Labnet 35 Manuale utente

Operating Instructions

Labnet

Benchtop Rocker

Model 35/35D

Table of Contents

Introduction 1

Warranty 2

Specifications 3

Unpacking and Installation 3

Operation 4

Adjusting PlatformTilt 4

Safety Precautions 5

Care and Maintenance 6

Where to Call 6

CopyrightJanuary2000,LabnetInternationalInc.

Allrightsreserved.

Reproductionwithoutpriorwrittenpermissionisprohibited.

Informationcontainedhereinsubjecttochangewithoutnotice.

Introduction

TheModel35/35DBenchtop Rockeris intendedfor generalpurpose

applications requiring constant rocking. The rocker can be used in

environments from 4º to 65ºC. This allows for cold room use as well

asincubated applications.

The rockingplatform is covered with anonslip rubbermat toprovide

stability. Plates, dishes and other sample containers may be placed

on its surface. The degree of tilt the platform achieves while rocking

can be adjusted to ±20º. The number of tilts per minute can be

varied from 4 to 160 as required to suit particular applications. A two

hourtimer with holdposition controls operation.

The Model 35/35D Benchtop Rocker is constructed of heavy gauge

steel. This provides the rocker with a stable base for vibration free

operation. Themaximumloadtherockingplatformcancarry is4.6kg.

The Model 35/35D Benchtop Rocker is available with either a single

or double platform. In the double platform version, the second plat-

form attachesto thefirst platformbymeans ofmetal rods. Theclear-

ance between the two platforms is 82mm.

Readthisinstruction manual thoroughlybeforeattempting to operate

theModel 35/35DBenchtop Rocker. Allpersons operating thispiece

of equipment should review the Safety Precautions section of this

manual.

Warranty

Labnet International guarantees that the Model 35/35D Benchtop

Rocker you have received meets its published specification. The

Model35/35D Benchtop Rockeris guaranteedtobe freeofdefects in

materials and workmanship for a period of one year from the date of

purchase. This guarantee is valid only if the unit has been used in

accordance with the instructions in this manual and for its intended

purpose. LabnetInternationalshallnotberesponsiblefor consequen-

tial damages or damages resulting from the abuse or misuse of this

equipment. LabnetInternational’sliability shall belimitedto therepair

or replacement of the unit or refund of the purchase price, at Labnet

International’sdiscretion.

In the event that service is required, Labnet International’s Service

Department must first be contacted to receive a return authorization

number.

LabnetInternational reservesthe rightto alterthe specification ofthe

Model 35/35D Benchtop Rocker without notice. This allows the in-

corporationof improvements asthey are developed.

Please fill in the following information. This information will be re-

quired in the event that service becomes necessary.

Serial Number _________________________________

Date of Purchase _______________________________

Specifications

Shakingspeed 4 to 160 tilts per minute

Timer 1 minute to 2 hours or “hold”

Operating Environment 4º to 65ºC

PlatformDimensions 360 x 280mm

RockingMotion Adjustable, ±20ºtilt

MaximumLoad 4.6kg

Clearancebetween platforms 82mm

(Doubleplatform unitonly)

VoltageRequirements 120V/60Hz

Power/Current 60W/0.5amps

Unpacking and Installation

Upon receipt of the Model 35/35D Benchtop Rocker, examine the

exteriorcartonfordamages. In theeventofshipping damage, aclaim

must be filed with the transportation carrier within 10 days.

Carefully unpack the unit and check for completeness. Included in

the carton should be the following:

Rockerwith platform(s)

Securing hardware for second platform (35D only)

InstructionManual

WarrantyCard

Ifany ofthese itemsare missing,contact LabnetInternational’s Cus-

tomerService Department immediately.

Savethe originalpackaging until theunit hasbeen shownto be oper-

atingproperly.

Verify that the unit is rated for the proper voltage by checking the

panel on the back. Check that the proper power cord has been re-

ceived. The serial number is also found on the back panel. Make

note of the serial number in the space provided in theWarranty sec-

tion of this manual.

The Model 35/35D Benchtop Rocker should be located on a level,

stablesurface near agroundedelectrical outlet. Allowsufficientclear-

ance on all sides of the unit, at least 3 inches, for proper ventilation.

Ensure that the platform will not touch other objects while in opera-

tion.

