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Jet GH-20 ZH Series - User Manual

Jet GH-20 ZH Series
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GH-20xxZH-
GH
-
26xxZH
METAL LATHES
Original:
GB
Operating Instructions
Translations:
D
Gebrauchsanleitung
F
Mode d´emploi
Walter Meier (Fertigung) AG
Bahnstrasse 24
8603 Schwerzenbach
Switzerland
Phone +41 44 806 47 48
Fax +41 44 806 47 58
jetinfo.eu@waltermeier.com
www.jettools.com
M - 5000766T-50000769T, 50000779T-50000832T 2009-12

Table of Contents

Questions and Answers

  • R
    Rhonda PetersAug 13, 2025
    Why won't my Jet GH-20 ZH start?
    • M
      Makayla VazquezAug 13, 2025
      There are several reasons why your Jet Lathe might not be starting. It could be due to: * No electrical power or incorrect wiring: Verify the incoming power, main leads, and that the main switch is on. * Emergency stop switch: Rotate the switch clockwise to release it. * Open end gear cover: Close the cover. * Blown fuse: Replace the fuse in the main electrical box or reset the circuit breaker at the power source. * Defective components: Have an electrician test the on/off switch, motor, or cable. * Faulty foot brake switch: Check and replace it if needed. * Tripped thermal relay: Reset it. If it trips frequently, increase the amp setting.
  • B
    barrettcynthiaAug 16, 2025
    Why is my Jet GH-20 ZH Lathe vibrating so much?
    • R
      Rodney ObrienAug 16, 2025
      Excessive vibration in your Jet Lathe can stem from several issues: * Unbalanced workpiece: Reduce the spindle speed. * Workpiece deflection: Adjust the chucking length or diameter, and use support on the tailstock end. * Tool deflection: Reduce the tool length. * Backlash: Adjust backlash on slide ways/gibs. * Dry slides: Properly lubricate the slides/ways. * Dull tool: Resharpen or replace the tool. * High chip load: Reduce the depth of cut or feed rate. * Misaligned belts: Inspect and correct the belts. * Spindle bearings: Adjust the bearings.
  • L
    Lindsay AcostaAug 19, 2025
    What to do if my Jet GH-20 ZH is overheating?
    • A
      ann63Aug 20, 2025
      If your Jet Lathe is overheating, it's likely due to bogging down in the cut. This can be caused by an excessive feed rate or depth of cut. Try decreasing the feed rate or depth of cut.
  • J
    Jessica SinghAug 25, 2025
    Why does my Jet GH-20 ZH Lathe spindle lack turning power or starts slowly?
    • J
      Jessica BaxterAug 25, 2025
      If the spindle on your Jet Lathe lacks turning power or starts up slowly, it could be due to: * A slipping friction clutch: Adjust the clutch. * Slipping belts: Tighten the belts.
  • H
    Herbert TaylorAug 27, 2025
    Why is my Jet Lathe turning a taper?
    • J
      Jared CampbellAug 27, 2025
      If your Jet Lathe is turning a taper, it's likely due to: * Misalignment: The tailstock is not aligned with the headstock, so align the tailstock. * Twisted bed: The lathe bed is twisted, so correct this by leveling the lathe.
  • S
    Samuel RodriguezAug 31, 2025
    What to do if tool tip burns on Jet GH-20 ZH Lathe?
    • M
      millerbrookeAug 31, 2025
      If the tool tip is burning on your Jet Lathe, it could be caused by: * Cutting speed: The cutting speed is too high, so reduce the speed. * Dull tool: The tool is dull, so resharpen or replace it.
  • A
    Angela LeeSep 4, 2025
    Why is it difficult to move carriage, cross slide or compound rest on my Jet Lathe?
    • E
      Eric ScottSep 4, 2025
      If the carriage, cross slide, or compound rest on your Jet Lathe is difficult to move, it could be due to: * Tightened carriage lock: Release the carriage lock. * Tight gibs: Adjust the gibs using the gib screws. * Debris or dryness: Clean the bed ways and verify they are being lubricated properly.
  • W
    William KimSep 8, 2025
    Why is there no automatic power feed on my Jet GH-20 ZH Lathe?
    • S
      Shannon WhiteSep 8, 2025
      If there is no automatic power feed on your Jet Lathe, the shear pin is likely broken. Replace the shear pin.

Jet GH-20 ZH Series Specifications

General IconGeneral
BrandJet
ModelGH-20 ZH Series
CategoryLathe
LanguageEnglish

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