Dss (Down Shift Switch) - Hitachi ZW 550-6 Operator's Manual

DSS (Down Shift Switch)

Press DSS (1) to down shift the gear.
Set the shift gear to 2nd speed for normal operation.
By pressing DSS (1) while digging with the machine in
forward, the gear automatically shifts to 1st speed, which
increases drive force and digging force.
Once forward/reverse switch (2) is set to reverse (R), the
gear returns to 2nd speed.
Press DSS (1) when ECO indicator (3) turns OFF while
operating on a slope or during snow removal. In this case,
the gear temporarily shifts down to 1st speed by pressing
DSS (2), but it automatically returns to 2nd speed when
traveling load is reduced.
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NOTE: When in auto shift mode or manual shift mode,
each time DSS (1) is pressed, the gear down shifts to 1st
speed. When in auto shift mode, press and hold DSS (1)
to down shift from 4th speed , 3rd speed, 2nd speed, and
then to 1st speed.
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NOTE: When DSS (2) is pressed during lockup shift range,
the speed range is downshifted by one. (Pressing DSS
during 4th L-UP moves down to 3rd shift range.)
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NOTE: This switch (2) works only in Manual traveling
mode; has no function in AUTO1 or AUTO2 mode.
OPERATOR'S STATION
3
MNHG-01-100EN
1-112
1
Fingertip Control Type
1
Multi-Function Joystick Type
2
115Z7-1-107-2
MNEC-01-043
95Z7-1-85-1