Komatsu GD555-5 Operation & Maintenance Manual page 151

OPERATION
ADJUSTING MIRROR
Be sure to adjust the mirrors before starting operations. If not adjusting them properly, you cannot secure the visibility and may
be injured or may injure someone seriously.
When adjusting the mirrors, keep your scaffolding by using a stool before starting the work.
Loosen mounting bolt (1) and nuts (2) of the mirror, then adjust the
mirror to a position which gives the best view from the operator's
seat.
When doing this, adjust so that is possible also to see part of the
machine.
Visible range
Mirror (A): The hatched portion (A) and 1.5 m (4 ft 11 in) height
from the ground can be seen.
Mirror (B): The hatched portion (B) and 1.5 m (4 ft 11 in) height
from the ground can be seen.
(H) 1 m (3 ft 3 in)
(I) 2 m (6 ft 7 in)
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WARNING
OPERATION