Tadano GR-130EX, Руководство по обслуживанию

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Y-8 Y-8
Operation Check (Crane Operation)
48
WY05-2492E
4.3 Emergency telescoping
5.3 m (17.4 ft) boom (base)
Turn the AML emergency switch to the
emergency side.
1. With CN503 switch pressed, extend the 4th, 5th,
and top boom by approximately 1 m (3.3 ft) each.
At this time, AML displays an error code
immediately after boom extension starts. Check
that the error code changes as follows when the
boom length reaches 5.7 m (18.7 ft).
W0019
↓
W0021
2. With CN504 switch pressed, fully extend the 2nd
and 3rd boom.
At this time, AML error code changes immediately
after boom extension starts. Check that the error
code is as follows until the boom length reaches
12.3 m (40.4 ft).
W0019
3. With CN504 switch pressed, retract the 2nd and
3rd boom and reduce the boom length to
11 m (36.1 ft) or less.
At this time, the 4th to top boom may also retract
because the No. 2 cylinder is connected to the
tank through the hydraulic valve orifice.
4. With CN503 switch pressed, retract the 4th to top
boom.