5-12 LeeBoy 6150 Conveyor Paver
Maintenance
Engine Maintenance
The LeeBoy 6150 Conveyor Paver features the latest in
engine technology. Tier 4 engines comply with emission
requirements established by the U.S. Environmental
Protection Agency (EPA) to reduce diesel particulate
matter (DPM) and other toxins released into the air. As
part of the Clean Air Rules of 2004, the EPA requires
engine manufacturers to integrate controls into systems
that reduce exhaust emissions by 90 percent.
Advanced emission-control devices and low-sulfur fuel
requirements--only Ultra-Low Sulfur Diesel (ULSD) can
be used in these engines--combine with new after-
treatment methods such as Diesel Particulate Filters
(DPF). The DPF burns trapped particulate matter
automatically or via operator-induced regeneration. If
DPF regeneration occurs frequently, (i.e., ve hours
or shorter), change the oil. If this condition continues
after an oil change, contact your authorized dealer for
service. (Refer to your Engine Operator’s Manual for
service information.)
Do not be alarmed if you notice white exhaust from the
exhaust pipe at start-up or when speeding up. White
exhaust or water may come out during cold weather or
after long-hour idling due to condensation.
You can access the engine and other components via
the access panel in the hopper (Figure 5-9). Some
components can also be reached from either side or on
top of the machine.
Figure 5-9. Engine Access Panel
Torque Hub Hydraulic Motor
Gear Adjustments
Torque hub hydraulic motors are
calibrated and set at the factory. These adjustment
should only be performed by an authorized LeeBoy
dealer. Work not performed by an authorized dealer
can damage machine and void the warranty.
The low gear adjustment must be made to the slow
side drive motor only. The low gear adjustment screw
is located on the bottom of the drive motor. Make only
small adjustments at a time.
Your authorized LeeBoy dealer will perform the
adjustment on the high side gear by adjusting the screw
on the top of the hydraulic motor.
Your LeeBoy dealer will perform the following
procedure to adjust either gear:
1. With paver running, push the 2-Speed switch.
2. Adjust screw (on bottom of the hydraulic motor for
low gear; on top for high gear) until you feel back
pressure on the adjustment screw. This indicates
the correct adjustment is close.
3. Finalize adjustment by making a one-quarter (1/4)
turn at a time until the correct adjustment is accom-
plished. Recheck.
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