Tadano GR-700N - Elevating

Y-2
Y-2
Adjusting Pressure (Hydraulic Pressure)
17
WY02-1720E
2.3 Elevating
[NOTICE]
Set the AML emergency switch to "Emergency" (after the pressure adjustment, make sure to return the AML
emergency switch to "Normal" position).
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
raising
(G)
27.5
+0.5
0
280
+5
0
3980
+70
0
1550
(MAX.)
1.Turn the PTO switch ON.
2. Fully extend the elevating cylinder.
3. Move the elevating lever at its full stroke on the
raising side.
4. In this state, set the engine speed to 1550 min
-1
and check the pressure.
Boom
lowering
(E)
4.5
+0.5
0
46
+5
0
650
+70
0
700
(IDL.)
1.Turn the PTO switch ON.
2. Fully retract the elevating cylinder.
3. Move the elevating lever at its stroke full stroke
on the lowering side.
4. In this state, check the pressure.
Boom raising (G)
Boom lowering (E)
Hydraulic pilot control valve (for main)
Hydraulic pilot control valve (for main)
Slewing table right side