Toro 4100-D User Manual
Page 9 - 9
Run (Mow) Circuits
Power Current
Control Current
Indication Current
Control Current
Indication Current
Groundsmaster 4100--D
CONTINUES TO SHEET 2
CONTINUES TO SHEET 2
CONTINUES TO SHEET 2
CONTINUES TO SHEET 2
(OCCUPIED)
RIGHT DECK
FRONT DECK
PTO SOLENOID
LEFT DECK
PTO SOLENOID
PTO SOLENOID
(OPTIONAL CRUISE
CONTROL KIT)
(OPTIONAL CRUISE
CONTROL KIT)
(OPTIONAL CRUISE
CONTROL KIT)
(OPTIONAL CRUISE
CONTROL KIT)
(OPTIONAL CRUISE
CONTROL KIT)
(NOT IN NEUTRAL)
(IGNITION SWITCH IN RUN)
(DISENGAGED)
(IN 4WD)
(DECK LOWERED)
(DECK LOWERED)
SWITCH IS IN THE ON POSITION.
WHEN THE PTO SWITCH IS MOVED TO THE ENGAGE POSITION, PTO SWITCH
TERMINALS 4 & 5 ARE MOMENTARILY CONNECTED ALLOWING A CURRENT
PATH TO ENERGIZE THE PTO RELAY, THE DECK POSITION SWITCHES AND
THE PTO SOLENOIDS. DIODES D1--B, D1--C AND D1--D WILL THEN CREATE
A LATCHING CIRCUIT TO KEEP THE PTO RELAY ENERGIZED WHEN THE PTO
TERMINALS 4 & 5 ARE MOMENTARILY CONNECTED ALLOWING A CURRENT
PATH TO ENERGIZE THE PTO RELAY, THE DECK POSITION SWITCHES AND
THE PTO SOLENOIDS. DIODES D1--B, D1--C AND D1--D WILL THEN CREATE
A LATCHING CIRCUIT TO KEEP THE PTO RELAY ENERGIZED WHEN THE PTO
2WD SOLENOID
THE DECK, THE DOWN LATCHING RELAY IS DE--ENERGIZED PREVENTING
WHEN THE CUTTING DECK LIFT LEVER IS MOVED TO LOWER THE DECK,
THE DECK LOWER SWITCH CLOSES TO ENERGIZE THE DOWN LATCHING
RELAY. THIS PROVIDES A CURRENT PATH FOR THE PTO SWITCH. THE DECK
RAISE SWITCH AND DIODE D3 CREATE A LATCHING CIRCUIT TO KEEP THE
DOWN LATCHING RELAY ENERGIZED. IF THE LIFT LEVER IS MOVED TO RAISE
THE DECK LOWER SWITCH CLOSES TO ENERGIZE THE DOWN LATCHING
RELAY. THIS PROVIDES A CURRENT PATH FOR THE PTO SWITCH. THE DECK
RAISE SWITCH AND DIODE D3 CREATE A LATCHING CIRCUIT TO KEEP THE
DOWN LATCHING RELAY ENERGIZED. IF THE LIFT LEVER IS MOVED TO RAISE
AVAILABLE CURRENT FOR THE PTO CIRCUIT.
PTO OVERTEMP
SHUTDOWN RELAY