GROVE Published 10-21-2011, Control # 055-03 3-23
5540F/YB5515 OPERATOR’S MANUAL OPERATING CONTROLS AND PROCEDURES
Operating the Boom Controls
Four levers in the operator’s cab control the boom functions.
See Figure 3-49. These levers are connected directly to the
main control valves.
When operating each control, press the accelerator pedal to
increase engine speed to maximum rpm. Slowly move the
control lever. The further the control lever is moved the faster
the function will operate. To stop function movement, move
the control lever to the neutral position, then lower the engine
speed to idle.
FIGURE 3-48
NOTE: Left Outrigger control shown. The
remaining outrigger controls work the
same as the left front outrigger control.
Outrigger lower - push forward
Outrigger raise - pull backward
Swing Control
Telescope Control
Boom Controls - Controls Shown With
Independent Outrigger Controls
Hoist Control Boom Control
FIGURE 3-49
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