Komatsu PC490LC Installation And Instruction Manual page 233

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OPERATION
PROCEDURE FOR ADJUSTING MACHINE LEFT FRONT MIRROR (A)
To prevent the machine from moving during the work, make sure that the following conditions are met
before starting the work.
The machine is placed on a firm, level ground.
The work equipment is lowered to the ground in secure posture.
The lock lever is in LOCK position.
The engine is stopped.
Adjust the mirror so that the operator can see a person at the rear left of the machine.
1.
Adjust the mirror with your hand so that the side of the ma-
chine is reflected in the mirror as shown in the figure.
2.
Check that you can see a person at the rear left end of the
machine.
3.
If you cannot adjust, loosen mounting bolts (1) of the mir-
ror and stay, and adjust the angles.
If the mirror is adjusted by loosening the mounting bolts, be sure to adjust the mirror to its specified position. For
the adjustment method, see the "procedure for adjusting specified position of mirror at front left of the machine".
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE LEFT
FRONT MIRROR (A)
To prevent the machine from moving during the work, make sure that the following conditions are met
before starting the work.
The machine is placed on a firm, level ground.
The work equipment is lowered to the ground in secure posture.
The lock lever is in LOCK position.
The engine is stopped.
MACHINE OPERATIONS AND CONTROLS
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CAUTION
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CAUTION
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