Jet Tools GH-1440ZX User Manual
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Operating Instructions
ZX Series Lathes
Models GH-1440ZX/1460ZX
GH-1640ZX/1660ZX
GH-1840ZX/1860ZX/1880ZX
GH-2280ZX
WMH TOOL GROUP
2420 Vantage Drive
Elgin, Illinois 60123 Part No. M-321910
Ph.: 800-274-6848 Revision G 11/05
www.wmhtoolgroup.com Copyright © WMH Tool Group
This manual has been pr epar ed for the owner and operator s of a JET ZX Seri es Lathe. Its purpose, asi de
from machine operati on, is to promote safety using accepted operati ng and maintenance pr ocedures. To
obtain maxim um life and efficiency from your l athe and to aid in using it safely, pl ease read this manual
thoroughly and f oll ow the instructions carefully.
Warranty and Service
WMH Tool Gr oup warrants ever y product it sell s. If one of our tools needs s ervice or repai r, one of our
Authorized Service Centers located throughout the United States can provide quick service or
information.
In most cases, a W MH Tool Group Servi ce Center can assist i n authori zing repai r work, obtai ning part s,
or perform routine or major maintenance repair on your JET product.
For the name of an Aut horized Service Cent er in your area, pl ease call 1-800-274-6848, or vi sit our web
site at www.wmhtoolgroup.com
More Information
Remember, WMH Tool Group i s consistently adding new products to the li ne. For complete, up-to-dat e
product information, check with your local WMH Tool Group distributor, or visit our web site at
www.wmhtoolgroup.com
WMH Tool Group Warranty
WMH Tool Group makes every effort to assure that its products meet high quality and durabili ty standar ds
and warrants to the original retail consumer/purchaser of our products that each product be free from
defects in mat erials and workmanship as foll ows: 1 YEAR LI MITED WARRANTY ON ALL PRODUCTS
UNLESS SPECIFIED OTHERWISE. This Warranty does not apply to defects due directly or i ndirectly to
misuse, abuse, negl igence or acc idents, norm al wear-and-tear , repair or alterati ons outside our f aciliti es,
or to a lack of maintenanc e.
WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE,
BEGINNING FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL. EXCEPT AS STATED
HEREIN, ANY IMPLIED WARRANTIES OR MERCHANTABILITY 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. IN NO EVENT SHALL WMH TOOL GROUP
BE LIABLE FOR DEATH, INJURIES TO PERSONS OR PROPERTY, 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 Center designated by our office. Proof of purchase date and an
explanati on of the complaint m ust accompany the merchandi se. If our inspecti on discloses a defec t, we
will either repair or replace the produc t at our discreti on, or r efund t he purchase pri ce if we cannot readi l y
and quickly provide a repai r or replac ement. We will return the repai red product or replacem ent at WMH
Tool Group’s ex pense, but if it is determ ined there i s no defect, or that the def ect resulted f rom causes
not within the scope of WMH Tool Group’s warranty, then the user m ust bear the cost of storing and
returning t he product . This warranty gives you specif ic legal ri ghts; y ou may also hav e other ri ghts, whic h
vary from state t o state.
WMH Tool Group sells through distributor s only. Members of the WMH Tool Group reserve the right to
effect at any time, wit hout prior notice, alter ations to parts, fittings and accessory equi pment, which they
may deem necessary for any reason whatsoever.
