Tadano TT-800XXL1, Service Manual

Page: 237 / 267

Y-4 Y-4
Check (Crane Operation)
11
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Check (Crane Operation)
1 . Hoisting
[Condition]
• Load :None
• Engine speed :650- 1 300 min
- 1
[Procedure]
1 . Shift the boom telescoping lever to full stroke first.
2. Make sure that the main winch moves slowly
while the auxilialy winch lever is slightly operated.
3. Make sure that the main winch does not move
while the auxilialy winch lever is operated to full
stroke.
2. Jib
1 . Make sure that anti-two block function does not
work during the jib set status is registered.
2. Check the jib lock indicator lamp.
• Make sure that the lamp is lit when the jib slides
out of the center support on the boom.
JIB LOCK
Lamp is lit
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• After the jib is stowed, make sure that the lamp
is not lit.
3. Detection of contact of the front jack
with ground
1 . Set the crane no outriggers before extending the
front jack.
Stop front jack operation jus before the front jack
touches the ground.
2. Then slightly retract the front jack indicative
symbol on the AML is not hightlight in this
situation.
3. Extended the front jack again.
Continue extending operation for more than 4
seconds after the jack float touches the ground.
Make sure that the front jack indicative symbol on
the AML is hightlighted in this situation.
4. Setup the outrigger emergency
1 . Turn ON the switch of the panel on upper right in
the cab.
2. Confirm the indicator is lighting.
OFF
ON
Indicator
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3. Confirm the extending width can be set manually
with AML regardless of the extending width.
(same to all outriggers)
5. Upper outrigger operation (option):
It becomes possible when
connecting PTO and becoming
the crane work possible.
1 . Confirm an individual operation performs correctly,
and in addition, confirm the following.
• All operation extending: Only four outriggers
operate.
• All operation retracting: Four outriggers and
front jack operate.
2. O/R switch non-neutral position lamp must light if
either Ext./Ret. selection swich or Jack/Slide
selection switch is actuated.
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Lamp is lit
3. After the status of O/R is registered with AML,
confirm the status of AML bocomes on-tire if
retracting O/R or F/J.