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OPERATION
OPERATION
RIPPER OPERATION
EFFECTIVE METHOD OF USE
The most suitable digging angle for the shank is when the shank
is perpendicular to the ground surface (angle at tip: 45° - 50°).
For comparatively soft rock (seismic velocity: 1200m/s or
below), it is also possible to carry out ripping with the shank tilted
to the rear (maximum ripping angle).
On comparatively hard bedrock, if ripping is carried out with the
shank tilted back, there will be excessive wear of the tip of the
point (A), and this will reduce the effectiveness of the
self-sharpening ability.
During ripping operations, if the track starts to slip when ripping
boulders or rock that is difficult to rip, use the tilt cylinder.
Selecting a suitable ripper point to match the type of rock is
extremely important to obtain effective ripping.
A variety of ripper points to match each type of rock is available,
so use the information in "PROCEDURE FOR SELECTING
RIPPER POINT (PAGE 6-5)" to select the most suitable ripper
point.
DIGGING UP BOULDERS OR ROCKBED
When the machine hits a firmly embedded boulder or bedrock
during the ripping work and the track shoe begins to slip or the
machine slows down, the operation of the tilt cylinder will help dig
them out.
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