Ventrac 4500K Operator's Manual page 67

PTO (L)
The light indicates that power is being sent to the
PTO clutch relay. For the PTO output to function,
the operator must be on the seat.
If the PTO remote kit is installed and an attachment
such as the generator is connected, the TCM will
automatically enable the Remote PTO function. In
this mode the PTO switch on the generator replaces
the seat switch criteria for the PTO to function. The
parking brake must be engaged for the Remote
PTO to function.
The following engine commands are engine specifi c.
Engine +12V Run (M)
This output is specifi c for the engines on the 4500P,
4500Z, and 4500Y. This light indicates that power is
being sent to the engine control module in order for
the engine to run. For this light to operate, either the
operator must be sitting on the seat, or the parking
brake must be engaged and the forward/reverse con-
trol (SDLA) must be in the neutral position.
If there is an electrical issue, perform the Operator Safety Interlock Systems test as the fi rst
step in troubleshooting the system.
Perform the following safety interlock tests daily. Before testing, park the power unit on a level surface, place
wheel chocks in front and back of wheels, and place the high/low range shift lever in the neutral position. After
testing is complete, place the high/low shift lever in either high or low range, set the parking brake, and remove
the wheel chocks.
Turn the ignition key to the run position. Tests 1 - 4 test the engine start function, tests 5 - 9 test the engine run
function, and tests 10 - 13 test the PTO function.
Test
Number
1
Engine
2
Start
3
4
Test
Number
5
Engine
6
Run
7
8
9
Test
Number
10
11
PTO
12
13
TROUBLESHOOTING
Parking Brake Forward/Reverse Control
Engaged (SDLA) in Neutral
No
Yes
Yes
Yes
Parking Brake Forward/Reverse Control
Engaged (SDLA) in Neutral
Yes
Yes
Yes
Yes
No
PTO Switch
Off
Pull to 'On' Position
Pull to 'On' Position
On
Troubleshooting - 67
Engine Stop Ground (N)
This output is specifi c for the engine on the 4500K.
In order for this engine to run, the engine stop ground
must be open. To shut off this engine, the engine stop
ground must be closed.
This light indicates the engine stop ground is open,
allowing the engine to run.
Diesel Pre-Heat (O)
This output is specifi c for the diesel engine on the
4500Y. It controls the signal that activates and deacti-
vates the glow plugs.
Operator Present in Seat
Yes
No
Yes
Yes
Operator Present in Seat
Yes
Yes
No
No
Yes
Operator Present in Seat
Raise Operator Body Weight
Engine Starts
Yes
Yes
No
Yes
Engine Runs
Yes
No
No
Yes
No
PTO Clutch
Yes
No
Yes
PTO Disengages
from Seat
(1/2 second delay)
No
No
Yes
Yes
Yes
Yes
No
No
No
Off
No
Yes