Komatsu Galeo PC27MR-2 Operation & Maintence Manual page 100

MACHINE OPERATIONS AND CONTROLS
Adjustment
Adjust the seat position before starting operations or after changing the operator.
Adjust the seat so that the control levers and switchis can be operated freely and easily with the operator back against the
backrest.
Seat Adjustment
(A) Fore-and-aft adjustment
The seat can move forward and backward.
Move lever (1) to the upper, set the operator's seat at the desired
poaition, then release the lever.
Amount for fore-and-aft adjustment: 140 mm (5.5 in)
Adjust the position of the operator's seat to match the operation.
For example, when carrying out deep digging operations, slide the
seat to the front to improve the view below the front of the machine.
(B) Adjusting reclining
Pull up lever (2) and set the backrest to a position that is
comfortable for operation, then release the lever.
Sit with your back against the seat backrest when adjusting. If your
back is not against the backrest, the backrest may suddenly move
forward.
(C) Adjusting suspension
Turn knob (3) under the seat and adjust to the desired position.
The weight can be adjusted to 50 to 120 kg (110 to 265 lb).
If you want to make the seat softer, turn the weight adjustment to a lower weight; if you want to make the seat harder,
adjust to a higher weight. When operating on uneven surfaces, adjust the seat to a harder setting.
(D) Armrest
Armrest (4) can be made to spring up by hand approx. 90°.
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WARNING
OPERATION