Komatsu PC30MR-5 Operation & Maintenance Manual page 170

MACHINE OPERATIONS AND CONTROLS
Open the engine rear cover (1) fully and it is secured by
rod (2).
2.
Check that the floor tilt fixing bolts (3) (M14, 2 pieces) are
tightened securely.
3.
If the floor frame rattles up and down or has the clearance
(a) (it is 0 mm normally), check the floor tilt fixing bolts (3).
If the floor tilt fixing bolt (3) is loosened, tighten it.
Tightening torque: 156.8 to 196.0 Nm {16.0 to 20.0 kgm}
REMARK
If the floor tilt fixing bolt is damaged, replace it with same
size of Komatsu genuine part.
4.
Close the engine rear cover (1).
METHOD FOR ADJUSTING
METHOD FOR ADJUSTING OPERATOR'S SEAT
When adjusting the position of the operator's seat, always set the lock lever to LOCK position to pre-
vent any malfunction due to accidental contact with the control levers.
NOTICE
If the seat position is adjusted while the parts, tools, or empty cans are left around the operator's seat,
the peripheral parts or operator's seat may be damaged.
Check that there is no parts etc., around the operator's seat, and adjust the seat position.
• Always adjust the operator's seat before starting each operation or when the operators change shift.
• Adjust the operator's seat so that control levers and switches can be operated freely and easily with the
operator's back against the backrest.
3-104
k k
WARNING
WENAM00150
OPERATION