Komatsu 06253 Operation & Maintenance Manual page 198

3.14 WORKING INSTRUCTIONS
DO NOT "Sweep" with the loader attachment, illust. (Z10369),
as this may result in severe damage on swing gear compo-
nents.
DO NOT use the bucket clam for loosening or removing
anchored rocks or other solid objects (illust. Z 19984 and
Z 19985), since such operations may result in severe damage
to the clam pivot bearings.
Precautions when operating hydraulic cylinders to end of
stroke
Do not operate the hydraulic cylinders of the working attachment
to the end of their strokes. This will bring excessive force onto the
inner stoppers of the cylinders and will reduce the lifetime of the
cylinders.
To prevent this, move the control levers to neutral position before
the cylinders reach their end of stroke.
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CAUTION
CAUTION
OPERATION