KC 71.500 Manuel utilisateur

KC Multi-corer, 4 x Ø100 mm

Model 71.500

Manual

KC Denmark

Research Equipment

Limnology ⚫Oceanography ⚫Hydrobiology

71.500 - Multi corer - Manual

Contents

Item

Description

Page

Attention –A word of safety

1-4

Preparation

4-5

Securing the lid

6-8

Loading the closing mechanism

5-6

9-11

Attaching the sample tubes

6-7

Lead weights

13-16

Adjustable penetration depth

8-9

Extending the corers footprint

The hydraulic damper

19-20

Deploying the multi corer

21-23

Securing and ejecting the sample

The Sample ejecting aggregate

11-12

Storing

Troubleshooting and maintenance

Other parts recommended (accessories)

Manual for

multi corer, 4 x Ø100 mm

Model no.

71.500

This multi corer is very dangerous in

unskilled hands and serious

precautions must be taken to avoid

accidents.

The safety clamp must always be in

the secured position and must be

released only, when the multi corer

is outside the rail of the boat. Except

for item #5 (water filling of

hydraulic damper).

KC Denmark A/S is not, and cannot

be held, responsible for any

damage(s) made to equipment or to

operators who ignore safety

precautions or because of misuse or

wrong operation.

Never walk under the multi corer,

when lifted up by the winch.

The photo shows another model with

2 pcs of safety clamps.

71.500 - Multi corer - Manual

Preparation

The actual design comes with only one safety

clamp.

Attach the safety clamp at the top of the corer,

ensuring the handle is locked properly at “1”.

The photo shows an old model with 2 safety

clamps.

Push up the lid. The wire from “A” goes through

the hole at “B” and the end is secured at “C”

71.500 - Multi corer - Manual

Lift up the unit and secure the snap hook at “D”,

while pressing the unit upwards tighten the screw

“E”. Don’t use any tools, as the unit must glide

over the bar during release of the sampler.

It is very important to attach the snap hook at

“F”. Attaching at “G” will cause malfunction to

the lid.

The handle behind the lid will secure the steel

wire from top of sampler to the bottom release

system.

Press down the handle, ensure the wire is taut

and release the handle.

71.500 - Multi corer - Manual

The spring loaded bottom lid “H” is pressed

toward the centre of the sampler.

The security pin “I” at the end of the steel wire is

inserted into “J”, so the bottom lid is locked in

open position.

When loaded, you must avoid an unattended

release as the mechanism may cause injury to

people.

Open the quick release bracket for the tube

Tilt the sample tube to the side, so you can insert

it into the hole, lower the tube for 1 cm, approx.

Align the tube to vertical position.

71.500 - Multi corer - Manual

The sample tube has a reinforcement at the top

The reinforcement of the tube is aligned at the

quick release.

Check, if the lower end of the tube is inserted

correct (item 8).

Tighten the handle to secure the tube.

Do not over tighten the handle, as you may

damage the tube

71.500 - Multi corer - Manual

After attaching the required numbers of lead

weight, you must tighten all locks for the lead

weights.

Adjustable penetration

depth

Before mounting the bracket for adjustable

penetration depth (optional), you must ensure,

that the security clamp is placed correctly (see

item 1).

The bracket is attached to the bars. For full

penetration, leave the bracket as shown.

Fasten the 4 bolts firmly to keep the bracket in

place.

For a shorter penetration move the bracket in

vertical position and fasten by means of the 4

bolts.

Extending the corers

footprint

Four extension legs (optional) can be added for

better stability in strong currents or for larger

depths.

The hydraulic damper

The multi corer has an automatic, hydraulic

damper located at the centre.

Upon lowering to the sea, the damper is filled

up with water through the inlet “K”

When the multi corer hits the seabed, the water

is forced through the outlet “L”, causing a delay

before the tubes penetrate the sediment.

Deployment

The multi corer is now ready for deployment.

When the rack is outside the bulwarks, you can

remove the safety clamps “1”.

The photo shows an old model with 2 safety

clamps.

If you must remove the security clamp while

the sampler is on deck, you must avoid an

unattended release to protect against injury.

The sampler can now be deployed to the

seabed, and the hydraulic damper will ensure a

smooth sample taking to avoid a shock wave

during penetration.

When hoisting the sampler the sediment tubes

will be withdrawn from the sediment, and the

lids will close to protect the samples from exit.

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