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Two Year Warranty

All RedBack Lasers come with a limited 

2 year warranty

 from date of purchase, 

this warranty states that Redback Lasers will be free from defects in material and 

manufacture. The warranty does not cover damage or defects caused by or resulting 

from misuse, accidental damage, un-authorised repair or abnormal use. If the equipment 

fails under the warranty period or conditions it will need to be returned either to the 

place of purchase or to RedBack Lasers direct together with proof of purchase (items 

can be returned without proof of purchased where age of unit can be estimated) for 

replacement or repair. Any lasers or levels returned that do not fulfil warranty criteria will 

be quoted for repair. Calibration is not covered by warranty, however, we provide a once 

off free calibration check for any Redback Lasers that may need re-calibration during 

the warranty period. Note that this offer is invalid if the unit shows signs of accidental 

damage, un-authorised repair or abnormal use. Also note that when returning the unit 

to us for free calibration the customer is liable for freight, we will arrange and cover 

return freight. Any subsequent need to be re-calibrated will attract a service charge.  The 

warranty obligation is limited to repair or replacement of faulty products falling within the 

warranty criteria and does NOT include cost or hiring replacement equipment during the 

time taken to remedy the warranty or loss of earnings during this period. RedBack Lasers 

excepts no responsibility for any inaccurate work carried out by the user, it is the users 

responsibility to maintain good working practices and regularly test their tools for accuracy.

 REDBACK LASERS WARRANTY

RedBack Lasers

TM

 distributed by CMI Industries Pty Ltd

P.O. Box 7324 - Geelong West - Victoria - 3218 - Australia

Ph: (03) 5228 0796 email: [email protected]

www.redbacklasers.com.au

Summary of Contents for ol28x

Page 1: ......

Page 2: ...n 9 Calibration Self Check Technical Specifications 10 Care Maintenance Trouble Shooting 11 Warranty 12 2 Copyright CMI LasersTM RedBack lasersTM and Level1LasersTM All rights reserved CMI Industries...

Page 3: ...and water The OL28X is simple to use Use the rough levelling bullseye vial to get the unit into self levelling range and the magnetically dampened compensator does the rest The OL28X features a rubber...

Page 4: ...l Dumpy Unit 1 Lens Cover 2 Focus 3 Rubber Eypeice Sheild 4 Eyepiece Cross Hair Focus 5 Angle Estimator 6 Levelling Feet 7 Fine rotation Adjustment www redbacklasers com au Rough Levelling Vial OL28X...

Page 5: ...Line View through OL28X Bottom Stadia Line Bubble Vial is roughly levelled using adjustment feet The bubble ONLY NEEDS TO BE SOMEWHERE IN THE CIRCLE for the dumpy level to self level Getting the bubb...

Page 6: ...gh level of accuracy Next the front of the dumpy level needs to be pointed at the required target staff This is achieved with the help of the sight built into the top housing Rotate the complete level...

Page 7: ...you can set the same height and so have a level site Vertical Alignment with the OL28X The OL28X can be used for vertical alignment such as fence post alignment This is simply acheived by placing the...

Page 8: ...f the tripod the exact position of the dumpy level can be marked on the ground Next set the staff up at the point that you want to estimate the distance to and look through the eyepiece Note the numbe...

Page 9: ...he OL28X can be used to estimate angles with the use of the angle finder scale Simply aim the dumpy level at the target point using the cross hair and zero off the angle finder scale by rotating the a...

Page 10: ...calibration certified sticker with the date and name of technician is located on the laser level itself It is worth checking calibration from time to time particularly after any known knocks or drops...

Page 11: ...e a cross hair through eyepiece A The cross hair needs focusing for your eye sight by rotating the adjustment ring on the eyepiece itself Q The Bubble Vial does not stay exactly central when I rotate...

Page 12: ...ibration during the warranty period Note that this offer is invalid if the unit shows signs of accidental damage un authorised repair or abnormal use Also note that when returning the unit to us for f...

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