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  3075-GS ZOOM STEREO MICROSCOPE ON GEM STAND   

 

 

 

         

 

         

ACCU-SCOPE

          73 Mall Drive, Commack, NY 11725  •  631-864-1000  •  www.accu-scope.com 

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TROUBLESHOOTING 

Under certain conditions, performance of this unit may be adversely affected by factors other than 

defects. If a problem occurs, please review the following list and take remedial action as needed. If you 

cannot solve the problem after checking the entire list, please contact your local dealer for assistance. 

 

Trouble 

Cause 

Remedy 

Double images 

Interpupillary distance is not correct 

Readjust it  

Diopter adjustment is not correct 

Readjust it  

 

 

Dirt appears in the view field 

Dirt on the specimen 

Clean specimen 

Dirt on the surfaces of eyepieces  

Clean eyepieces 

Dirt on surface of objective 

Clean objective 

Dirt on stage 

Clean stage 

Image is not clear 

Dirt on the surface of objectives 

Clean objectives 

Image is not clear while focusing  

Diopter adjustment is not correct 

Readjust diopter 

Focusing is not correct 

Readjust it 

The focusing knob is not smooth 

The focusing knob is too tight 

Loosen it to a suitable position 

The image is obscure because of the 

head slipping down during 

observation 

The focusing knob is too loose 

Adjust the tension on the focus 

knobs 

 

 

 

Lamp does not work 

Bulb may be loose in socket 

  Remove bulb and reinsert 

securely 

Bulb has burned out 

Replace the bulb 

Fuse has burned out 

Replace the fuse 

Dirt on the stage obstructed the path 

of light 

Clean the stage 

 

Lamp burns out frequently 

Voltage from power supply is too 

high 

Use the brightness adjustment 

knob to lower brightness 

The bulb is not standard 

Use the recommended bulb  

Fuse burns out frequently 

Voltage from power supply is too 

high 

Use the brightness adjustment 

knob to lower brightness 

Light flickers 

Bulb needs replacement 

Replace bulb 

Bulb may be loose in socket 

  Remove bulb and reinsert 

securely 

 

 

Summary of Contents for 3075-GS

Page 1: ...MANUAL 73 Mall Drive Commack NY 11725 631 864 1000 P 631 543 8900 F www accu scope com info accu scope com 3075 GS Zoom Stereo Microscope on Gem Stand MANUAL ...

Page 2: ...631 864 1000 www accu scope com 1 CONTENTS SAFETY NOTES 2 REPAIR CARE AND MAINTENANCE 2 INTRODUCTION 3 UNPACKING AND COMPONENTS 3 COMPONENTS DIAGRAM 3 ASSEMBLY 4 6 ADJUSTMENT AND OPERATION 7 9 REPLACING THE ILLUMINATOR LAMPS 10 11 TROUBLESHOOTING 12 MAINTENANCE 13 SERVICE 13 WARRANTY 13 ...

Page 3: ...pe NOTE Always plug the Microscope power cord into a suitable grounded electrical outlet A grounded 3 wire cord is provided CARE AND MAINTENANCE 1 Do not attempt to disassemble any component including eyepieces objectives or the focusing assembly 2 Keep the instrument clean remove dirt and debris regularly Accumulated dirt on metal surfaces should be cleaned with a damp cloth More persistent dirt ...

Page 4: ...cedures ensure each microscope is of the highest quality prior to shipment UNPACKING AND COMPONENTS Your microscope arrived packed in a molded shipping carton Do not discard the carton the shipping carton should be retained for reshipment of your microscope if needed Avoid placing the microscope in dusty surroundings or in high temperature or humid areas as mold and mildew can form Carefully remov...

Page 5: ...DIAGRAM The diagram below shows how to assemble the various components The numbers indicate the order of assembly When assembling the Microscope make sure that all parts are free of dust and dirt and avoid scratching any parts or touching glass surfaces Stereo Head Lock Screw Power Cord Eyepieces Fluorescent Illuminator Gem Clamp ...

Page 6: ...rew on the stand and insert the stereo head into the bracket of the stand Tighten the lock screw to secure the stereo head Installing the Eyepieces Fig 1 Remove the eyepiece dust caps and insert the eyepieces until they stop as shown in Fig 1 Installing the Stoneholder Fig 2 The stage has two stoneholder mounts on either side of the stage where you can attach the stoneholder Fig 1 Fig 2 ...

Page 7: ...d connector into place Hand tighten the connector If possible it is recommended to further tighten the connector by using rubber tipped pliers This will ensure that the gooseneck will not loosen and rotate as the overhead fluorescent light is being used Installing the Optional LED Light Fig 3A Remove the plastic cap covering the opening to the LED socket Insert the LED light guide into the socket ...

Page 8: ...st tension hold both left and right focus adjustment knobs with both hands hold the left knob to prevent it from turning and rotate the right knob clockwise to increase tighten or counterclockwise to decrease loosen the focus knob tension After tension adjustment has been completed always rotate both adjustment knobs in the same direction Adjusting Interpupillary Distance Fig 6 Different users hav...

Page 9: ...sition do this when users change because different users have differing diopters Rotate the magnification selector knob to 3x and rotate the focusing knob to focus on the iris diaphragm Rotate the magnification selector knob to the 1x magnification position and adjust the diopter ring on left eyepiece to focus the specimen repeat for the right eyepiece Adjusting the Bottom Illumination Fig 8 Plug ...

Page 10: ...pen the baffle by rotating the baffle control knob counterclockwise Inclusions should stand out as dark objects against a bright background Darkfield Illumination Close the baffle by rotating the baffle control knob clockwise The stone is illuminated with diffused light from the sides View the stone against the baffle s black non reflective background Inclusions stand out as bright objects Adjusti...

Page 11: ...of the darkfield housing is a trap door Open the trap door by loosening the screw see Fig 11 The screw can be loosened by hand or by using the small flathead screwdriver included in the original shipment of the Gem stand The door will open and the lamp can be removed IMPORTANT When replacing the lamp be careful not to touch the new lamp with your fingers as the oils and dirt on your fingers can af...

Page 12: ...rner of the cover plate using the Phillips head screwdriver that was included with your Gem stand The fluorescent lamp is connected to a socket in the housing by a four pin connector The socket is held in place with a screw Remove the screw from the lamp socket Carefully pull the fluorescent lamp out from the socket by the base of the lamp to avoid accidental breakage Insert the new lamp into the ...

Page 13: ...objectives Clean objectives Image is not clear while focusing Diopter adjustment is not correct Readjust diopter Focusing is not correct Readjust it The focusing knob is not smooth The focusing knob is too tight Loosen it to a suitable position The image is obscure because of the head slipping down during observation The focusing knob is too loose Adjust the tension on the focus knobs Lamp does no...

Page 14: ...kmanship for a period of five years from the date of invoice to the original end user purchaser The LED lamp is warranted for a period of two years from the date of invoice to the original end user purchaser This warranty does not cover damage caused in transit misuse neglect abuse or damage resulting from improper servicing or modification by other then ACCU SCOPE approved service personnel This ...

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