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Table of Contents
Warranty and Servic e ..............................................................................................................................2
Table of Contents....................................................................................................................................3
Warning...................................................................................................................................................4
Specifications..........................................................................................................................................6
Specifications..........................................................................................................................................7
Specifications..........................................................................................................................................8
Specifications..........................................................................................................................................9
Unpacking.............................................................................................................................................10
Contents of the Shipping Container....................................................................................................10
Uncrating and Cleanup ..........................................................................................................................11
Chuck Preparation (Three Jaw)..........................................................................................................11
Lubrication .........................................................................................................................................12
Coolant Preparation ...........................................................................................................................13
Electrical Connections ...........................................................................................................................13
Conversion to 460 Volt Oper ation.......................................................................................................14
General Description...............................................................................................................................14
Lathe Bed ..........................................................................................................................................14
Headstock..........................................................................................................................................14
Carriage.............................................................................................................................................15
Four Way Tool Post............................................................................................................................15
Apron.................................................................................................................................................15
Tailstock.............................................................................................................................................15
Leadscrew and Feed Rod...................................................................................................................15
Feed Gearbox....................................................................................................................................15
Steady Rest .......................................................................................................................................15
Follow Rest........................................................................................................................................16
Controls .................................................................................................................................................16
Operation...............................................................................................................................................19
Feed and Thread Selection ................................................................................................................19
Thread Cutting ...................................................................................................................................19
Gib Adjustments.................................................................................................................................19
Tailsto ck O ff- Se t.................................................................................................................................19
Removing Gap Section.......................................................................................................................20
Installing Removable Gap Section......................................................................................................20
Belt Replacem ent and Adjustment......................................................................................................20
Aligning Tailstock to Headstock..........................................................................................................20
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Warning
1. Read and understand the entire owners manual bef ore attempting assembly or operation.
2. Read and understand the warnings po sted on the m achine and i n thi s manual. Failur e to comply wit h
all of these warnings m ay cause seriou s i njury.
3. Replace the warning labels if they become obscured or remov ed.
4. This lathe is designed and int ended for use by properly trained and experienc ed personnel only. If
you are not f amiliar wit h the pr oper and saf e operati on of a lathe, do not use until proper t rai ning and
knowledge have been obtained.
5. Do not use this lathe f or other than its i ntended use. If used f or other purposes, W MH Tool Group
disclaim s any real or i mplied warrant y and h olds itsel f harml ess from any injury t hat may r esult f rom
that use.
6. Always wear approv ed safety glasses/face shiel ds whil e using this lat he. Everyday eyeglasses only
have impact resistant lenses; they are not safety glasses.
7. Before operating t his lat he, rem ove tie, ri ngs, watches and other j ewelry , and r oll sleev es up past the
elbows. Remove all loose clothing and confine long hair. Non-slip footwear or anti-skid floor str ips are
recommended. Do not wear gloves.
8. Wear ear protector s (plugs or muffs) during ext ended peri ods of operation.
9. Some dust created by power sanding, sawing, grinding, drilling and other construction activities
contain chemi cals known to cause cancer , bir th defects or other r eproductiv e harm . Some examples
of these chemic als are:
• Lead from lead based paint.
• Crystalli ne sil ic a from bricks, cement and other masonry products.
• Arsenic and chromium from chemically treated lum ber .
Your risk of exposure varies, depending on how often you do this type of work. To reduce your
exposure to these chemicals, work in a well-ventilated area and work with approved safety
equipment, such as face or dust masks that are specifically designed to filter out microscopic
particles.
10. Do not operate this machine while tired or under t he influence of drugs, alcohol or any m edic ation.
11. Make certain the switch is in the OFF position before connecting the machine to the power supply.
12. Make certain the machine is properly grounded.
13. Make all machine adjustments or maintenance with the machine unplugged fr om the power source.
14. Remove adjusting keys and wrenches. Form a habit of checking to see that keys and adjusting
wrenches are removed from the machine before turning it on.
15. Keep safety guards in place at all times when the machine is in use. If removed for maintenance
purposes, use extreme caution and replace the guar ds immediately.
16. Check damaged parts. Before further use of the machine, a guard or other part that is damaged
should be carefully checked to determine that it will operate properly and perform its intended
function. Check for alignment of moving part s, binding of moving parts, br eakage of parts, mounting
and any other condi ti ons that m ay affect its operati on. A guard or ot her part that i s damaged shoul d
be properly repaired or replaced.
17. Provide for adequate space surrounding work area and non-glare, overhead lighting.
18. Keep the floor around the machine clean and free of scrap mater ial, oil and grease.
19. Keep visi tors a safe distance from the work area. Keep ch il dren away.
20. Make your workshop child proof with padloc k s, m ast er switc hes or by r em oving starter keys.
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21. Giv e your work undivi ded attention. Looking ar ound, carryi ng on a conversation and “ horse-play” ar e
careless acts that can r esul t in serious injury.
22. M aintain a balanc ed stance at all t imes so that you d o not fall or lean against movi ng parts. Do not
overreach or use exc essive force to perform any machine operation. Never force the cutt ing action.
