Volvo EC15E, Operator'S Manual

Page: 118 / 238

Offset boom
When it comes to digging a trench along a wall, you
can use the lateral offsetting function.
1 If the function for offset boom is not activated,
push button (2) or press the switch for
attachment in instrument panel (both optional
equipment) to the lower position to activate it.
You know that the function is activated when the
control lamp is on.
2 Use the roller switch/proportional roller switch
(1) on the right hand lever to operate the offset
boom:
- Switch to the left: Offset boom to the left.
- Switch to the right: Offset boom to the right.
This work can be accomplished under confined
spatial conditions. With reference to the axis of the
slewing superstructure the offset can have the
following values.
Offset in degree (°) to left to right
75° 55°
EC15E minimum radius, mm (in)
Type
Dipper arm
950 mm
(37.4 in)
Dipper arm
1150 mm
(45.3 in)
R1
to left 1181 (46.5) 1184 (44.6)
to right 1327 (52.2) 1346 (53.0)
R2 1018 (40.1)
EC18E minimum radius, mm (in)
Type
Dipper arm
950 mm
(37.4 in)
Dipper arm
1150 mm
(45.3 in)
R1
to left 1181 (46.5) 1198 (47.2)
to right 1327 (52.2) 1346 (53.0)
R2 1018 (40.1)
V1128061
2
1
V 108705 4
Control lamp for offset boom
116
Operating techniques
Offset boom