MINI VERTICAL MILLING/ DRILLING MACHINE 44991 ASSEMBLY AND OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd., Camarillo, CA 93011 Visit our Web site at http://www.harborfreight.com Copyright © 2000 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools.
ITEM Specifications DESCRIPTION Power Consumption 120 VAC, 60 Hz, single phase Speed Ranges 0 ~ 1100 low RPM and 0 ~ 2500 high RPM Motor 4/5 HP Spindle R-8 Taper End Mill Capacity 1/2 inch Drill Capacity 1/2 inch Chuck Face Mill Capacity Micro Feed Scale Depth Scale Table Slot Width Table Size Unit Height Weight JT33 Taper; 7/64 to 1/2 inch capacity 1 inch 0.002 inch per line 0.
do the work of a larger industrial tool. There are certain applications for which this tool was designed. Do not modify this tool and do not use this tool for a purpose for which it was not intended. 7. Dress properly. Do not wear loose clothing or jewelry as they can be caught in moving parts. Protective, electrically non-conductive clothes and non-skid footwear are recommended when working. Wear restrictive hair covering to contain long hair. 8. Use eye and ear protection.
up. Otherwise, the extension cord could melt and catch fire, or cause electrical damage to the tool. This tool requires use of an extension cord of 0 to 10 amps capability (up to 50 feet), with wire size rated at 18 AWG. Longer extension cords require larger size wire. If you are using the tool outdoors, use an extension cord rated for outdoor use. (signified by “WA” on the jacket). 21. Maintenance. For your safety, service and maintenance should be performed regularly by a qualified technician.
3. An optional oil pan can be placed under the machine before it is mounted to the table. 4. Before operation, loosen the slide, worktable, and drill-mill spindle. They were locked for shipping. 5. Remove all packing material and clean machine with nonflammable solvent. Oil the machine according to the lubrication requirements before running the machine. Assembly 1. Install the Chuck.
Checks before Operation 1. Turn on the machine by lifting the cover and pulling out the Emergency Stop Switch (137). 2. Turn the Speed Control Knob (134) and verify spindle speed changes. 3. Verify that the spindle is rotating clockwise. 4. Operate the Longitudinal Axis (Working Table), Cross Axis (Saddle Seat), and Vertical Axis (Vertical Support), and verify their proper operation and movement. Caution: Avoid injury to you or damage to machine.
2. Adjust the position of the Limit Block (65) up or down. Refer to the Ruler (67) on the side of the Vertical Support (68). 3. Tighten the Handle. Adjusting the Vertical Support Angle 1. Using the Large Wrench (accessory A), loosen Lock Nut (70) only enough to allow movement of the Vertical Support (68). Caution: Avoid injury or damaging machine, hold the Vertical Support in place to keep it from falling to the left or right during adjustment. (68) (70) 2.
10. When the drilling or milling is completed, press in on the Emergency Stop Switch and close its cover. 11. Unplug the line cord from the electrical outlet and clean the machine of all debris. Maintenance Caution: Avoid injuries or damage to equipment. Before performing any maintenance on this machine, unplug the power cord from the electrical outlet. Lubrication Requirements 1. Using a light oil and clean cloth, after each use, wipe down all metal parts of the machine to prevent rusting. 2.
Parts List 4 NOTE: Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts.
with SKU 44991 Page 10 REV 11/02
Longitudinal (Y) Axis and Cross (X) Axis Assembly Drawing SKU 44991 Page 11
Vertical (Z) Axis Assembly Drawing SKU 44991 Page 12
Spindle and Gear Box Assembly Drawing SKU 44991 Page 13
Limited 90 Day Warranty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase.
