Komatsu PC138USLC Operation & Maintenance Manual page 181

MACHINE OPERATIONS AND CONTROLS MACHINE OPERATIONS AND CONTROLS
Mirror (B)
When installing the mirror, adjust so that people standing at the
front right edge of the machine can be seen.
Install the side view mirror in the location indicated in the figure
at right.
(F): 454 mm (17.9 in)
If the side view mirror does not move smoothly when adjusting
its angle, loosen mirror securing bolt (4) and mirror securing stay
bolt (5).
Tightening torque of bolt (4): 15.7 - 19.6 Nm
When adjusting, set so that the front right portion of the machine
appears in the mirror as shown in the diagram on the right.
3 - 126
(1.6 - 2.0 kgm, 11.6 - 14.5 lbft)
OPERATION OPERATION