23. Use the ri ght t ool at the cor rect speed and feed r ate. Do not for ce a tool or attachment to do a j ob for
which it was not designed. T he ri ght tool will do the job better and safer.
24. Use recommended ac c essories; improper accessories may be hazardous.
25. Maintain tools with care. Keep cutting tools sharp and clean for the best and safest performance.
Follow instructions for lubricating and changing accessories.
26. Do not attempt to adjust or remove tools during oper ation.
27. Tur n off the machi ne and disconnect f rom power bef ore cleani ng. Use a brush to remove shavi ngs or
debris — do not use your hands.
28. Do not stand on the machine. Serious injury c ould oc c ur if the mac hine tips over.
29. Never leav e the machine running unat tended. Turn the power off and do not leave the machine until it
comes to a complete stop.
30. Remove loose items and unnecessary work pieces from the area before starting the machine.
Familiarize you rself with the following safet y no tices used in this manual:
This means that if precautions are not heeded, it may result in minor injury and/or
possible machine damage.
This means that if precautions are not heeded, it may result in serious injury or possibly
even death.
- - SAVE THESE INSTRUCTIONS - -
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The following specificati ons were current at the time this manual was published, but because of our policy
of continuous im prov ement, WMH Tool Group reserv es the right to change specif icati ons at any tim e and
without pri or notic e, without incurri ng obligations.
Specifications
Model Number......................................................................GH-1440ZX ..............................GH-1460ZX
Stock Number..............................................................................321910 .....................................321920
Capacities:
Swing over Bed (in.).............................................................................14.............................................14
Swing over Cross Slide (in.).............................................................7-5/8 .........................................7-5/8
Swing Through Gap (in.)................................................................23-5/8.......................................23-5/8
Length of Gap (in.).........................................................................12-1/4....................................... 12-1/4
Distance between Centers (in.)............................................................40 .............................................60
Headstock:
Spindle Bo r e (in .).............................................................................3-1/8 .........................................3-1/8
Spindle Mo u n t..................................................................................D1 -8.........................................D1-8
Spindle Taper with Sleeve ....................................................MT-7(MT-5)..............................MT-7(MT-5)
Number of Spindl e Speeds ..................................................................12.............................................12
Range of Spindle Speeds (RPM ) ............................................ 42 to 1800 ................................ 42 to 1800
Gearbox:
Number of Longit udi nal and Cr oss Feed s ..........................................122...........................................122
Range of Longitudinal Feeds (in./rev .)............................ 0.0015 to 0.0913 .......................0.0015 to 0.0913
Range of Cross Feeds (in. /rev.) .....................................0.0006 to 0.0365 .......................0.0006 to 0.0365
Number of Inch Threads ......................................................................61 .............................................61
Range of Inch Threads (in.).....................................................1-5/8 to 72................................1-5/8 to 72
Number of Metric Threads ...................................................................24............................................. 24
Range of Metric Threads (mm)................................................. 0.05 to 20................................. 0.05 to 20
Compound and Carriage:
Maximum Tool Size (in.)..................................................................1 x 1.........................................1 x 1
Maximum Compound Slide Travel (in.).............................................5-1/8 .........................................5-1/8
Maximum Cross Slide Travel (in.)..........................................................9 ...............................................9
Carriage Tr av el (i n.).............................................................................35.............................................55
Tailstock:
Tailstock Spindle Travel (in.)..................................................................5 ...............................................5
Tailstock Taper................................................................................MT-4.........................................MT-4
Steady Rest Capacity (in.) .....................................................1/2 to 3-1/2............................... 1/2 to 3-1/2
Follow Rest Capacity (in.)............................................................3/8 to 7.....................................3/8 to 7
Width of Bed (in.)...........................................................................13-3/8....................................... 13-3/8
Overall Dimensions (in.)(LxWxH)..............................97-1/2 x 40 x 46-7/8................116-1/2 x 40 x 46-7/8
Motor................................................................7-1/2HP, 3Ph, 230/460V* ..........7-1/2HP, 3Ph, 230/460V*
Approximate Net Weight (lbs.) .........................................................5187 .........................................5380
*pre-wired 230V
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