Tadano GR-1600XL, Руководство по обслуживанию

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23
WY02-2020E
Y-2 Y-2
Adjusting Pressure (Hydraulic Pressure)
2.7 Remote control pilot pressure
[NOTICE]
Oil temperature: 50 ± 5 °C (122 ± 9°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
Pilot
pressure
*1
(M) 2.9 or over 30 or over 430 or over
670
(IDL.)
1. Connect a pressure gauge to the
pressure check port (M).
2. Turn the PTO switch ON.
3. Turn the air conditioner switch OFF.
4. Make sure that constant pressure is
being produced while engine is
running.
5. 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
sequence valve.
*2
(N) 3.9 or less 40 or less 570 or less
2150
(MAX.)
1. Connect a pressure gauge to the
pressure check port (N).
2. Turn the PTO switch ON.
3. Turn the air conditioner switch OFF.
4. Retract the jib lock pin fully to stroke
end.
5. In this state, set the engine speed to
2150 min
-1
and check the pressure by
the pressure gauge.
*1: Sequence valve (for actuator)
*2: Reducing valve (for pilot pressure and slewing brake release)