Tadano GR-700N, Руководство по обслуживанию

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Y-2 Y-2
Adjusting Pressure (Hydraulic Pressure)
22
WY02-1720E
2.9 Jib tilt and jib 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.
Item
(Mark)
Set pressure
Engine
speed
(min
-1
)
Check procedure
MPa kgf/cm
2
psi
Jib tilt
(raising)
(H)
20.6±0.5 210±5 2990±70
700
(IDL.)
1. Turn the PTO switch ON.
2. Mount the jib, then set the boom/jib operation
selector switch to the "Jib tilt" side.
3. Fully raise the jib.
4. Stroke the telescoping lever fully to the jib tilt
raising side.
5. In this state, check the pressure.
Jib
telescoping
(retracting)
(H)
1. Turn the PTO switch ON.
2. Mount the jib, then set the boom/jib operation
selector switch to the "Jib telescoping" side.
3. Fully retract the jib.
4. Stroke the telescoping lever fully to the jib
retracting side.
5. In this state, check the pressure.
Jib tilt
(lowering)
(F)
11.8±0.5 120±5 1710±70
700
(IDL.)
1. Turn the PTO switch ON.
2. Mount the jib, then set the boom/jib operation
selector switch to the "Jib tilt" side.
3. Fully lower the jib.
4. Stroke the telescoping lever fully to the jib tilt
lowering side.
5. In this state, check the pressure.
Jib
telescoping
(extending)
(F)
1. Turn the PTO switch ON.
2. Mount the jib, then set the boom/jib operation
selector switch to the "Jib telescoping" side.
3. Fully extend the jib.
4. Stroke the telescoping lever fully to the jib
extending side.
5. In this state, check the pressure.
Hydraulic pilot control valve (for main)
Jib tilt lowering (F)
Jib tilt raising (H)
Slewing table right side
Hydraulic pilot control valve (for main)