Komatsu PC80MR-5E0, Operation & Maintenance Manual

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Method for reclining backrest
Pull up reclining adjustment lever (3) and set the backrest to a
position which is comfortable for operation, then release reclin-
ing adjustment lever (3).
REMARK
Sit with your back against the backrest when adjusting. If your
back is not touching the backrest, it may suddenly move for-
ward.
Method for adjustment seat suspension
Turn the knob (4) under the seat to adjust it to the desired posi-
tion.
Adjustment range by the weight: 50 to 120 kg
REMARK
To make the seat softer, turn the weight adjustment in the di-
rection for lighter weight. To make the seat harder, turn the
weight adjustment in the direction for heavier weight.
When traveling on rough road surfaces, make the seat harder
in advance.
Method for adjustment height of armrest
Change the height of armrest (5) by removing bolts (6) and in-
stalling them in one of the five available holes.
METHOD FOR ADJUSTING MIRRORS
k k
WARNING
Be sure to adjust the mirrors before starting work.
If they are not adjusted properly, you cannot secure the visibility and may lead to a serious personal
injury or death.
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.
RKA68472
RKA68473
RKA68480
MACHINE OPERATIONS AND CONTROLS OPERATION
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