Komatsu D155AX-8E0, Operation & Maintenance Manual

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WARNING
It is dangerous if the work equipment moves by mistake when the angle of blade edge is adjusted. Set
the work equipment in a stable condition, stop the engine and set the work equipment lock lever secure-
ly to LOCK position.
You can adjust angle (A) of blade edge, according to the type of soil.
ADJUST ANGLE OF BLADE EDGE ON SEMI-U DOZER
Turn the brace by using bar handle (1), and increase distance
(L) between the joints to increase angle (A) of blade edge, or
decrease distance (L) to reduce angle (A) of blade edge.
Standard angle (A) of blade edge is 52 °.
Standard distance (L) between the joints is 1374 mm.
ADJUST ANGLE OF BLADE EDGE ON SIGMA DOZER
Turn the brace by using bar handle (1), and increase distance (L) between the joints to increase angle (A) of
blade edge, or decrease distance (L) to reduce angle (A) of blade edge.
Standard angle (A) of blade edge is 50 °.
Standard distance (L) between the joints is 1360 mm.
Angle (A) of
blade edge
Advantages Disadvantages
Large
•
Less soil spills to rear of blade.
• Dumping performance is high, and less
soil is brought back.
•
Digging resistance and rolling up resist-
ance of soil are high.
• Soil is carried less.
Small
•
Digging resistance and rolling up resist-
ance of soil are low.
• Soil is carried more.
•
Convex portion is cut well.
•
More soil spills to rear of blade.
• Dumping performance is low, and more
soil is brought back.
METHOD FOR ADJUSTING RIPPER
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WARNING
It is dangerous if the work equipment moves by mistake when the ripper is adjusted. Set the work
equipment in a stable condition, stop the engine and set the work equipment lock lever securely to
LOCK position.
OPERATION MACHINE OPERATIONS AND CONTROLS
3-201