If the unit is supplied with an optional upper platform, it should be

installedat thistime. Remove thehardware from the bottom threads

of the platform standoffs. Note the order of the hardware on the

threads. Place one large flat washer over each of the four holes on

the bottom platform. Insert the threads of each of the four standoffs

throughthe holes in the platformand thewashers. Replace allhard-

ware in the order in which it was removed. Do not overtighten the

wingnuts.

Plug the power cord into a grounded wall socket. The Model 35/

35D Benchtop Rocker is now ready for use.

Operating the Model 35/35D Benchtop Rocker

The Model 35/35D Rocker may be operated in either timed or con-

tinuousmode.

To operate in timed mode, turn the speed dial to the desired setting.

Turn the timer knob clockwise to thedesired time. Timecan be set in

1 minute increments between 1 and 120 minutes. Turning the timer

activates operation of the rocker. Operation will continue until time

hasexpired orthe timer isturned back(counterclockwise) tothe zero

position.

Tooperateincontinuous mode,turnspeeddial tothedesired setting.

Turn the timer knob left (counterclockwise) to the hold position. This

will begin operation of the rocker. Operation will continue until the

timer knob is turned back (clockwise) to toe zero position.

Note: The timer may be stiff and offer some resistance when turned.

This is normal.

Operation of the rocker may also be stopped at any time by turning

the speed dial to the zero position. When the speed dial is turned to

the zero position, the timer will continue to count down.

Note: To avoid splashing of samples, the rocker should be started

with the speed dial at the lowest position and gradually turned up to

thedesired speed.

Adjusting PlatformTilt

The tilt of the platform can be adjusted to ±20º. The tilt is factory

preset at ±10º. Instructions for adjusting the tilt are as follows.

1. Unplug the unit from the wall outlet.

2. Locate the access panel on the back of the unit and remove

the 2 screws holding the panel in place.

3. Position a 7/16 inch wrench or adjustable wrench on the nut

holdingthebottomconnecting rod tothedisk. Usethewrench

toturn the diskuntil thelockinghole inthemotor shaftcollaris

aligned with the access hole on the rear panel. The locking

hole is located 180º from the collar’s set screw.

4. Insert the locking rod through the access hole and into the

locking hole of the motor shaft collar. This will prevent the

diskfrom turningwhile loosening ortightening thenut holding

the bottom connecting rod in place.

5. Loosen the 7/16 inch nut just enough to allow movement of

the nut and connecting rod in the slot. Move the nut outward

fromthecenter ofthedisk toincreasetilt action. Movethenut

inward toward the center of the disk to decrease tilt action.

6. When correct action is obtained, retighten the nut.

7. Remove the locking rod.

8. Replace access cover

SafetyPrecautions

The following precautions should be taken when operating or work-

ing near the Model 35/35D Benchtop Rocker:

Never operate the rocker without a platform securely

attached.

Alwayswear shatterproofeye protection.

Always make certain that the platform and any hardware are

secure before operating the shaker.

Load the rocker symmetrically. Unbalanced loads should

beavoided.

Solvents and flammables should not be used on or near the

shaker.

Service and repair must only be performed by qualified

professionals.

Hazardous samples should be shaken only in appropriate

containmentvessels.

Care and Maintenance

Aftereach use,the Model35/35D BenchtopRocker shouldbe wiped

down with a soft, damp cloth. Do not immerse the rocker in water or

pour liquids over the unit as electrical shock may occur.

The rod bearing should be lubricated every 3 to 6 months with a few

dropsof oil(Three-in-One, Handy Oil or similar). The motor and plat-

formbearings arepermanently lubricated andneed nomaintenance.

Ifthe rocker us used attemperatures above37ºC, therod ends must

be oiled every month to maintain proper operating condition. Never

usetheModel 35/35DBenchtopRocker inenvironmentsabove 65ºC

Where to Call

If you have a question about the Model 35/35D Benchtop Rocker,

contact Labnet International’s Customer Service Department at 732

417-0700, Monday through Friday, 8:30am to 5:30pm, EST.

For service inquiries, contact Labnet International’s Service Depart-

ment at 732 417-0700, Monday through Friday, 9:00am to 5:00pm,

EST. Before returning a unit for service, a Return Authorization (RA)

number must first be obtained from the service department. Equip-

ment sent in without prior authorization will be returned at the

customer’sexpense.

If the unit must be returned to Labnet International for servicing, it

should be sent in the original packaging. If this is not possible, be

sure that the unit is sufficiently packed. Any damage resulting from

improper packaging is the responsibility of the customer. A written

explanation should accompany the unit along with the return autho-

rization number.

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