Tadano TM-2000-1, Service Manual

Page: 159 / 194

Y - 1 Y - 1
Service Data
1
WY01-0900E
Y-1 Service Data
1. Hydraulic Pressure Setting Table
1.1 Manual Control Valve(Boom elevating, telescoping, swing, outrigger high/low shift)
[NOTE]
Oil temperature: 45 - 55
o
C (113 - 131
o
F) (TADANO Hydraulic oil LL)
Connect a pressure gauge to the PG1, PG2 ports.
Set pressure
Item
MPa psi
Engine
speed
min
-1
Note
Relief valve
(RV1)
at 25L / min
12.0-12.5 1740-1813 1960
1.Connect a pressure gauge to the PG2 port.
2.Turn the PTO switch ON.
3.Swing while the connecter for solenoid valve(for
swing bake release) is removed to apply swing
brake.
4.Check the pressure at engine speed 1960 rpm.
Over load relief
valve(RV3)
12.5-13.0 1813-1885
1.Pressure adjustment is not necessary because the
pressure is set in factory.
Relief valve
(RV2)
at 95L / min
21.1-21.6 3060-3132 1960
1.Connect a pressure gauge to the PG1 port.
2.Turn the PTO switch ON.
3.Extend the elevating cylinder fully.
4.Operate the boom elevating lever toward the boom
raise position until the lever reaches the full stroke.
5.Check the pressure at engine speed 1960 rpm.
Port relief
valve
(PR1)
at 95L / min
15.6-17.6 2263-2553 1960
1.Connect a pressure gauge to the PG1 port.
2.Turn the PTO switch ON.
3.Retract the elevating cylinder fully.
4.Operate the boom elevating lever toward the boom
down position until the lever reaches the full stroke.
5.Check the pressure at this condition.