19OPERATION OF THE ENGINE
BCheckpoints after Starting the Engine
After starting the engine, but before starting operation,
check the following points:
1. Put the throttle potentiometer in the middle between
" " and " " symbols and let the engine idle for
approx. five minutes. This allows the engine lubricant
to warm up and penetrate every part of the engine.
A This idling is usually called "Warm-up".
2. Once the engine has warmed up, check:
A the warning lamp "Engine oil pressure" has gone
out.
A the warning lamp "Battery charge" goes out when
engine speed is increased.
A the color of the exhaust is normal and no abnormal
noises or vibrations are heard or felt.
A no fluid is leaking from pipes or hoses.
C Should any following conditions occur, stop the
engine immediately.
A The engine rpm's increases or decreases suddenly.
A Sudden abnormal noises are heard.
A Exhaust is black.
A Warning lamp for engine oil lights up during operation.
A In these cases, the excavator must be checked and
serviced by your local the KUBOTA dealer.
(2) Pump's nozzle
(3) Switch (black button)
(4) Switch (red button)
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