13. Operating Instructions
2-72
• Keep the track in appropriate tension to prevent it from coming off.
If the tension is too low, the rubber track may come off under the following conditions.
Even if the tension is adequate, take care when operating the track.
• Do not steer the machine on a large level gap created
by a curbstone or a rock [approximately more than
7.87 in. (20 cm)]. Run over a level gap at a right angle
to prevent the track from coming off.
• Do not steer the machine to a boundary between the
flat ground and a slope while moving backward.
If such steering is not avoidable, slow down the speed.
• Do not travel with the track at one end on a slope or on
convex ground (at a machine inclination angle of ap-
proximately more than 10 degrees), with the track at
the other end on flat ground, to prevent the rubber
track from being damaged. Be sure to travel with the
track at both ends on the same level surface.
• The three cases illustrated above are those which
could cause the rubber track to loosen. In addition, do
not steer the machine under such ground conditions as
illustrated in the right figure.
[How the rubber track comes off]
1) When running over a level gap, a clearance is created
between the track and the track rollers. At this point, the
track tends to come off.
000458-00X
000459-00X
000460-00X
000461-00X
Rubber track
Track roller
000462-01E
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