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Komatsu WA380-6 Service Manual

Komatsu WA380-6
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ATTACHMENTS, OPTIONS
HANDLING TORQUE CONVERTER LOCK-UP
METHOD OF OPERATION
1.
Press the top (a) of the torque converter lock-up switch to turn
it ON.
The pilot lamp inside the switch lights up.
2.
When the actual speed range is 3rd or 4th in either FORWARD
or REVERSE, the torque converter lock-up function is
actuated according to the travel speed and sets to direct drive.
REMARK
When the gearshift lever is at 4th in auto-shift mode, the lock-up is
not actuated if the actual speed range is 3rd. The lock-up is
actuated only when the actual speed range is 4th.
When the lock-up is actually actuated, the lock-up pilot lamp on the
machine monitor lights up.
3.
To cancel the lock-up, press the bottom (b) of the torque
converter lock-up switch to turn it OFF.
The lock-up is canceled.
The travel speed for actuation and cancellation of the lock-up is as shown below.
Lock-up
Speed range
FORWARD travel speed
(km/h (MPH))
REVERSE travel speed
(km/h (MPH))
Actuated Canceled Actuated Canceled
3rd
13 to 15
(8.1 to 9.3)
{12 to 14}
{(7.5 to 8.7)}
13 to 14
(8.1 to 8.7)
{12 to 13}
{(7.5 to 8.1)}
14 to 16
(8.7 to 9.9)
{13 to 15}
{(8.1 to 9.3)}
14 to 15
(8.7 to 9.3)
{13 to 14}
{(8.1 to 8.7)}
4th
22 to 25
(13.7 to 15.5)
{20 to 23}
{(12.4 to 14.3)}
21
(13.0)
{19}
{(11.8)}
23 to 27
(14.3 to 16.8)
{21 to 25}
{(13.0 to 15.5)}
23
(14.3)
{21}
{(13.0)}
6 - 5

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Komatsu WA380-6 Specifications

General IconGeneral
BrandKomatsu
ModelWA380-6
CategoryCompact Loader
LanguageEnglish

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