Hitachi ZW 550-6 Operator's Manual page 230

4. Manual Shift (M)
After setting forward/reverse switch (11) to either
forward (F) or reverse (R) position, press the shift
switch (12) to the desired position. The transmission
gear position can be shifted in 4 ranges in the
forward and 3 ranges in the reverse mode. Select
the most appropriate transmission range position
according to the operating conditions.
Manual Mode:
Manual shift mode.
The transmission gear is shifted by pressing
shift up/down switches (12).
5. Auto Shift
Set forward/reverse switch (11) to (F) or (R). Select
the most appropriate transmission range position
according to the operating conditions. Select the
most appropriate travel pattern by operating travel
mode selector (13).
AUTO 1 Mode:
This mode sets 1st range as the minimum
speed gear stage.
Start traveling with 2nd range. When driving
load increases, it automatically shifts to 1st
range.
This mode is suited for heavy digging work or
ascending on a slope.
AUTO 2 Mode:
This mode sets 2nd range as the minimum
speed gear stage.
This mode is suited for removing snow or
lighter applications.
f
NOTE:
 Avoid operating this switch while machine is moving.
 Do not use this switch on a slope. Use of the Quick
Power Switch is recommended to have more
acceleration while ascending on a slope.
(Refer to page 1-111 for Quick Power Switch.)
7. Release brake pedals (7) and step on accelerator
pedal (10) to start traveling.
MOVING THE MACHINE
4-4
F
N
R
Shift up
12
11
Shift down
13
AUTO 1 Mode
Manual Mode
AUTO 2 Mode
115Z7B-4-4-1
MNEC-01-024