Jet GHD-20 User Manual

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.JET

EQUIPMENT & TOOLS

OPERATOR'S MANUAL

GHD-20/20T/20PF/20PFT

Gear Head Drill/Tap

(GHD-20PFTshown)

JET EQUIPMENT£ TOOLS, INC.

A WMHCompany

www.jettools.com

P.O, 60X 1348

Auburn, WA98071-1349

e-mail jet@jettools.com

203-351-6000

Fax253-939-8001

M-354026 4199

Other manuals for Jet GHD-20

Operating Instructions And Parts Manual36 pages

Questions and Answers:

M
Michelle KimJul 31, 2025
What to do if my Jet GHD-20 Power Tool drill heats up?
- J
  Jose WatkinsJul 31, 2025
  If your Jet Power Tool drill or tool heats up or burns work, it could be due to several reasons. You might be using excessive speed, in which case you should reduce the speed. The tool could be dull, so sharpen or replace it. The feed rate might be too slow; increase it enough to clear chips. Also, check if the rotation of the drill is incorrect and reverse the motor rotation if needed. Finally, if working with steel, ensure you are using cutting oil or coolant.
L
lmarksAug 4, 2025
Why does my Jet GHD-20 motor stall?
- J
  jacksonodomAug 4, 2025
  If your Jet Power Tool motor stalls, it could be due to overfeeding, so reduce the feed rate. Alternatively, the drill bit might be dull, so sharpen it. Another possibility is that the motor isn't running up to speed; in that case, replace or repair the motor. If you have a three-phase motor, check the fuses in all three legs and replace them if necessary.
K
Kathleen YoungAug 8, 2025
How to fix excessive vibration in my Jet GHD-20?
- R
  robertstrongAug 8, 2025
  Excessive vibration in your Jet Power Tool can be attributed to a motor that is out of balance. To resolve this, you can either balance the motor or replace it.
D
David BowmanAug 12, 2025
Why is there excessive drill runout or wobble in my Jet GHD-20?
- L
  Lisa WillisAug 13, 2025
  Excessive drill runout or wobble in your Jet Power Tool can occur if the drill is bent, so replace the drill. It could also be due to bearing play, so reseat or replace the bearings. Another potential cause is that the drill is not seated properly in the chuck; in this case, loosen, reset, and then tighten the chuck.
M
Mark BerryAug 16, 2025
What to do if my Jet GHD-20 drill leads off?
- L
  Lisa DavisAug 16, 2025
  If your Jet Power Tool drill leads off, it could be due to several reasons. First, ensure there is a drill spot by using a center punch or center drill on the workpiece. Another cause could be cutting lips on the drill being off-center, requiring you to re-grind the drill. Additionally, check if the quill is loose in the head and tighten it if necessary. Finally, bearing play could also be the culprit, so reseat or replace the bearings.
Q
qtaylorAug 21, 2025
Why is my Jet GHD-20 making noisy operation?
- A
  Adam ZamoraAug 21, 2025
  Noisy operation of your Jet Power Tool can stem from several causes. One potential cause is improper quill adjustment, so adjust the quill. Another cause could be a dry spindle, so lubricate the spindle. Finally, a noisy motor could be the issue, so check the motor bearings or for a loose motor fan.

Jet GHD-20 Specifications

General

Brand	Jet
Model	GHD-20
Category	Power Tool
Language	English

Summary

Important Information

1-Year Limited Warranty

Details the one-year limited warranty on the product.

Replacement Parts

Information on ordering replacement parts and contact details.

Limited Tool and Equipment Warranty

Comprehensive warranty details, exclusions, and user rights.

Safety Warnings

General Operation Safety

Advisories for safe operation, apparel, and environment.

Workshop & Machine Safety

Guidelines for work area, children, and machine usage.

Advanced Safety Practices

Personal Protective Equipment

Guidance on appropriate clothing and safety glasses.

Safe Tool Handling

Tips on tool maintenance, disconnection, and checks.

Unattended Operation Safety

Specifications

Controls

Electrical Connections

Maintenance and Lubrication

Lubrication Guide

Recommended lubricants and their application intervals.

Troubleshooting

Electrical Schematic (GHD-20/20PF only)

Electrical Schematic (GHD-20PFT)

Electrical Schematic (GHD-20T)

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