User's Manual Part 1

18
18
The GS820 System
The GS820 System
10. Test for boom deflection (telescopic crane only):
is the radius indicated equal to the actual radius
with the boom at 0 degrees and at 90 degrees
but smaller than the actual radius with the boom
at 45 degrees? If yes then adjust the boom
deflection value to compensate:
a. Raise the boom to 45 degrees with a
known load.
b. Compare the indicated radius with the
actual radius. Change the boom
deflection value and again compare the
radius displayed with the actual radius.
Repeat until the radius displayed equals
the actual radius.
11. Test № 4: measure the actual radius and
compare to the radius indicated. Repeat with the
boom at minimum angle, at 45 degrees, and at
maximum boom angle; repeat at minimum and
maximum boom length**. If radius indication is
not accurate then refer to Radius Settings.
2.6b Radius Settings
1. Go to menu 4) INSTALLATION and select 4C)
R
ADIUS SETTINGS.
2. Enter the user password and press Enter.
3. Use Up and Down to navigate between the
radius settings, press Enter to modify and use
Up and Down to adjust the settings.
4. Press Enter to save any changes and press
Exit to return to the operation display.
4C) R
ADIUS SETTINGS
* 1) Boom length
* 2) Slew offset
3) Height offset
4) Boom deflection
5) Boom top length
6) Boom top offset
7) No load deflection
8) Jib offset
9) Lattice extension offset
10) Jib mounting point perpendicular
11) Jib mounting point parallel
12) Main hoist
12A) Jib length
12B) Luffing jib length
12C) Lattice extension length
12D) Manual length
* 12E) Sheave head length perpendicular
12F) Sheave head length parallel
* 12G) Sheave radius
12H) Deduct
13) Auxiliary hoist
...13A) to 13H): same as 12A) to 12H)
14) Auxiliary hoist 2
...14A) to 14H): same as 12A) to 12H)
15) Auxiliary hoist 3
...15A) to 15H): same as 12A) to 12H)
16) Auxiliary hoist 4
...16A) to 16H): same as 12A) to 12H)
17) Auxiliary hoist 5
...17A) to 17H): same as 12A) to 12H)
** Telescopic boom cranes only
Figure: Radius settings menu
* Basic radius parameters
Note: with the boom at 45° and the maximum load
on the hoist, the boom deflection value should
equal the difference between the actual and the
displayed radius. With the boom at 45° and half the
maximum load on the hoist, the boom deflection
value should equal twice the difference between
the actual and the displayed radius.
IMPORTANT! Radius settings 4C 12) to 4C
17) are specific to the hoist line.
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