LeeBoy 8616B - Components Overview; Engine; Hydraulic System; Hopper

COMPONENTS OVERVIEW
This section describes the major components for the
LeeBoy 8616B Conveyor Paver. Become familiar with
these components before operating the machine.
Engine
The LeeBoy Model 8616B Conveyor Paver is equipped
with a Kubota, 99 hp (74 kW) diesel engine, which is
mounted near the center of the paver and accessible
through several access doors on the engine cover.
A fuel lift pump mounted to the right side of the engine
draws diesel fuel from the fuel tank, which is also
mounted on the right side of the engine compartment.
The air cleaner is mounted at the back of the hood,
which removes ne particles such as dust, sand, chaff
and lint from the air. As air is taken into the air cleaner
assembly, the cyclone action deposits some of the ne
particles in the evacuator that is mounted on the bottom
of the air cleaner housing. The evacuator is held closed
during engine operation by suction. When the engine
is shut off, the weight of the debris opens rubber aps,
allowing the debris to fall out. These aps can also be
squeezed open for cleaning.
The fuel lter removes contaminants from diesel fuel
before it ows into the injection pump where it is injected
into the engine combustion chamber.
The radiator mounted in front of the engine cools the
engine. As coolant ows through the radiator, airow
from the engine-driven fan removes heat.
Refer to the Engine Operator’s Manual accompanying
your paver for additional engine information.
Hydraulic System
The hydraulic system includes four hydraulic pumps
driven by the engine: 1) Left Drive Pump; 2) Right Drive
Pump; 3) Load Sense Pump and; 4) Charge Pump.
Torque Hubs
The paver drive system contains two torque hubs that
provide power to propel the tracks.
Hopper
The hopper wings are hydraulically controlled to raise
and lower the hopper. When fully open, the hopper can
hold a payload up to nine tons.
Material in the hopper is moved toward the back of the
paver to the screed by conveyors. The conveyor is
activated at the operator platform.
Augers
Right and left augers rotate counterclockwise to move
material from the conveyors to the screed. The auger
can be manually controlled at the operator platform or
by a screed operator on the screed.
The auger can also be controlled automatically when
the optional auger/conveyor sonic sensor system is
installed and active. The sensor is mounted on the
screed endgates and used to monoitor and control
the pile height of material at the discharge end of the
augers.
Operator Platform
The operator platform allows easy and convenient
access for controls of most paver functions. The paver
can be operated from the left or right side depending
upon which control panel side is active and best suited
to the working conditions. Controls can also be lowered
to operate as a lowdeck or by standing on the screed
walkboard.
Screed
The screed is the last part of the paver that contacts the
paving material. A screed operator usually operates the
screed while the operator drives the machine. Paving
material is fed from the hopper and conveyor to the
augers to the front of the screed.
The screed has hydraulically-controlled extensions that
move in and out to allow a paving base from 8 - 15 feet.
Screed heating is accomplished by electric heating
elements mounted directly to the wear plates.
The hydraulically-driven vibrators mounted on the main
screed frame can be used to increase paving material
compaction.
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Component Location
LeeBoy 8616B Conveyor Paver 3-3