Checking Opc System - Kubota Z723 Operator's Manual

44 PERIODIC SERVICE
5. The engine must not crank.
Test 3 (OPERATOR ON THE SEAT)
1. Securely set the parking brake.
2. Set the PTO switch to "DISENGAGE" (OFF) position.
3. Grasp the motion control levers and move them
inward from the "NEUTRAL LOCK" position to the
"NEUTRAL" position.
4. Turn the key switch to "START" position.
5. The engine must not crank.
Test 4 (OPERATOR ON THE SEAT)
1. Securely set the parking brake.
2. Set the PTO switch to "ENGAGE" (ON) position.
3. Set the motion control levers to the "NEUTRAL LOCK"
position.
4. Turn the key switch to "START" position.
5. The engine must not crank.
A If the engine cranks in Test 1 through 4, consult your
local KUBOTA Dealer to have the unit checked before
operation.
Test 5 (OPERATOR ON THE SEAT)
1. Start the engine.
2. Keep the parking brake securely set.
3. Set the PTO switch to "DISENGAGE" (OFF) position.
4. Grasp the motion control levers and move them
inward from "NEUTRAL
"NEUTRAL" position.
5. The engine must shut off.
A If the engine remains running in Test 5, consult your
local KUBOTA Dealer to have the unit checked before
operation.
LOCK" position to
BChecking OPC System
The OPC (Operator Presence Control) system in your
machine are designed to protect you while operating.
Please check these OPC system periodically. It is
recommended to check the OPC system before daily
operation.
To avoid serious injury:
A Do not allow anyone near the machine while
testing.
A If the machine does not pass one of the
following tests, do not operate the machine.
See your local KUBOTA Dealer.
(1) Parking brake pedal
(2) Motion control lever
(3) Key switch
(4) PTO switch
(5) Seat switch
Test 1 (OPERATOR ON THE SEAT)
1. Start the engine.
2. Do not set the parking brake.
3. Set the PTO switch to "DISENGAGE" (OFF) position.
4. Stand up. (DO NOT GET OFF THE MACHINE.)
5. The engine must shut off.
Test 2 (OPERATOR ON THE SEAT)
1. Start the engine.
2. Do not set the parking brake.
3. Set the PTO switch to "ENGAGE" (ON) position.
4. Stand up. (DO NOT GET OFF THE MACHINE.)
5. The engine must shut off after 1 second.
A If the engine remains running in Test 1 or 2, consult
your local KUBOTA Dealer to have the unit checked
before operation.