Tadano GR-300EX-3, Service Manual

Page: 31 / 157

18
WY02-1792E
Y-2 Y-2
Adjusting Pressure (Hydraulic Pressure)
2.5 Slewing
[NOTICE]
Oil temperature: 50±5°C (113 - 131°F) (Hydraulic oil: TADANO Hydraulic Oil LL)
Confirm set pressure on the crane information screen in the maintenance mode of AML.
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
(G) 20.6±0.5
210±5 2990±70
1900
(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 1900 min
-1
and check the pressure.
*2
(H)
22.6 230 3270 -
Already the pressure is set by the valve
manufacturer.
(Adjustment is not necessary.)
*1 : Relief valve
*2 : Overload relief valve