Broce FMJ470 - Hydraulic System Components

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BROCE FMJ470
HYDRAULIC SYSTEM DETAILS
SYSTEM DESCRIPTION:
Pump:
The hydraulic system operates on a 2.48 cubic inch gear pump that is mounted on
the rear of the hydrostatic pump. This pump produces ow for the steering, broom
functions, and broom rotation.
Steering Unit:
The steering unit is an open center type motor that has power beyond and dead
steering capabilities. The power beyond capability is used to power the brush
functions.
Steering Cylinder: Two 2” X 6” double acting cylinders
Brush Function Valve: The brush function valve is a ve-spool mono block design
that receives its oil supply from the steering unit power beyond port.
Lift Cylinder: 3” X 8” double acting cylinder
Shift Cylinder: 2” X 16” double acting cylinder
Brush Rotation Valve: The brush control valve is a single spool.
Core Motors: SAE styles mount with a splined shaft used on the internal drive
cores.
Return Filters: The return lter is a 10-micron, spin-on type, with a 25 psi bypass
attached to the return hydraulic hose.
Suction Filter: There are two suction lters. The main pump suction lter is a 7
micron spin-on lter. The auxiliary pump suction lter is a 100 mesh with a 5psi
bypass.