 GH 1440W 3 Capacities Swing Over Bed L Ann A KA AAAAKAAAARA sss
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