Tadano GR-700N, Service Manual

Page: 87 / 200

Y-8 Y-8
Operation Check (Crane Operation)
74
WY05-3930E
4. Hoisting
[Condition]
• L oad : None
• Engine speed : Approximately 700 min
-1
to medium speed
[Procedure]
1. Shift the telescoping lever to full stroke first.
2. Make sure that the main winch moves slowly
while the auxiliary winch lever is slightly operated.
3. Make sure that the main winch does not move
while the auxiliary winch lever is operated to full
stroke.
5. Backward stability control
[NOTICE]

Extend the outrigger, and set up the machine
horizontally.
1. Select the on-rubber for outrigger set status on
the AML.
2. The boom raising operation must be stopped at
73° automatically.
However, while the boom length is 9.8 m (32.1 ft)
and the over-front detection switch is OFF, the
boom raising operation must be stopped at 60°
automatically.
3. The boom lowering must be available.