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BALL SCREW JACKS
INSTALLATION, MAINTENANCE, &
LUBRICATION INSTRUCTIONS
THIS ACTIONJAC™ BALL SCREW JACK
WAS PROUDLY MADE IN THE USA BY THE
EMPLOYEES OF NOOK INDUSTRIES, INC.
TABLE OF CONTENTS
General instructions .................................... 2
Ordering Spare/Repair Parts ........................ 2
General Specifications ................................. 3
Lubrication ................................................... 3
Installation Instructions ................................ 4
Tips for Disassembly & Reassembly ........... 5
Disassembly Instructions ....................... 5-10
Exploded View of Jack Units ..................... 6-7
Reassembly ............................................... 10
Troubleshooting .....................................10-11
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Summary of Contents for NOOK Actionjac
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Page 1: Table Of Contents
BALL SCREW JACKS INSTALLATION, MAINTENANCE, & LUBRICATION INSTRUCTIONS THIS ACTIONJAC™ BALL SCREW JACK WAS PROUDLY MADE IN THE USA BY THE EMPLOYEES OF NOOK INDUSTRIES, INC. TABLE OF CONTENTS General instructions ........2 Ordering Spare/Repair Parts ......2 General Specifications ......... 3 Lubrication ........... -
Page 2: General Instructions
5. Adequate installation, maintenance and GENERAL INSTRUCTIONS safety instructions must be given by the user to personnel directly responsible for Your ActionJac™ Ball Screw Jack is a high the installation and operation of the equip- quality, sturdy unit designed to give many ment. -
Page 3: General Specifications
Nook Industries for maximum load car- CAUTION - Standard units should not be rying capacity and uniformity of motion operated at input speeds over 1,800 RPM transmission. -
Page 4: Installation Instructions
adding lubricant to the jack housing do Ball Screw Lift Shaft not exceed the amount specified. See jack In the normal operating range (32°F to nameplate for specific lubricant installed in 160°F), oil or a good grade of light bearing the gearbox, or consult factory. -
Page 5: Tips For Disassembly & Reassembly
⁄ ⁄ CAUTION - If limit switches are furnished ⁄ by Nook Industries, they are NOT factory set. Limit switches should be set by care- ⁄ fully moving to the set position by hand or jogging. Care must be taken to avoid run- ⁄... -
Page 8: Disassembly Instructions
CUTAWAY OF BALL NUT ASSEMBLY Ball Guide Clamp Ball Guide Ball Deflector Ball Nut Machined Threads Bearing Balls Ball Nut Screw Shaft Assembly Ball Deflector Method Used with ball nuts in 30, 50, & 75 BSJ units Ball Guide Ball Guide Pickup Finger Pickup Finger Method Used with ball nuts in all other BSJ units... - Page 9 On 20 and 30 BSJ units, remove (2) shaft with a wooden mallet, turn the socket head set screws holding hous- worm shaft. This will loosen the bear- ing adapter (Item 18) to housing. ing cup to facilitate removal. On 20-BSJ unscrew housing adapter. Remove the worm shaft bearing cups.
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Page 10: Reassembly
TROUBLESHOOTING TIPS Your ActionJac™ Ball Screw Jack will perform satisfactorily if suggestions described in this booklet are carefully followed. It is estimated that approximately 98 percent of Ball Screw Jack failures can be attributed to improper lubrication, misapplication, and mis- alignment. - Page 11 Lifting Screw Failure 1. Unit Overload See Housing Failure No. 1. 2. Alignment See Ball Nut Faliure No. 2. 3. Side Load Check with Nook Industries Engi- neering Department for allowable size load. 4. Improper Selection See Ball nut Failure No.4.
- Page 12 The equipment shown in this bulletin is intended for industrial use only and should not be used to lift, support, or otherwise transport human cargo, un- less you have a written statement from Nook Industries, Inc. that the Jack unit as used in your application is suitable for human cargo.
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