Komatsu PC2000-8 BACKHOE, Operation & Maintenance Manual

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DETAILED CONTROLS AND GAUGES
OPERATION
3-28
PTO Temperature Gauge
This meter (10) shows the PTO oil temperature. The indicator
should be in the green range during operations. If the indicator
starts to enter red range (A) during operations, it shows that the
PTO oil temperature is more than 122°C. If this happens, run
the engine at low idling or stop the engine and wait for the PTO
oil temperature to go down to the correct range.
q
(A) - (B): Red range
q
(A) - (C): Green range
q
(C) - (D): White range
REMARK
When the indicator enters red range (A) - (B), the PTO oil temperature is as follows.
Red range position (A): More than 122°C
Red range position (B): More than 125°C
When the indicator is in red range (A) - (B), the PTO oil temperature monitor (E) lights up red.
When the engine is started, if the indicator is at position (D), the PTO oil temperature is below 0°C and PTO oil
temperature monitor (E) lights up white. In this case, carry out the warming-up operation. For details, see “Engine
Warm Up (3-193)“ and “Hydraulic Equipment Warm Up (3-195)“.
Engine Oil Temperature Gauge
This meter (11) shows the engine oil temperature. The indica-
tor should be in the green range during operations. If the indi-
cator starts to enter red range (A) during operations, it shows
that the engine oil temperature is more than 122°C. If this hap-
pens, run the engine at low idling or stop the engine and wait
for the engine oil temperature to go down to the correct range.
q
(A) - (B): Red range
q
(A) - (C): Green range
q
(C) - (D): White range
REMARK
When the indicator enters red range (A) - (B), the engine oil temperature is as follows.
Red range position (A): More than 122°C
Red range position (B): More than 125°C
When the indicator is in red range (A) - (B), engine oil temperature monitor (E) lights up red.
When the engine is started, if the indicator is at position (D), the PTO oil temperature is below 0°C and PTO oil
temperature monitor (E) lights up white.
In this case, carry out the warming-up operation. For details, see “Engine Warm Up (3-193)“ and “Hydraulic Equip-
ment Warm Up (3-195)“.