14. Make the workshop child proof. Use padlocks, master switches, and remove starter keys. 15. Wear proper apparel. Loose clothing, gloves, neckties, rings, bracelets, or other jewelry may 1.0 IMPORTANT SAFETY get caught in moving parts. Non-slip footwear recommended. Wear protective hair INSTRUCTIONS...
Whatever accepted methods or materials are used, always make personal safety a priority. If there are questions or comments, please contact your local supplier or JET. JET can also be reached at our web site: www.jettools.com.
3.0 Table of contents Section Page 1.0 IMPORTANT SAFETY INSTRUCTIONS ....................... 2 2.0 About this manual ............................3 3.0 Table of contents ............................4 4.0 Specifications ..............................6 4.1 Dimensions for provided stand ........................7 5.0 Setup and assembly ............................
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13.14.2 Chuck and Leadscrew Guards – Parts List ..................50 13.15.1 Accessories – Exploded View ......................51 13.15.2 Accessories – Parts List ........................52 14.0 Wiring Diagram for GHB-1236 ........................53 15.0 Warranty and service ..........................54 ...
4.0 Specifications Table 1 Model number GHB-1236 Stock number 321236 Motor and Electricals Motor type TEFC induction Horsepower 2 HP (1.5 kW) Phase single Voltage 230V only Cycle 60 Hz Listed FLA (full load amps) 8.5 A Start capacitor 150F 250V Run capacitor 20F 450V...
= not applicable The specifications in this manual were current at time of publication, but because of our policy of continuous improvement, JET reserves the right to change specifications at any time and without prior notice, without incurring obligations.
5.0 Setup and assembly 5.1 Shipping contents See Figure 5-1. Lathe Steady Rest (mounted on lathe) Follow Rest (mounted on lathe) 6" Three Jaw Chuck (mounted on lathe) 8" Four Jaw Chuck (strapped to container) 10" Face Plate (strapped to container) Tool Box (strapped to container) Chip Tray Splash Guard...
loosen mounting bolts, shim, and retighten 5.2 Uncrating and cleanup mounting bolts. The lathe must be level to be accurate. Machine is heavy. Use an 5.3 Chuck preparation (three jaw) appropriate lifting device and use extreme caution when moving the machine to its final location.
5.4 Chuck guard installation Install chuck guard to headstock, if it is not already mounted. (See parts breakdown if clarification is needed for assembly.) 6.0 Lubrication Lathe must be serviced at all lubrication points and all reservoirs filled to operating level before lathe is placed into service.
Longitudinal Feed Handwheel – Lubricate ball oiler (H, Figure 6-4) once daily with Mobil The GHB-1236 Lathe is rated at 230-volt power DTE Oil Heavy Medium. only. It is not provided with a power plug; you may either attach a proper 230V UL-listed plug, or “hardwire”...
This tool is intended for use on a circuit that has an 8.0 General description outlet that looks like the one illustrated in Figure 7- 1. The tool is intended for use with a grounding 8.1 Lathe bed plug that looks like the plug illustrated in Figure 7- 1.
The sliding fingers are set similar to the steady rest, free of play, but not binding. The sliding fingers require continuous lubrication at the contact points with the workpiece to prevent premature wear. 9.0 Controls Figure 8-2 8.5 Apron The apron (A, Figure 8-2) is mounted to the carriage.
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Speed Selector Levers (F, Figure 9-1) – Use lock. Turn counterclockwise and loosen to to select spindle speeds in ranges. unlock. Feed Direction Selector (G, Figure 9-1) – Carriage lock screw must Selects carriage travel direction when chuck is be unlocked before engaging automatic rotating in forward direction (or counter- feeds or damage to lathe may occur.
feeds and threads under normal circumstances. The additional gears found in the toolbox are used for some metric threads and feeds. Disconnect machine from power source. Open the cover on left end of headstock. Loosen hex nuts (E/F, Figure 10-2). Move quadrant out of the way.
Turn knob (B, Figure 10-4) counterclockwise Move the carriage again and adjust if so the arrow is pointing up to start the feed rod necessary. Note: Over-adjustment will cause rotating. excessive, premature wear of gibs. Figure 11-1 Figure 10-4 11.2 Cross slide adjustment 10.5 Powered carriage travel If the cross slide is too loose, follow procedure Push lever (C, Figure 10-3) down to engage cross...
Loosen two hex nuts found on the two 11.5 Half nut gib adjustment adjusting bolts located backside headstock just above motor mount bracket. Remove thread dial assembly by unscrewing Adjust the bolts for alignment and tighten hex the screw (D, Figure 11-2). nuts.
Number of your machine available when you call will allow us to serve you quickly and accurately. Non-proprietary parts, such as fasteners, can be found at local hardware stores, or may be ordered from JET. Some parts are shown for reference only, and may not be available individually.
JET sells through distributors only. The specifications listed in JET printed materials and on official JET website are given as general information and are not binding. JET reserves the right to effect at any time, without prior notice, those alterations to parts, fittings, and accessory equipment which they may deem necessary for any reason whatsoever.