Komatsu Galeo PC138US-8 Shop Manual page 425

30 Testing and adjusting
Adjustment (Pump Absorption Torque)
The operator can adjust various items related to the
machine with the machine monitor.
The pump absorption torque function is used to
finely adjust the absorption torque on the hydraulic
pump.
1. Selecting menu
Select "Adjustment" on the "Service Menu"
screen.
2. Selecting sub menu
After the "Adjustment" screen is displayed,
select "Pump Absorption Torque" with the func-
tion switches or numeral input switches.
a Select this item similarly to an item on the
"Service Menu" screen.
PC138US, USLC-8
3. Selecting absorption torque
After the "Pump Absorption Torque" screen is
displayed, select a set value on the right side
with the function switches.
Set value: For actual torque adjustment
q
value, see table
[F3]: Increase set value
q
[F4]: Decrease set value
q
[F6]: Confirm setting and return to Adjust-
q
ment menu screen
a The 3 digits on the left side do not vary
since they are the code of this function.
a Relationship between set value and
torque adjustment value
Set
Code
value
000
001
002
003
022 004
005
006
007
008
SEN02459-00
Torque adjustment value
+39.2 Nm {+4 kgm}
+29.4 Nm {+3 kgm}
+19.6 Nm {+2 kgm}
+9.8 Nm {+1 kgm}
0 Nm {0 kgm}
–9.8 Nm {–1 kgm}
–19.6 Nm {–2 kgm}
–29.4 Nm {–3 kgm}
–39.2 Nm {–4 kgm}
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