Offset boom
When it comes to digging a trench along a wall, you
can use the lateral offsetting function. With
reference to the axis of the slewing superstructure
the offset can have the following values.
1 If the function for offset boom is not activated
push button (2) to activate it. You know that the
function is activated when the control lamp is
alight.
2 Use the proportional roller (9) on the right hand
lever to operate the offset boom.
- Roller to the left: Offset boom to the left.
- Roller to the right: Offset boom to the right.
This work can be accomplished under confined
spatial conditions. The minimum radius R1 of the
equipment is as follows.
Offset in
degree (°)
ECR50D
to left
76°
to right
56°
ECR50D minimum radius, mm (in)
Type
Short dipper
arm
1400 mm
(55.12 in)
Long dipper
arm
1800 mm
(70.87 in)
R1
to left
1948 mm
(76.69 in)
1984 mm
(78.11 in)
to right
2258 mm
(88.90 in)
2299 mm
(90.51 in)
R2
960 mm
(37.80 in)
1042 mm
(41.02 in)
Boom offset function, settings
The settings for the boom offset function can be
changed in the display, see page
31
.
V1138111
3
4
1
2
9
10
V1138044
7
8
6
V 108705 4
Control lamp for offset boom
108
Operating techniques
Offset boom