OHAUS 700 Series Field Service Manual Download Page 1

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Ohaus Corporation

29 Hanover Road
Florham Park, NJ
07932-0900

MECHANICAL BALANCES

FIELD SERVICE / PARTS
MANUAL

99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431

Summary of Contents for 700 Series

Page 1: ...ion 29 Hanover Road Florham Park NJ 07932 0900 MECHANICAL BALANCES FIELD SERVICE PARTS MANUAL 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEqui...

Page 2: ...Reproduction of this material is strictly prohibited Material in this manual is subject to change Copyright 1997 Ohaus Corporation all rights reserved Registered trademark of Ohaus Corporation SERVICE...

Page 3: ...00 and 1500 Harvard Trip Balances 3 4 CHAPTER 4 PARTS LISTS 4 1 Parts Lists 4 1 Page No LIST OF TABLES TABLE NO TITLE 1 1 Mass Values 1 2 1 2 Models 310 and 311 Specifications 1 2 1 3 Series 700 Tripl...

Page 4: ...ii...

Page 5: ...ces Contains information on the care of mechanical balances Chapter 3 Servicing Contains typical problems and solutions for servicing Chapter 4 Parts Lists Contains a partial parts list for each model...

Page 6: ...AND TEST EQUIPMENT REQUIRED In order to properly service Mechanical Balances certain test items are required These items are listed as follows 1 3 1 Standard Tools and Test Equipment List 1 Standard T...

Page 7: ...alibrations Front beam 10g x 0 1g Middle beam 500g x 100g Rear beam 100g x 10g 1 5 SPECIFICATIONS Cont TABLE 1 3 SERIES 700 TRIPLE BEAM SPECIFICATIONS TABLE 1 4 SERIES 1200 SCHOOL BALANCE SPECIFICATIO...

Page 8: ...1 4 CHAPTER 1 INTRODUCTION...

Page 9: ...d air or an air syringe no oils or lubricants Magnets avoid ferrous magnetic material contact clean with adhesive backed tape 2 1 2 Always secure beam when handling Prevent side to side Beam movement...

Page 10: ...2 2 CHAPTER 2 CARE OF MECHANICAL BALANCES...

Page 11: ...he Beam Solution Replace new Poise and secure by forcing Check Pin up with a pair of needle nose pliers The 100g Poise has the Check Pin the 500g Poise does not Problem Shot Missing from under Pan Sol...

Page 12: ...d Graduated Strip will peel off When replacing move front Poise completely to the left and line up new Graduated Strip at zero E Zero Adjust Knob Replacement Hold down Leaf Spring with a small screw d...

Page 13: ...til flare on Knob has passed over the spring To perform this operation Beam should be removed from the balance Problem Shot missing from Pan Support assembly Solution Remove hanging assembly and place...

Page 14: ...alance to Ohaus for service Problem Bent Damper Vane Solution Bend Damper Vane with fingers or needle nose pliers Note The easy way to observe this is to elevate the Balance with the Rod Support Probl...

Page 15: ...f each item is used in the manufacture of a product the quantity will be listed in parenthesis following the description 5 Some descriptions are followed by the fastener part number and quantity requi...

Page 16: ...00 Friction Plate with Tab 3045 00 Stainless Steel Scale Plate Model 750 3051 00 Check Rod Assembly 3125 10 Graduated Beam Insert 10g x 1g 3126 10 Graduated Beam Insert 500g x 100g 3127 10 Graduated...

Page 17: ...100 g Graduated Beam Insert 4514 10 10 g Graduated Beam Insert 4515 10 1 g Graduated Beam Insert 4516 00 Damper Vane D 2202 14 2 4519 00 Balance Compensator Spring D 2202 14 4529 10 Threaded Rod 4534...

Page 18: ...e Cup 2 L 1107 63 Screw 1034 00 Friction Plate 4 1035 03 Bearing Cover 5 1071 01 Stainless Steel Pan Set 1097 00 Balance Slug 4 Pan Model 1240 00 10 gram Poise Single Beam 1247 00 Friction Plate with...

Page 19: ...t it is howeveranelectricalconductor Whenitmovesthrough a magnetic field it sets up a magnetic field opposing the magnetic field of the Permanent Magnets This slows the Beam movement The faster the Be...

Page 20: ...4 6 CHAPTER 4 PARTS LISTS...

Page 21: ...t be thoroughly checked after the replacement is made The balance MUST meet the parameters of all applicable specifi cations in this manual Iffurthertechnicalinformationisneeded intheUnitedStatescallO...

Page 22: ...5 2 CHAPTER 5 DRAWINGS...

Page 23: ...CHAPTER 5 DRAWINGS Figure 5 1 Typical Triple Beam Drawing 5 3 5 4...

Page 24: ...CHAPTER 5 DRAWINGS Figure 5 2 Models 310 and 311 Balance Drawing 5 5 5 6...

Page 25: ...CHAPTER 5 DRAWINGS Figure 5 3 Series 1200 Balance Drawing 5 7 5 8...

Page 26: ...CHAPTER 5 DRAWINGS Figure 5 4 Harvard Trip Balance Drawing 5 9 5 10...

Page 27: ...MECHANICAL BALANCES P N 79815 01 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com...