38
Maintenance instructions
•
DINO 260XTD
4.3.18.
Checking the operation of the overload limit switches RK4 and RK5
PRESSURE SPRING
LIFTING CYLINDER
ARTICULATED ARM
LIMIT SWITCHES RK4 and RK5
ADJUSTMENT SCREW
Check the operation of the overload limit switches from the chassis control panel LCB.
For the test, keep the same carefully weighed test load, placed at the distance of 100 m from
the rear edge of the platform, as in the previous test.
Checking the adjustment of RK4
1. Drive the boom to a horizontal position
from the chassis control centre.
2. Lift, lower and lift again the rear edge
of the work platform, using its levelling
function.
2.
Lifting the rear edge of
the platform
1.
Lowering the rear edge
of the platform
DANGER
WARNING
CAUTION
NOTICE
Before checking or adjusting the reach limits, always drive the platform to a horizontal
position using the levelling function, ending the procedure by lifting the rear edge.
3. Extend the telescope until it stops. Do not correct the position of the platform.
4. Make sure that a red signal light on the platform is illuminated.
5. Measure the telescope cylinder's projecting part (L) and compare the measure with the
value for RK4 in the table in the chapter “Safety devices”.
6. If
the
stroke is too long, adjust the limit switch and secure it with a seal wire.
