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Item 40939 

For technical questions, please call 1-888-866-5797. 

Page 7

VERTICAL MILLING MACHINE ADJUSTMENTS OF TABLE 

FEED TRAVEL

ADJUSTMENTS OF TABLE FEED TRAVEL

Table longitudinal and cross feed can be set for any travel distance by adjusting 

the stop set screws that are located in front of table and at the right side of knee.

ADJUSTMENT OF TABLE GIB:

The table is provided with a full length tapered gib in the saddle with an adjusting 

screw on each end. To adjust the gib tighten the two screws until a slight drag is felt 
when moving the table by hand. If the table is not tight enough, loosen the adjusting 
screw on the small end, and tighten up adjusting screw on the big end. If the feel is too 
tight, reverse the adjusting procedures.

ADJUSTMENT OF SADDLE AND KNEE GIBS:

To adjust the saddle and knee gibs, use the same method as described above is 

used.

CLAMPING TABLE, SADDLE AND KNEE:

When milling with longitudinal table feed only, it is advisable to clamp the knee with 

the column and the saddle with the knee to add rigidity to these members and provide 
for heavier cuts with a minimum of vibration. The saddle locking lever is located on the 
left side of the saddle. Apply moderate clamping pressure, as this will hold the saddle 
sufficiently rigid. The table clamping levers are located in front of saddle and should 
always be clamped when longitudinal movement is not required. The knee clamping 
lever is at the left side of knee. Leave this clamped at all times unless the knee is in 
operation.

REMOVING THE TABLE:

Remove the table as follows: hand wheel, dial holder, then bearing bracket. Turn 

the lead screw all the way, so that it can be removed. After completing all these steps, 
the table can be disassembled easily.

REMOVING SADDLE:

Remove as follows: hand wheel, dial holder, then bearing bracket. Turn the 

leadscrew all the way, loosen set screw on the middle of the saddle, take off the lead 
screw nut, and draw the saddle gib out. The saddle can then be removed.

Summary of Contents for 40939

Page 1: ... and the receipt in a safe and dry place for future reference 18e When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2007 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 co...

Page 2: ...g boring All the Ways are hand finished for perfect bearing alignment The table is ground for accurate squareness Castings are high strength material They are aged for several months before normalizing and tempering to minimize deformation SAVE THIS MANUAL You will need the manual for the safety warnings and cautions assembly instructions operating procedures maintenance procedures trouble shootin...

Page 3: ...ways wear ANSI approved impact safety goggles if you are producing metal filings or wood chips Wear an ANSI approved dust mask or respirator when working around metal wood and chemical dusts and mists Use ANSI approved ear protection when working in a loud or noisy environment 9 DO NOT ABUSE THE POWER CORD Protect the power cord from damage either from impacts pulling or corrosive materials Do not...

Page 4: ...e particular care to safeguard yourself and those around you 1 Electrical Safety Never operate any tool if there is an electrical hazard Never operate an electrical tool in wet conditions Never operate a tool with an improper electrical cord or extension cord Never operate an electrical tool unless you are plugged into a properly grounded outlet which supplies 220 Volts at 60 Hz We recommend you u...

Page 5: ...e foundation it s advisable to apply a little grout to touch up any unevenness in this concrete in order to get a solid foundation at all points 3 When setting machine on a floor that has any surface irregularities shims should be used to correct this condition to the greatest extent possible PRE LUBRICATION 1 Thoroughly clean the machine with an appropriate solvent Do not use gasoline kerosene or...

Page 6: ...lified electrician to install the correct plug and test your power supply to assure that this machine can be operated safely 2 The Switch Box 115 is located on the left side of the column This box provides an On Off switch for machine operation An Accessory Light 117 is provided on the left side of the machine NOTICE 220 Volt systems deliver highly energetic electricity which is capable of causing...

Page 7: ...ND KNEE When milling with longitudinal table feed only it is advisable to clamp the knee with the column and the saddle with the knee to add rigidity to these members and provide for heavier cuts with a minimum of vibration The saddle locking lever is located on the left side of the saddle Apply moderate clamping pressure as this will hold the saddle sufficiently rigid The table clamping levers ar...

Page 8: ...graduations it is possible to work very accurately to different depths A lock nut under the micrometer nut assures that the micrometer nut is secured properly QUILL CLUTCH OF VERTICAL MILLING HEAD The vertical feed is controlled by a hand wheel at the front of the head and a handle at the right side of the head When the hand wheel is in use tighten the clutch lock nut by hand or loosen it for hand...

Page 9: ...earing cover 47 IYT 1012 R 75 Snap ring 48 IYT 1011 6009Z Bearing 49 IYT 1052 Thrust bearing 50 IYT 1037 Spring 51 IYT 1020 Spring 52 IYT E 19 Snap ring 53 IYT 1038 M6x15 Bolt 54 IYT 1076 Swivel arm 55 IYT 1075 Swivel stud 56 IYT R 35 Snap ring 57 IYT 1079 Pulley pivot stud 58 IYT 1080 V belt pulley 59 IYT 1084 Motor pulley 60 IYT 1067 Motor mounting 61 IYT 1068 Motor suspending pivot 62 IYT 1070 ...

Page 10: ...Gear shaft sleeve 106 IYT 2026 Gear shaft 108 IYT 2029 Elevating handle clutch 109 IYT 2030 Handle arm Part Ref Description 110 IYT 2012 Elevating gear 111 IYT 2009 Elevating lead screw 112 IYT 2007 Elevating lead screw set nut 113 IYT 2059 Chip guard 114 IYT 2001 Base 115 IYT 2089 Switch 116 IYT 2002 1 4 x2 Bolt 117 IYT 2097 Light 118 IYT 2069 Rubber sheet 119 IYT 119 6Mx25 Bolt 120 IYT 2010 6004...

Page 11: ...Item 40939 For technical questions please call 1 888 866 5797 Page 11 BASE ASSEMBLY DIAGRAM HEAD ASSEMBLY DIAGRAM ...

Page 12: ...so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchandise If o...

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