Y-2
Y-2
Adjusting Pressure (Hydraulic Pressure)
13
WY02-2090E
2. Items
2.1 Winch
[NOTICE]
Deactivate the stroke end slow stop function in the user mode of AML (after the pressure adjustment, make
sure to activate the slow stop function).
Oil temperature: 50 ± 5°C (122 ± 9°F) (Hydraulic oil: TADANO Hydraulic Oil LL)
When not described to use the pressure check port, check the main pump pressure display on the AML
display panel.
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
Winch
hoisting up
(A)
24.5 ± 0.5
250 ± 5
3550 ± 70
1700
(MAX.)
1. Block either of the joints (LS1: Auxiliary
winch, LS2: Main winch) between the
hydraulic pilot control valve and the
hydraulic valve (winch brake).
2. Turn the PTO switch ON.
3. Move the winch lever that is blocked at its
full stroke on the hoisting up side while the
elevating lever is moved at its full stroke on
the lowering side.
4. In this state, set the engine speed to 1700
min
-1
and check the pressure.
Aux. winch
hoisting
down
(B)
8.8 ± 0.5
90 ± 5
1280 ± 70
770
(IDL.)
1. Block the joint (LS1: Auxiliary winch),
between the hydraulic pilot control valve
and the hydraulic valve (winch brake).
2. Turn the PTO switch ON.
3. Move the winch lever that is blocked at its
full stroke on the hoisting down side while
the elevating lever is moved at its full
stroke on the lowering side.
4. In this state, check the pressure.
Main winch
hoisting
down
(C)
8.8 ± 0.5
90 ± 5
1280 ± 70
770
(IDL.)
1. Block the joint (LS2: Main winch), between
the hydraulic pilot control valve and the
hydraulic valve (winch brake).
2. Turn the PTO switch ON.
3. Move the winch lever that is blocked at its
full stroke on the hoisting down side while
the elevating lever is moved at its full
stroke on the lowering side.
4. In this state, check the pressure.
Содержание GR-130EX
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Страница 27: ...Y 2 Y 2 Adjusting Pressure Hydraulic Pressure 14 WY02 2090E ...
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Страница 151: ...Z 14 WZ03 4392E View System Z 14 Z 14 79 79 0 343 818 71200 6 Cable B IWZ03 439202E ...