DR Power Z-Mower 19.5 HP Versa-Pro - Manual (Page 27)

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Hand Pushing the Mower
WHEN PERFORMING ANY ADJUSTMENT OR MAINTENANCE, YOU MUST FIRST SHUT OFF THE ENGINE,
SET THE PARKING BRAKE, WAIT FIVE (5) MINUTES TO ALLOW PARTS TO COOL AND DISCONNECT THE
SPARK PLUG WIRE(S), KEEPING IT AWAY FROM THE SPARK PLUG(S).
ONLY PUSH THE MOWER BY HAND. NEVER TOW THE MACHINE. TOWING CAN CAUSE SEVERE DAMAGE
TO THE HYDROSTATIC TRANSMISSION.
You can push Hydrostatic Transmission machines at a slow speed. To do this, locate the Hydro Dump
Valve (Figure 6) on the rear of each Pump.
Tool Needed:
•
5/8" Wrench
1. Tip the Seat forward to locate the Dump Valve Nuts.
2. Turn the Dump Valve Nut on each Pump counterclockwise for at least two (2) revolutions. This will
allow Fluid to bypass the Pump making it possible to push the machine.
3. After pushing the machine to the desired location, re-engage both Pumps by turning the Dump
Valve Nuts clockwise and tighten them securely.
Figure 6
Hydro Dump Valve