Jet GH-1440W - Manuals

5 Miscellaneous: Steady Rest Capacity ................................................................................................. 1/4" - 3-3/4"Follow Rest Capacity ................................................................................................. 1/4" - 2-3/4"Len...

6 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 1 Lathe 1 Steady Rest 1 Follow Rest 1 6" Three Jaw Chuck w/ Top ReversingJaws (Direct Mount) 1 8" Four Jaw Ch...

7 Uncrating and Clean-Up 1. Finish removing the wooden crate fromaround the lathe. 2. Unbolt the lathe from the shipping cratebottom. 3. Choose a location for the lathe that is dry,has good lighting, and has enough roomto be able to service the lathe on all foursides. 4. Place two steel rods or pipe...

8 Chuck Preparation (Three Jaw) WARNING Read and understand all directions for chuck preparation! Failure to comply may cause serious injury and/or damage to the lathe! Note: Before removing the chuck from the spindle, place a way board across thebedways under the chuck 1. Support the chuck while tu...

9 Lubrication 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 indicatormark in oil sight glass (A, Fig. 3). Top offwit...

11 Coolant Preparation CAUTION Follow coolant manufacturer's recommendations for use, care, and disposal. 1. Remove rear access cov er on tailstockend. Make sure coolant tank has notshifted during transport and is locatedproperly under the recovery chute (Fig. 9). 2. Pour three gallons of coolant mi...

12 Make sure the lathe is properly grounded. Power is connected properly when pulling upon the forward-rev erse lever causes thespindle to rotate counter-clockwise as viewedfrom the tailstock. If the chuck rotates in theclockwise direction, disconnect the lathe fromthe power source, switch two of th...

13 General Description Lathe Bed The lathe bed (A, Fig. 10) is made of highgrade cast iron. By combining high cheekswith strong cross ribs, a bed with low vibrationand high rigidity is realized. Two precisionground v ee slideways, reinforced by heathardening and grinding, are an accurate guidefor th...

14 Tailstock The tailstock (A, Fig. 12) slides on a v-wayand can be locked at any location by aclamping lever. The tailstock has a heavyduty 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 themachine bed. They are c...

15 Follow Rest The traveling follow rest (F, Fig. 12) ismounted on the saddle and follows themovement of the turning tool. Only two fingersare required as the place of the third is takenby the turning tool. The follow rest is used fortuning operations on long, slender workpieces.It prevents flexing ...

16 5. Feed/Lead Selector Lever (H, Fig. 13) -located on the front of the gearbox. Usedin setting up for feeding and threading.Positions "F" and "D" are for the feed rod.Positions "E" and "C" are for the feedscrew. Position "0" is neutral. 6. Lock Knob (I, Fig....

18 Operation Feed and Thread Selection 1. Reference the feed and thread found onthe gear box faceplate tables (A, Fig. 17 &page 22 of manual). 2. Mov e levers (B, C, D, E & F, Fig. 17) tothe appropriate positions according to thechart. Change Gears Replacement The 25T, 127T, 50T gears are in...

21 Compound Rest The compound rest is located on top of thecross slide and can be rotated 360 degrees.Loosen the two socket head cap screws (A,Fig. 21) on the compound rest base. There isa calibrated dial (in degrees B, Fig. 21) belowthe rest to assist in placement of thecompound to the desired angl...

22 Tailstock If the handle will not lock the tailstock, followthe procedure below : 1. Lower the handle to the unlocked position. 2. Slide the tailstock to an area that allowsaccess to the underside of the tailstock. 3. Tighten tailstock clamping bolt (undersideof tailstock) 1/4 turn. Test for prope...

23 4. Set up and cut along fiv e inches of the barstock. 5. Using a micrometer, measure the barstock next to the chuck and at the end.The measurement should be the same. 6. If the measurements are not the same andadjustment is required, loosen hex socketcap screws (A , Fig. 24) which holds theheadst...