Dinolift DINO 260XT, Operating Instructions Manual

Page: 59 / 101

DINO 260XT
59
ANNUAL INSPECTION (REGULAR INSPECTION)
The inspection shall be performed by a skilled technician or an expert inspection body with
documented evidence of competence according to requirements presented on page 10. In the
inspection special attention has to be paid to the condition of the steel structures, the safety devices
and the operating system.
Clean the lift before the inspection
The inspection incorporates the following measures and checks:
-
perform the measures of the daily and monthly inspection
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inspect thoroughly the hydraulic system
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power unit
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connect the pressure gauge to the measuring point in the hydraulic system
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make the oil flow through the relief valve by driving one of the movements
against the end stop
-
read the pressure in the gauge; when the oil is warm the pressure should be
21 - 21.5 MPa (210 - 215 bar)
-
load-holding check-valves on the outriggers
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lift the device off the ground with the outriggers and measure the distance to
the chassis at each outrigger
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step on the platform and extend the telescope keeping the boom level
Turn the boom round a few times, stop at the initial position and check that
the distance between the ground and the outriggers has not changed.
-
lift the outriggers from the ground and leave them in this position for about
10 minutes
Observe that the outriggers do not lower of themselves.
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load-holding check-valve on the lift cylinder
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lift the boom from the chassis control panel to an angle of about 45° and
extend the telescope
Observe about 10 minutes that the boom does not lower of itself.
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load regulation valve of the telescope cylinder
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lift the boom from the chassis control panel and extend the telescope slightly;
leave it in this position for about 5 minutes
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make sure that the telescope does not retract of itself
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load regulation valve of the levelling system
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put a load of about 80 kg on the platform
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lift and lower the boom 4 - 5 times
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make sure that the position of the platform does not change
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electric directional valves
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operate all boom and turning movements and check that they all work
properly and that the movements stop as soon as the levers are released