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13.750

Gravity Corer

–

Ø140 mm

Manual

KC

Denmark A/S

Research Equipment

Limnology

⚫

Oceanography

⚫

Hydrobiology

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Summary of Contents for 13.750

Page 1: ...13 750 Gravity Corer Ø140 mm Manual KC Denmark A S Research Equipment Limnology Oceanography Hydrobiology ...

Page 2: ...omes with these items A Main rack with support for 20 lead weights each 80 kg B Top part with non return lid C 2 lead weights each 80 kg 13 759 D Sample tube stainless steel length 5 m 13 765 E Internal liner length 5 m 13 768 F Carver 13 757 G Orange peel 13 758 Sample depth Sample tubes are available in lengths of 5 m We recommend a max length of 25 m in soft or muddy sediment Piston corer funct...

Page 3: ...y the small pins beneath the handles 2 Two lead weights A and B have been added C shows the small locking pins for the weights Add the supporting frame D and tighten 3 bolts E Gravity corer option 3 For gravity corer operation you must mount the unit with the top lid Fasten the unit and secure with the M8 x 16 bolt A Ensure the black rubber B is free of dirt ...

Page 4: ... correctly Secure the handles with a bolt E 6 You may add more tubes using the coupling device 13 756 and fasten with spikes 7 Mount the orange peel G inside the sample tube and you can now attach the carver F Fasten with spikes 8 The gravity corer is now ready to be lowered into the sea You must control the speed and lower at a reasonable speed otherwise the corer may tilt over and you get no sam...

Page 5: ...n is connected to the releaser pos 1 by an Ø8 mm stainless steel AISI 316 steel wire During the deployment the corer tube pos 9 is released 1 7 meter above the sediment as the releaser weight reaches the sediment surface The wire pos 8 which has a slack of about 1 meter allows the corer tube to fall free until the piston pos 7 is activated just before the corer tube enters the sediment The total w...

Page 6: ...al 6 10 Remove the upper part from the main rack and mount the upper part for piston corer Fasten the unit and secure with the M8 x 16 bolt like item 2 11 Attach the Kullenberg releaser arm with the bracket and mount two bolts F and G ...

Page 7: ...y unattended release Lift the release arm until the lock fits for the square hole insert and lock 13 The wire from the weight station is attached to the end of the arm of the Kullenberg releaser 14 A wire tightener i e 2 pcs PE HD plastic plate s arrangement is placed at the top of the main rack ...

Page 8: ...Guide the wire with the swivel in front through the main rack and the corer tube The swivel must remain at top of the main rack 17 Before inserting the piston at the bottom of the tube make sure the white cord does not get stuck by the piston 18 Push the piston into the tube having a free space of 3 4 cm from the end of the tube on the photo the piston remains 5 6 cm to have a correct insertion 19...

Page 9: ... the PE HD arrangement a little bit to ensure against a piston fall out at sudden movements Use bolts J and K 22 Mount the wire end with its steel thimble to the Kullenberg releaser item 9 pos 1 by the steel bolt Do not forget to make a control check 23 You may now attach the liners into the steel tube adding the orange peel system and the carver Fasten with two spikes For different lengths of cor...

Page 10: ...r use 25 WARNING Never remove the safety lock before the piston corer is outboard the ship It poses great danger for personnel to remove the safety lock inboard the ship Emptying the corer tubes 26 Requires the following items 13 761 Piston rod 13 760 Drum with ratchet device 13 762 Detacher for the tube 13 784 140 Trestles see item 35 alternatively the ship s deck The photo shows the tube detache...

Page 11: ...m 29 Fasten the ratchet device by means of A and B Do not over tighten A and B as it may cause damage to the PVC tube furthermore the piston may be stuck because of the deformation of the tube 30 Insert piston B at the end of the sample tube and then slide adapter A down the steel tube The smallest diameter of the adapter must point towards the sample tube 31 Insert the tube with the wheel at oppo...

Page 12: ... snap hook to the eye F Push C into opposite position and by turning the handle forth and back you will now force the piston through the sample tube ejecting the sample 35 Trestles made of AISI 316 stainless steel will secure the core tubes in a convenient working height We can provide replaceable jaws of different sizes allow using a wide range of tube diameters Storing and Maintenance All parts ...

Page 13: ... When working with the unit in areas which are difficult to access or hazardous ensure to take adequate safety precautions for the operator and others in compliance with the provisions of law on health and safety at work Replace worn component with original spare parts Rev January 31 2022 lkj KC Denmark A S Research Equipment Limnology Oceanography Hydrobiology E mail sales kc denmark dk website h...

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