MOBA R.3CHS, User Manual

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19
STEP COMMENTS
1. Set the cutting
edge of the blade or
bucket at the desired
"on -grade" position.
2. Set up the laser
transmitter.
4. Move the
Laserguide up and
down the vertical post
until the central LED
cluster indicates the
unit is "On-Grade".
The laser transmitter should be set up so that the plane swept by
the rotating laser beam is correctly oriented (often horizontal) and
intersects with the vertical post to which the Laserguide is
mounted.
Ideally you should be able to move the Laserguide up and down
the vertical post to utilize the entire reception range.
If the entire reception range cannot be used, raise or lower the
laser transmitter until it can be used.
Back-off the clamping screws until the 360 mount passes over
the vertical post.
˚
Do not use a wrench to tighten the clamping screws.
5. Tighten both
clamping screws
3. Fit the Laserguide
to the vertical post.
When the central LED cluster is lit the laser
beam is striking the Laserguide at the "On-
Grade" position. For more information see
section 3.3 of this manual.
• The dipper stick of a backhoe or excavator should
r “curled” to a eadily repeatable position.
• The lowest point of the bucket should be brought
r to est at a point known to be at the correct
r est at some point which is known to be at the
The “on-grade” position will be some existing reference,
• The cutting edge of the blade should be made to
correct elevation.
trench.
p elevation, erhaps at the bottom of an existing
w be ithin 5 of true vertical with the bucket °
perhaps where work last terminated.
These instructions are for operating with a laser beam rotating in the
horizontal plane, typified by grader blades or excavator buckets. Your
application may be different.
3.2 Setting Up the Laserguide
TABLE 4
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Installing and Using the Laserguide