Kubota ZD221, Operator'S Manual

Page: 31 / 95

OPERATING THE ENGINE 14
ENGLISH
CHECK DURING OPERATING
While operating, make the following checks to see that all
the parts are functioning normally.
B
Immediately Stop the Engine if:
A
The engine suddenly slows down or accelerates.
A
Unusual noises are suddenly heard.
A
Exhaust fumes suddenly become discolored.
B
Easy Checker (TM)
If the warning lamps in the Easy Checker (TM) come on
during operation, stop the engine immediately, and find
the cause as shown below.
Never operate the machine while Easy Checker (TM)
lamp is "ON".
Engine oil pressure
If the oil pressure in the engine goes below the
prescribed level, the warning lamp in the Easy
Checker (TM) will come on.
If this should happen during operation, stop the
engine immediately and check level of engine oil.
Electrical charge
If the dynamo is not charging the battery, the warning
lamp in the Easy Checker (TM) will come on.
If this should happen during operation, check the
electrical charging system or consult your local
KUBOTA Dealer.
B
Fuel Gauge
Be careful not to empty the fuel tank. Otherwise air may
enter the fuel system.
If this should happen, the fuel system should be bled.
(See "SERVICE AS REQUIRED" in "PERIODIC
SERVICE" section.)
A
Do not refuel over "F". Fill the tank only to the bottom
of the filler neck in the fuel tank.
B
Coolant Temperature Gauge
To avoid personal injury:
A
Do not remove radiator cap until coolant
temperature is well below its boiling point.
Then loosen cap slightly to the stop to relieve
any excess pressure before removing cap
completely.
If the indicator reaches red zone, or horn sounds .
1. Place the PTO lever in the "DISENGAGE" (OFF)
position.
2. Move the machine to the level surface, and apply the
parking brake.
3. Place the throttle lever in the engine idle position, and
let the engine run for a few minutes.
4. Check the Cooling System, after it has sufficient time
to cool down.
Check the following items:
1. Shortage or leakage of the coolant.
2. Foreign matter on the radiator net or dust and dirt
between the radiator fins.
3. Looseness of fan belt.
4. Blockage in the radiator tube.
(See "PERIODIC SERVICE" section.)
(1) Easy checker (TM)
(1) Fuel gauge (E) "EMPTY"
(F) "FULL"