1110
BULLSEYE 3™
BULLSEYE 3™
Installation
Positionthebladeorbuckettothedesiredelevation(benchmark).If
usingonandexcavatororbackhoe,thedipperstickshouldbevertical
and the bucket “curled” or extended to a position that can be easily
duplicated each time a reading is taken. To check that the plane of
laserlightisintersectingthepipewherethereceiverwillbemounted,
movetheBULLSEYE3upanddownalongthelengthofthemounting
pipe.IdeallyyoushouldbeabletomovetheBULLSEYE3farenough
ineitherdirectiontoutilizetheentirereceptionrange-receivingallthe
gradedisplaysandthelostbeamindicators.Ifthefullreceptionrange
is not being used, raise or lower the rotating laser until the full
receptionrange isutilized.
Turn both the top and bottom knobs counterclockwise until the
mountingclampsinbackopenenoughtofitaroundthemountingpipe
andplacetheBULLSEYE3onthepipe.Movethereceiverupordown
untilthe“On-Grade”symbolisdisplayedbytheLED’s.Tightenboth
clamps firmly by hand. NOTE: Do not mount on painted poles if
possible. Paint may accumulate on the clamps and deteriorate the
clamps gripping capacity.
Whenmountedtoabulldozer,motorgrader,scraperorothergrading
machine,theoperatorcankeepthebladeattheproperelevationby
manuallycontrollingthebladesothattheBULLSEYE3stayswithin
the“on-grade”zone.TheLEDdisplayindicatesinwhichdirectionthe
bladeneedstobemovedtoreturnto“on-grade”.
When mounted to a excavator or backhoe, the BULLSEYE 3 is a
gradechecker and allowsthedepth of cutto be monitoredfromthe
cabofthemachinebytheoperator.Thisisdonebyputtingthedipper
stickin the vertical position andthebucketinthesetuppositionand
touching the bottom of the ditch.
To remove the BULLSEYE 3 from the machine, loosen the two
clamps. Store and transport the receiver in its carrying case.
Magnetic Mount Installation - Determine
wherethemountwillbelocatedonthemachine
sothatwhentheBULLSEYE3isattached,itwill
intersectthelaserbeam.Ensuretheareaofthe
machineiscleanandfreeofoilandgrease.Angle
themountsothetopedgeofthetopmagnetwill
bepositionedfirst.Holdingthemountbythepipe
tube with both hands, place the top edge of the
magnetonthemachine.Slowlymovethebottom
magnet towards the machine so the mount
remains plumb. Attach and set-up the
BULLSEYE3inthenormalmannerasdescribed
onthepreviouspage.
To remove the magnetic mount, first remove the receiver from the
mounting pole. Use a scrap piece of wood or other long object as a
prybarifnecessary.Inserttheprybarinbetweenthemagneticmount
pole and the machine. Pry the mount sideways to loosen the
magnetichold.Once the magneticholdisloosened, the mountcan
be easily taken off the machine by hand.
When using the magnetic mount with the BULLSEYE 3 and plumb
sensor,mounttheplumbsensoronthebottomextensionofthepole.
This will ensure the BULLSEYE 3 can utilize the full range of the
magneticmountpole.
Installation
