Kubota BX1880-AU, Operator'S Manual

Page: 53 / 110

(1) Coolant temperature gauge
NOTE :
• In case the coolant-temperature-gauge system
becomes short, the needle will return to the
most bottom position. If the needle of the
coolant-temperature-gauge returns to the most
bottom position, consult your KUBOTA Dealer.
2.4 Dealing with the overheated coolant
temperature
When the coolant temperature is nearly or more than
the boiling point, this temperature is what is called
“overheating” .
Overheat indication
1. When the coolant temperature stays over 123 ℃
(253.4 ℉ ), the coolant-temperature-indicator-lamp
in the Easy Checker
™
comes on.
Reference
Red zone range
123
℃
to 130
℃
(254 ℉ to 266 ℉ )
2. When the coolant temperature stays below 118
℃
(244.4
℉
), the coolant-temperature-indicator-lamp
turns off.
If the coolant-temperature-indicator-lamp in the
Easy Checker
™
comes on, take the following
actions.
1. Stop operating the tractor in a safe place and keep
the engine unloaded idling. Do not stop the engine
suddenly.
a. Place the PTO-clutch-lever in the off
(disengage) position.
b. Move the tractor to the level surface, and apply
the parking brake.
c. Place the hand-accelerator-lever in the engine
idle position, and operate the engine for about 5
minutes.
2. Keep yourself well away from the tractor for the
following minutes or while the steam blows out.
Keeping yourself away from the tractor further 10 minutes
3. Check the cooling system after it has sufficient time
to cool down.
Check that there is no danger such as burn. Get rid
of the causes of overheating according to
ENGINE
TROUBLESHOOTING on page 100 .
Check the following items:
• Shortage or leakage of the coolant
• Foreign matter on the radiator net
dust and dirt between the radiator fins
• Looseness of fan belt
• Blockage in the radiator tube
(See 2. Checking the radiator hoses and the
hose clamps on page 95 )
2.5 Hour meter
The hour meter indicates in 5 digits the hours the
tractor has been used as the following table.
Tractor operated hours
The step that the display
operates
From 0.0 Hr to 9999.9 Hr every 0.1 Hr step
10000 Hr to 99999 Hr every 1 Hr step
After 99999 Hr 99999 Hr stays on
(1) Hour meter
2.6 Tachometer
When the key switch is the on position and the
engine is on, the tachometer indicates the engine
revolution per minute.
NOTE :
• When the key is turned on, the tachometer
should indicate as follows for just a moment.
Indication of the tachometer 4000 rpm
CHECK DURING DRIVING OPERATING THE TRACTOR
BX1880, BX2380, BX2680
49