Komatsu GD555-5 Operation & Maintenance Manual page 215

OPERATION
OPERATION
ADJUSTING SCARIFIER
ADJUSTING CUTTING ANGLE
In general, on hard ground, the larger the cutting angle is, the more efficient the operation becomes.
Adjustment
Remove bolt (1), then move the position of the hole to the desired
position.
The angle can be adjusted to 3 positions: 58º, 60º, 71º. 60º is the
standard position.
ADJUSTING DIGGING DEPTH
The digging depth can be adjusted as follows at 2 places to match the operation.
Adjusting with teeth
Remove the cotter pin, pull out wedge (1), then change the notch
of tooth (2).
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