M A E D A Mini-Crawler Crane Section 5 – GENERAL MACHINE MAINTENANSE
3/2019 MC305C-3 5-61
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. 5-113
• Do not operate the machine in a way that the
edge of the rubber tracks is pressed against the
concrete and walls.
Fig. 5-114
• 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. 5-115
• 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. 5-116
• 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. 5-117
• Salt corrodes the bonding at the cored bar
section. Avoid using the machine on the beach
whenever possible.
Fig. 5-118
• The operation in the very cold land changes the
material of the rubber tracks, shortening its life.
Use the rubber tracks in the range of -25°C to +
55°C, due to the physical property of the rubber.
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