Maeda MC405C-3 - Check Outrigger Safety Device Operation; Check Rubber Tracks for Damage and Wear

Mini-Crawler Crane M A E D A Section 5 – INSPECTION
1/2019 MC405C-3 5-33
1. Slowly loosen the grease valve (1) to drain
the grease.
Fig. 5-60
NOTICE: When loosening the grease valve (1),
do not loosen more than for one turn.
2. If the grease is not drained easily, perform
the following to drain the grease.
(1) See "OUTRIGGER STOWING" on page
4-49 to stow the outriggers and lower
the machine on the ground.
(2) Move the machine forward/backward.
(3) See "OUTRIGGER SETTING" on page
4-42 to set the outriggers and raise the
crawlers again for about 50mm from the
ground.
3. Tighten the grease valve (1).
4. Perform the "tension check" of the rubber
track.
If the tension is not appropriate, make
another adjustment.
5. See "OUTRIGGER STOWING" on page 4-
49 to stow the outriggers and lower the
machine on the ground.
Check Rubber Tracks for Damage and
Wear
See "Inspection of Rubber Tracks" on page 5-63.
Check Outrigger Safety Device
Operation
Checking Operation of Crane Interlock
Function
1. Turn the starter switch to the "ON" position.
Fig. 5-61
2. Operate the work selector switch on the
outrigger operation Panel to the "Outrigger"
position.
Fig. 5-62
3. Verify that only the boom stowing lamp (1)
(green) remains ON on the outrigger display.
Fig. 5-63