Section 5 – GENERAL MACHINE MAINTENANCE Mini-Crawler Crane M A E D A
5-62 1/2019 MC405C-3
Cautions in Using Rubber Tracks
WARNING! Not observing these cautions in
using rubber tracks will cause serious
accidents or damage on rubber tracks.
Keep the followings in mind during the operation.
• Avoid making spin turns on the concrete
surface.
Sudden steering cause early wear or defect on
the rubber tracks. Avoid making sudden
steering whenever possible.
Fig. 5-134
• Do not operate the machine in a way that the
edge of the rubber tracks is pressed against the
concrete and walls.
Fig. 5-135
• Avoid steering at the location with a great step.
Make the machine perpendicular to the step
when going over it.
Going over the step diagonally may result in the
rubber tracks coming off.
Fig. 5-136
• The rubber tracks slip very easily on a wet
steep plate or snowed and frozen surface. Be
especially careful not to slip when operating on
the slope.
Fig. 5-137
• Avoid using the rubber tracks whenever
possible depending on the material to be
worked on.
If you used the rubber tracks on these materials
by necessity, wash thoroughly with water after
the use.
• Avoid the operation on the material crushed
and yielding oil (such as soy beans, corns,
rape cake, etc.)
• Handling salt, ammonium sulfate, potassium
chloride, or concentrated superphosphate
corrodes the bonding at the cored bar
section.
Fig. 5-138
• Salt corrodes the bonding at the cored bar
section. Avoid using the machine on the beach
whenever possible.
Fig. 5-139
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