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Komatsu WA380-6 Service Manual

Komatsu WA380-6
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ATTACHMENTS, OPTIONS
HANDLING MULTI FUNCTION MONO-LEVER
KICKDOWN SWITCH
When the gearshift lever is in 2nd, if switch (2) is pressed, the
transmission will shift down to 1st.
Use this when you need to increase the drawbar pull in digging
operations.
If the transmission is in auto-shift, and the travel speed is below
10.5 km/h (6.5 MPH) in any speed range when traveling in either
forward or in reverse, the kick-down switch is actuated and it is
possible to shift down to 1st.
This makes it easy to carry out load and carry operations.
Even if the travel speed is more than 10.5 km/h (6.5MPH), this switch can be used to shift the transmission down.
Each time the kick-down switch is pressed, the speed range will shift down one range at a time (F4 -> F3 -> F2).
When the torque converter is in the lock-up condition (if equipped), the lock-up is canceled.
REMARK
When canceling the kick-down, operate the directional lever or the FNR switch. In manual shift, it can be
canceled by operating the speed lever to any position other than 2nd. It is also possible to cancel the kick-down
by turning the starting switch OFF.
In auto-shift, if the travel speed becomes high after the kick-down, the gear will be shifted up by the auto-shift.
In auto-shift, when traveling at more than 18 km/h (11.2 MPH) in 3rd or at more than 28 km/h (17.4 MPH) in 4th,
even if the kick-down switch is pressed, the transmission will not shift down. This is to prevent overrun of the
engine.
HOLD SWITCH
To fix the speed range when traveling in automatic transmission,
press this switch (3). The transmission will be fixed in the speed
range displayed on shift indicator (A) on the machine monitor and
shift hold pilot lamp (B) will light up.
When the switch is pressed again, the display goes out.
Use this function to select the desired speed range when traveling
up or down hills or when carrying out operations such as grading.
REMARK
When the torque converter is in the lock-up condition (if
equipped), the transmission cannot be fixed.
When canceling the shift hold, operate the directional lever or
the FNR switch. It can also be canceled by operating the speed
lever and by switching the shift/manual selector switch to
MANUAL. Is also possible to cancel the shift hold by turning the
starting switch OFF.
6 - 22

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Komatsu WA380-6 Specifications

General IconGeneral
BrandKomatsu
ModelWA380-6
CategoryCompact Loader
LanguageEnglish

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