STT113 TOWER CRANE OPERATION AND SERVICE MANUAL
3B
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14
V. Operation
1. Control panel layout and operating method
The cabin equipped with electrical control panel (HF) and seat.
There are left control panel and right control panel on both side of the seat (they
are also called joystick).
There is a control lever in the center of the joystick. (see fig. 3-2-1, layout of
control panel and fig. 3-2-2, schematic diagram of lever operating)
4
：
Parallel connection button
5
：
Slewing brake button
2
：
Power off (emergency stop) button 3
：
Power light
RG
：
Slewing to the left
RD
：
Slewing to the right
DAR
：
Trolley in
LH
：
Hoisting
LD
：
Lowering
1
：
Power supply and hailer button
DAV
：
Trolley out
TAR
：
Traveling backwards
TAV
：
Traveling forwards
See fig. 3-2-1
See fig. 3-2-2
Locking mode
Operating mode
cabin
right
left
