Farr KT5500 - Page 70

KT5500 5-
1
/
2
” Tong & CLInCHER® BaCKup
SECTIon ConTEnTS
3.32
TECHnICaL ManuaL
MaInTEnanCE
20.
Performafullfunctionaltestoftheequipmentincluding,ifapplicable,backupcomponentsandfloatframecomponents.
Reportandcorrectanyhydraulicleaksfromthehydraulicvalvebank,orfromanyhydrauliccylindersthatareused.
21.
Ifusingaframe-mountedtongandbackupsystem,raisethetongoffthebeamsthatitisrestingupon.Removethebeams
andprotectivecloths-inspectthepaintontopofthebackupandthebottomofthetongtoensureithasnotbeendam-
agedbythebeam.
22.
Testsafetydoorfeature(ifequipped).Openthetongdoor(s),andattempttorotatethecageplateatlowspeed(lowgear)
inbothdirections(makeupandbreakout).Ifcageplatebeginsrotating,thesafetydoormechanismisnotfunctional,and
thetongmustberemovedfromserviceuntilthesafetydoormechanismcanberepaired.Ifthesafetydoorisoperating
correctly,cageplaterotationwillnotbeinhibitedoncethedoorisclosedandlatched.
NEVER OPERATE YOUR EQUIPMENT WITH A BYPASSED OR MALFUNCTIONING SAFETY
DOOR
23.
Whilerotatingthecageplate,ensurethatthejawsproperlycam.Ifthejawsdonotcamproperly,thebrakebands
needtobetightened.IncrementallyadjustboththetopandbottombrakebandsEQUALLYuntilpropercamactionis
achieved.
24.
Whenallofthepreviousstepsarecompleted,youmayreturnyourre-commissionedequipmenttoservice.