2-M3
B7800HSD (SUPPLEMENT), WSM
ELECTRICAL SYSTEM
2. OPERATORS PRESENCE CONTROL (OPC)
W1012673
B7800 is configured with an Operators Presence Control (OPC) to control (1) Engine starting, (2) Engine
automatically stopping, (3) Engine revolution automatically recovering, and (4) Rear-PTO shift lever changing. This
OPC consists of controller and engine starting/stopping control switches such as clutch pedal switch, mid-PTO shift
lever switch, rear-PTO shift lever switch, speed change pedal switch, seat (occupying) switch, and seat reverse
switch.
Main parts regarding OPC are laid out as shown in the electrical circuit.
The function of controller and each switch are
mentioned as below.
1. Controller
- Controller is configured with a delay timer in the
controller unit to hold fuel cut signal from the
controller unit to fuel cut solenoid for about 1
second.
2. Clutch pedal switch
- This clutch pedal switch detects the clutch pedal
engaging or disengaging positions. When
engaging the clutch pedal, the clutch pedal switch is
pushed in and electrical circuit is closed.
3. Mid-PTO shift lever switch (mid-PTO model only)
- This mid-PTO lever switch detects the mid-PTO
lever engaging or disengaging positions. When
engaging the mid-PTO shift lever, the mid-PTO shift
lever switch is pushed in and electrical circuit is
closed.
(1) Battery
(2) Key Stop Solenoid Relay
(3) Engine Stop Solenoid
(4) Starter
(5) Main Switch
(6) Clutch Pedal Switch
(7) Controller
(8) Seat Switch
(9) Mid-PTO Shift Lever Switch
(Mid-PTO Model)
(10) PTO Shift Lever Switch
(11) Speed Control Pedal Switch
(12) Seat Reverse Switch
To Next Page
Loading...
Need help?
General
