Ryobi RY48ZTR75 Service Manual page 8

BLOCK DIAGRAM AND CONTROL FLOW
48V
Batteries
Main Fuse
Charge
Port/lockout/
battery temp
Fuse
Key
Switch
Blade
Fuel
Speed
Gauge
PTO
Note: A detailed wire harness diagram is
located later in this document
Confidential & Proprietary – Property of Techtronic Power Equipment – DO NOT COPY or DISCLOSE
5V out
Head
USB
Lights
12V
48V to 12V Seat
Relay
(DC to DC) switch
converter
48V
Secondary Primary
Blade
Blade
Control
Control
Motor
Motor
Important:Primary and secondary
have a communication link. If one
blade motor or controller fails,
BOTH will shut down.
Left
RIGHT
Neutral
Neutral
switch switch
Accelerator
Enables
Secondary Primary
Drive Drive
Controller Controller
Motor
Motor
Accelerator
Drive Speed
Switch
Brake
Switch
Beeper