Komatsu PC1250-11, Original Instructions Manual

Page: 217 / 452

If the mirror is adjusted by loosening the mounting bolts, be sure to adjust the mirror to its regular position. For
the adjustment method, see “PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE RIGHT
FRONT MIRROR (C)”.
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE RIGHT
FRONT MIRROR (C)
k k
CAUTION
The following conditions must be met before starting the work to prevent the machine from moving dur-
ing the work.
• The machine is placed on a level ground.
• The work equipment is lowered to the ground in secure posture.
• The lock lever is in LOCK position.
• The engine is stopped.
When returning the mirror to its regular position, perform the following adjustment.
1.
Adjust the stay (1).
Mounting position (2): 345 mm
Mounting angle (3): 90 °
Tightening torque of mounting bolt (4): 15 Nm {1.5 kgm}
2.
Adjust the mirror (5).
Mounting position (6): 30 mm
Mounting angle (7): 35 °
Tightening torque of mounting bolt (8): 6.0 to 7.0 Nm {0.61 to 0.71 kgm}
NOTICE
• Tighten the right and left bolts of each bracket al-
ternately so that their right and left clearances (R)
and (L) become equal.
• If the mirror and stay mounting bolts are tightened
excessively, the bracket will be damaged. Be sure
to tighten the bolts to the specified torque.
OPERATION MACHINE OPERATIONS AND CONTROLS
3-151