Overview Of Control Lever Functions; Operating The Boom - Kubota U17-3a Operating Instructions Manual

Overview of control lever functions

The figure shows, in connection with the following table, the func-
tions of the left and right control levers.
Control lever
Right control lever
Left control lever

Operating the boom

If the excavator is overloaded, the boom must be lowered until the load rests on the ground. To prevent personal
injuries and damage to equipment, do not operate any other functions (e.g. moving the swivel frame).
To raise the boom, pull the right control lever back (figure/ ).
The hydraulic cylinder of the boom is equipped with a
cushioning function, which prevents the excavated
material in the bucket from falling out. When the hy-
draulic system operating temperature is low, the cush-
ioning is delayed by approx. 3 to 5 s. This delay is due
to the viscosity of the hydraulic oil and is not a mal-
function.
To lower the boom, push the right control lever forward (fig-
ure/ ).
Watch the boom during lowering, so that the boom or
the bucket teeth do not hit the dozer.
The boom moves as shown in the figure.
80
Movement
1 Lower boom
2 Raise boom
3 Bucket crowd
4 Bucket dump
A Arm crowd
B Arm dump
C Swivel frame to the left
D Swivel frame to the right
Operation
W9232-8135-6
12/2015