Terex MHL360 E - Boom Float Function (Optional)

OPERATION 5
MHL360 E 5.59
5.19.5 Boom float function (optional)
The float function assists when goods are be-
ing unloaded from ships, for example. It re-
duces the load of the ship's floor when the
grab closes.
If the float function is active, it controls the
pressure ratios in the lifting cylinders and thus
the position of the boom. In order to adapt the
goods to the control for the current situation,
both close and remote range can be selected.
When a range is selected, the float function
switches on, but is not yet active. A foot
switch can be used for release if necessary.
On the main control display, corresponding
indicators (184/20) and text messages
(184/34) appear.
Symbol
Prop Valves
Application
B SB507 76
Close range,
switched on
Boom steep, dipper-
stick retracted
B SB507 77
Remote range,
switched on
Boom flat, stick ex-
tended
B SB507 65
Function
switched off
No float function de-
sired
Operation: select range or switch off float
function
In the function menu, the border around the
square indicates (185/64or 65) the selected
range. If the float function is switched off, no
range is indicated. To alter:
Multifunction button, Four-way rocker switch
►
Main control display > Function menu.
►
Navigate the focus to the square (185/64
or 65).
►
Use the button or central button to select or
deselect.
or four-way control lever (change range only)
►
On the right-hand four-way control lever,
press button toggle (187/48).
4
2
1
3
BSB50786
Fig. 183 Float function
1 Boom is lowered by the operator, the grab touches
the ship's floor
2 The lower pressure threshold is reached. The control
unit engages and raises the boom slightly until the
upper pressure threshold is reached.
3 Operator closes the grab
4 The control engages and automatically lifts the boom
during the closing motion.
F
09 :43 11 .03. 2 011
MH LX X X / XXX X
18 00 U PM
0 5 1 0 15 20 2 5
95°C 7 5°C
0 ½ 1
9 %
120 0
BSB50668
20
34
Fig. 184 Boom float function
BSB51008
64
65
Fig. 185 Function menu