SUNWARD SWE150F, Руководство по эксплуатации и техническому обслуживанию

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3.2.8 Left pilot control joystick
（ with automatic slow-down device
 Left side work equipment control joystick (8) is
used to operate arm to dig or dump and control
upper-structure to slew.
（ a ） arm dumping
（ b ） arm digging
（ c ） right slewing
（ d ） left slewing
N （ neutral ）： the upper-structure and the
arm stay where they are and remain
immovable.
3.2.9 Automatic slow-down switch
 The automatic slow-down switch can
slow-down rev of engine.
 This switch is located on the top of the left
joystick.

When engine at the high speed, crawl this
switch, rev of engine slow-down to idle speed,
crawl it once again , rev will restore.