Tadano GR-700N - Telescoping

Y-2
Y-2
Adjusting Pressure (Hydraulic Pressure)
16
WY02-1720E
2.2 Telescoping
[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.
Item
(Mark)
Set pressure
Engine
speed
(min
-1
)
Check procedure
MPa kgf/cm
2
psi
Boom
retracting
(B)
23.0±0.5 235±5 3340±70
1550
(MAX.)
1.Turn the PTO switch ON.
2. Fully retract the boom.
3. Move the telescoping lever at its full stroke on
the retracting side.
4. In this state, set the engine speed to 1550
min
-1
and check the pressure.
Boom
extending
(C)
20.1±0.5 205±5 2920±70
1. Turn the PTO switch ON.
2. Fully extend the 2nd and 3rd boom sections.
3. Move the telescoping lever at its full stroke on
the extending side. At this time, do not operate
any of the 4th, 5th, and top boom section
extending switches.
4. In this state, set the engine speed to 1550
min
-1
and check the pressure.
Hydraulic pilot control valve (for main)
Boom extending (C)
Boom retracting (B)
Slewing table right side
Hydraulic pilot control valve (for main)