Engine Speed Control - Hitachi ZAXIS 135US-5B Operator's Manual

Engine Speed Control

Increase and decrease the engine speed using engine control
dial (1) located on the switch panel, as illustrated.
 Turn engine control dial (1) clockwise to increase the engine
speed. Turn engine control dial (1) counterclockwise to
decrease the engine speed.
 Note that the auto-idle function will be deactivated if
engine control dial (1) is operated while the engine is
running at the auto-idle setting.
 Before stopping the engine, always turn engine control dial
(1) counterclockwise to the stop (to the slow idle setting).
Run the engine five minutes to cool the engine. Then, turn
the key switch to OFF position to stop the engine.
f
NOTE: Because of the engine speed control function, the
engine speed will be kept to slow idle speed for about 3 to
6 seconds right after the engine starts. When the coolant
temperature or hydraulic oil temperature is low, the time
will be longer. The engine speed will be kept to slow idle
speed even if engine control dial (1) is not set in the slow idle
position.
f
NOTE: The warm-up system automatically operates
after keeping slow idle speed, and the engine speed will
temporarily increase even if engine control dial (1) is set in the
slow idle position.
d
WARNING: Do not attempt to operate the machine for
six seconds after starting the engine. The engine speed
may change after the slow idle period and operation
speed of work device may suddenly increase, which
may cause serious accident.
OPERATING THE MACHINE
5-6
Slow Idle
1
MDCD-01-026
Fast Idle
1
M1P1-01-068