Tadano GR-700N, Service Manual

Page: 34 / 200

Y-2 Y-2
Adjusting Pressure (Hydraulic Pressure)
21
WY02-1720E
2.7 Steering
[NOTICE]

Oil temperature: 50 ± 5°C (113 - 131°F) (hydraulic oil: TADANO Hydraulic Oil LL)

Shift the control lever or switch while the engine is idling, then increase engine speed.
Item
(Mark)
Set pressure
Engine
speed
(min
-1
)
Check procedure
MPa kgf/cm
2
psi
Steering
(I)
16.0±1.0 163±10 2320±140 2000
1. Connect a pressure gauge to the pressure
check port (I) (G1/4) of front left (between 1st
axle and 2nd axle) steering pipe.
2. Without jacking up, turn the steering to the right
side. Gently move the steering cylinders to the
end of the stroke.
3. In this state, set the engine speed to 2000 min
-1
and check the pressure by the pressure gauge.
(Note): Adjustment is not possible.
If the pressure is out of the set pressure
range, replace the priority valve.
2.8 Torque converter oil pressure
Item
Set pressure
Engine
speed
(min
-1
)
Check procedure
MPa kgf/cm
2
psi
Torque
converter oil
pressure
1.2 or
over
12 or
over
170 or
over
700
(IDL.)
1. Turn the PTO switch OFF with the air
conditioner OFF.
2. Confirm set pressure on the vehicle information
screen in the maintenance mode of AML.
2.0 to 2.4 20 to 24 290 to 350 2000
Steering (I) (in priority valve)
Slewing table (inside)
Slewing center
Priority valve
Lower frame (bottom face)
Pressure check port (I) (G1/4)
Front
Steering cylinder
(front 1st axle left side)