Jet GHD-20 User Manual

Specifications; GHD.20Series
Stock Number 354020/354024/354022/354026
Drilling Capacity (cast iron) 1-1/2"
Drilling Capacity (steel) """'"'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' 1-1/4"
Swing 20"
Maximum Distance Spindle to Table .., 30-7/8"
Spindle Taper ... MT-3
Spindle Travel (GHD-20/20T Manual) 5"
Spindle Travel (GHD-20PF Manual) 4-1/2"
Spindle Travel (GHD-20PF Power) """"'''''''''''' 4-1/4"
Spindle Travel (GHD-20TI2PFT Tapping) on"""'" "'''''''''''''''''''''''' 4-7/8"
Quill Diameter 3"
Column Diameter 4-1/2"
Number of Spindle Speeds .12
Range of Spindle Speeds (rpm) ..60-3000
Number of Power Downfeeds (GHD-20PF only) 3
Range of Power Downfeeds (GHD-20PF only) OO4",.007", .01"
Table Size 21-1/4" x 18-112"
Motor -"""" -. ... """"""""'" ....2HP,3Ph, 230V, 2 Speed
Net Weight (GHD-20/20T) 660 Ibs.
Net Weight (GHD-20PF/20PFT)- on. 670 Ibs.
Table of Contents
Warnings 2-3
Specifications , ... 4
Contents of Shipping Container 5
Before Assembly ... 5
Assembly -.." 5
Adjusting the Head Height 6
Adjusting the Rack Assembly 6-7
Controls -. 7
Control Panel for GHD-20T/20PFT 8
ElectricalConnections "'''''''' .-. 9
Installing Chuck (not included) """""""""""""""""""""""""""""'" 9
Removingthe Arbor 9
Adjusting Depth Stopfor Drilling (GHD-20). 10
Adjusting Depth Stop for Drilling and Tapping (GHD-20T) 10
Adjusting Depth Stop for Drilling (GHD-20PF) 10
Adjusting Depth Stopfor Drilling (GHD-20PFT) """'"'''''' 10
Adjusting Depth Stop for Tapping (GHD-20PFT) 11
Changing Spindle Speeds """'" 11
Return Spring Adjustment 11
Tilting the Head .12
Lubrication ., .12
Changing the Gear Box Lubricant 12-13
Troubleshooting , """""""""""""'" ... .14
Parts Breakdown& Parts List 15-27
Control Box Assembly & Parts List "",,,,,""""-"""""""""""""""'"'''''''''''''''''''''''''''''''''''''' 28-29
Electrical Panel Components (GHD-20Tand 2OPFT) 30-32
ElectricalSchematic """""""""" 33-35
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.
4

Jet GHD-20 Specifications

General

Brand	Jet
Model	GHD-20
Category	Power Tool
Language	English