Toro ProLine H800 Service Manual page 98

Tilting the Hopper
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Hydraulic System: Hydraulic Flow Diagrams
When the hopper tilt lever is moved to the TILT position, hydraulic fluid flow is
directed to the hopper tilt cylinders. The hydraulic pressure extends the cylinders
and tilts the hopper. When the tilt cylinders reach the end of their stroke, the
relief valve in the steering control valve opens and directs the hydraulic flow to
the pump until the tilt lever is returned to the neutral position.
The deck cleaning blade is controlled by the deck cleaning cylinder. The purpose
of the blade is to swipe across the opening of the grass chute when the hopper is
tilted. This aids in keeping the chute clear of grass cuttings and other debris.
When the hopper tilt lever is moved to the TILT position, hydraulic fluid flow is
also directed to the cutting deck cleaning cylinder. Pressure in the rod side of
the cylinder causes the piston to retract the deck cleaning cylinder and operate
the blade assembly simultaneously.
Figure 42
Page 5–30 ProLine H800
19241SL Rev A