CASE CONSTRUCTION 1150M - Track Systems and Undercarriage Wear Control

6-WORKINGOPERATIONS
Tracksystems
Tracksystems
RAIL12DOZ0646FA1
Trackframe
Thetrackframes(1)attachtothemachinechassison
eachside.Allthetrackcomponentsexceptthedrive
sprocketsattachtothetrackframes.
Carrierrollers
Thecarrierrollers(2)mountonthetopofthetrackframes.
Thecarrierrollersupportsthetrackchainbetweenthe
drivesprocketandidler.Thecarrierrollerhelpsmain-
tainalignmentofthechainbetweentheidleranddrive
sprocket.
Trackchain
Thetrackchains(3)includeanumberoflinkassemblies
connectedtogethertoformacompletechain.Shoesbolt
tothetrackchaintoprovidetractionforthemachine.
Drivesprocket
Thedrivesprockets(4)transmitenginepowertothe
tracks.Thedrivesprocketsrotatethetrackchainaround
theundercarriageassembly.Thedrivesprocketsdonot
supporttheweightofthemachine.
Trackrollers
Thetrackrollers(5)mounttothebottomofthetrack
frames.Theserollerscarrytheweightofthemachineon
thetrackchains.
Idler
Theidler(6)carriesthetrackchainaroundthefrontof
thetrackframe.Thisassemblycanslideforwardorback
onthetrackframeagainsttherecoilspringtoabsorbany
shockloads.Theseshockloadscanbefromchangesin
theterrainortemporarymaterialbuilduponthetracks.
6-5