Komatsu Galeo PC138US-8 Shop Manual page 265

10 Structure, function and maintenance standard
Function
A function that selects working mode with the
q
working mode selector switch in the machine
monitor. 5 modes (P, E, L, ATT, B) are avail-
able, allowing the operator to select appropri-
ate engine torque (T) and pump absorption
torque depending on the work. In the default
setting of the service mode, only 3 modes (P,
E, L) are available in which "Without" is
selected for the attachment.
According to the pump absorption torque set at
q
each mode, based on the engine governor set
speed with the fuel control dial and the actual
engine speed, the controller controls so that
the pump absorbs all torques at each engine
output point.
When the engine speed is lowered, the con-
q
troller prevents the engine from stopping by
throttling the pump absorption torque.
PC138US, USLC-8
SEN02553-01
7