Tadano GR-1600XL, Service Manual

Page: 35 / 269

21
WY02-2020E
Y-2 Y-2
Adjusting Pressure (Hydraulic Pressure)
2.5 Slewing
[NOTICE]
Oil temperature: 50 ± 5 °C (122 ± 9°F) (Hydraulic oil: TADANO Hydraulic Oil LL)
When not described to use the pressure check port, check the main pump pressure display on the AML
display panel.
Shift the control lever or switch while the engine is idling, then increase engine speed.
Cancel registration of slewing range limit function in AML.
Item
(Mark)
Set pressure
Engine
speed
(min
-1
)
Check procedure
MPa kgf/cm
2
psi
Slewing
*1
(J)
23.5 ± 0.5 240 ± 5 3405 ± 70
2150
(MAX.)
1. Turn the PTO switch ON.
2. Apply the slewing brake.
3. Move the slewing lever at its full stroke
on the right and left side.
4. In this state, set the engine speed to
2150 min
-1
and check the pressure.
*2
(K)
26.0 265 3770 ―
Already the pressure is set by the valve
manufacturer.
(Adjustment is not necessary.)
*1 : Relief valve
*2 : Overload relief valve