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Operation
Safety, Operation and Maintenance Manual - Sep 2012
4-16
SY115C9/135C/155H Crawler Hydraulic Excavator
2
CZ335-1103140
Fig. 4-23
(D) Armrest angle adjustment
Turning the plate (4) beneath armrest (3) can
adjust the angle of armrest to desired position.
The armrest can be placed vertically so that
the operator could leave the seat easily.
Adjustable angle: 40°
4
3
CZ335-1103141
Fig. 4-24
(B) Backrest adjustment
Lift lever (2), move the backrest to an optimum
position at where operation can be easily con-
ducted, and release the lever.
Make sure the backrest does not interferes
with the cover plate of the air conditioner at
rear when adjusting the inclination of backrest.
Be careful with the control levers, which shall
not be touched by armrest.
(C) Height adjustment
The seat can be raised by 30 mm when you
hear a "click" sound, and another 30 mm at
the second "click". The seat can be lowered to
the minimum height if you continue to raise it.
Adjustable height: 60mm (30mm for each ad-
justment)