Komatsu PC300LC-8 Operation & Maintenance Manual page 180

OPERATION OPERATION
When installing mirror (C), provide clearance (V) so that the
mirror and the mirror stay do not interfere with each other.
(V): More than 10 mm
(If equipped)
If side view mirror (D) does not move smoothly when adjusting
its angle, loosen mirror securing bolt (7).
Tightening torque of bolt (7): 4.0 - 5.4 Nm
(0.41 - 0.55 kgm, 3 - 4 lbft)
MACHINE OPERATIONS AND CONTROLS MACHINE OPERATIONS AND CONTROLS
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