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©2008 Johnson Level & Tool

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26X Automatic Level

Model No.  40-6926

Instruction Manual

Congratulations on your choice of this 26X Automatic Level. We 
suggest you read this instruction manual thoroughly before using 
the instrument. Save this instruction manual for future use.

®

1316H-English  7/10/08  9:45 AM  Page 1

Summary of Contents for 40-6926

Page 1: ...No 40 6926 Instruction Manual Congratulations on your choice of this 26X Automatic Level We suggest you read this instruction manual thoroughly before using the instrument Save this instruction manual...

Page 2: ...on Manual with Warranty Card 1 Hard Shell Carrying Case 1 2 Features and Functions Water resistant sealed construction for use in most weather conditions Wire hung magnetically dampened compensator La...

Page 3: ...lar bubble vial Adjusting screws for circular bubble vial Eyepiece cover Eyepiece focusing knob Horizontal circle Leveling screw Horizontal circle reference mark Compensator check button Optical sight...

Page 4: ...al screw Using the leveling screws center the circular bubble Aiming and Focusing Focus the cross hairs by turning the eyepiece focusing knob until the cross hairs are sharp and black Focus the telesc...

Page 5: ...cted by the upper and lower stadia hairs In Figure 1 these readings are at 1 9 ft and 2 1 ft The stadia ration is 1 100 therefore the distance from the instrument to the rod is 2 1 1 9 x 100 20ft Angl...

Page 6: ...k button was pressed 5 2 Circular Bubble Vial Center the vial bubble using the leveling screws then rotate the instrument 180 The bubble should remain centered Fig 3 If the bubble moved from the cente...

Page 7: ...hese height readings are a2 and b2 Fig 8 If a1 b1 a2 b2 H the line of sight is horizontal If not the level should be adjusted as follows Because the instrument is set halfway between A and B any error...

Page 8: ...ew 1 30 Shortest focusing distance 0 0315 0 8m Stadia ratio 100 Stadia addition 0 Water resistant Yes Sensitivity of bubble 8 2mm Circle graduation 1 Standard deviation for 1km double run leveling 0 0...

Page 9: ...opy of the limited warranty for a Johnson Level Tool product by contacting Johnson Level Tool s Customer Service Department as provided below or by visiting us online at www johnsonlevel com The limit...

Page 10: ...t at 800 346 6682 9 Product Registration Enclosed with this instruction manual you will find a warranty card to be completed for product warranty registration Product warranty registration can also be...

Page 11: ...void any applicable limited warranty and there will be NO WARRANTY If you need any assistance in locating any accessories please contact our Customer Service Department In the U S contact Johnson Lev...

Page 12: ...12 2008 Johnson Level Tool 1316H English 7 10 08 9 45 AM Page 12...

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