PTO Switch
The PTO switch is located on the control panel (Fig. 11).
The PTO switch is pulled up to engage the PTO (cutting
deck or implement).
D. Replace PTO switch if necessary.
E. If the PTO switch tests correctly and a circuit
problem still exists, check wire harness (see Electri-
cal Schematics and Circuit Drawings in Chapter 8 –
Foldout Diagrams).
The Standard Control Module (SCM) monitors the posi-
tion of the PTO switch (up or down). Using inputs from
the PTO switch and other switches in the interlock sys-
tem, the SCM controls the energizing of the transmis-
sion solenoid valve and thus, the PTO. If the ignition
switch is in the ON position and the PTO switch is en-
gaged, the SCM PTO switch input LED should be illumi-
nated.
F. Connect machine wire harness connector to PTO
switch. Check PTO switch operation.
IMPORTANT: During machine operation, if the PTO
shuts down and the console temperature warning
light is illuminated due to excessive engine coolant
temperature, avoid shutting off the engine. Under
this condition, the operator should push the PTO
knob down, slowly drive to a safe flat area, move the
throttle lever to the SLOW position, move the trac-
tion control levers into the neutral locked position
and engage the parking brake. The engine should
be allowed to idle for several minutes while it cools
to a safe level. Then, the cooling system should be
checked before returning the machine to service.
2
1
Figure 11
2. PTO switch
Testing
1.
Control panel
1.
Before disconnecting the PTO switch for testing, the
switch and its circuit wiring should be tested as a SCM
input (see Standard Control Module in this section).
4
1
2.
wiring are functioning correctly, no further switch testing
If the SCM verifies that the PTO switch and circuit
5
2
is necessary.
3.
cuit wiring are not functioning correctly, test PTO switch
If the SCM determines that the PTO switch and cir-
as follows:
3
6
A. Make sure ignition switch is in the OFF position.
Locate PTO switch for testing.
Figure 12
1.
2.
3.
COM B terminal
NO B terminal
NC B terminal
4.
5.
6.
COM C terminal
NO C terminal
NC C terminal
B. Disconnect machine wire harness electrical con-
nector from the PTO switch.
C. The PTO switch terminals are identified as shown
in Fig. 12. The circuitry of the PTO switch is shown in
ithe chart in the right column. With the use of a multi-
meter (ohms setting), the switch functions may be
tested to determine whether continuity exists be-
tween the various terminals for each switch position.
Verify continuity between switch terminals.
SWITCH
CLOSED
OPEN
CIRCUITS
POSITION
CIRCUITS
OFF (DOWN)
ON (UP)
COM B + NC B COM B + NO B
COM C + NC C COM C + NO C
COM B + NO B COM B + NC B
COM C + NO C COM C + NC C
Groundsmaster 7200/7210
Page 5 – 13
Electrical System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 7200, Toro Groundsmaster 7210 |
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|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
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My mower is a TORO 7210.
Start fuse defection. Why ?