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Maintenance instructions
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DINO 260XTD
4.4. ADJUSTING THE OVERLOAD LIMIT SWITCHES
For adjusting the overload limit switches shall be used the same test load as for
checking the operation of the overload limit switches. Check the test loads and the
adjusted values in the table of the chapter “Safety devices”.
The adjustment of the limit switches shall be carried out so that the last movement of the
platform's rear edge will be lifting.
Adjusting the RK5:
1. Remove the limit switch cover
2. Disable the RK4
•
undo the RK4 as much as necessary to ensure that the RK5 certainly trips first
• disable the limit switch electrically in accordance with the instructions in point
“Checking the operation of the overload limit switches RK4 and RK5”
3. extend the boom and measure the length of the telescope cylinder's projecting part (L)
Compare the measure with the value for the RK5 in the table. Adjust as necessary.
4. tighten the locking screw of the RK5 and check once more the settings. Check that the
red light is on.
Adjusting the RK4:
1. set the RK4 to trip before the RK5
2. extend the boom and measure the length of the telescope cylinder's projecting part
(L) Turn the adjustment screw to such a position, that the measure will match with the
adjusted value for the RK5 in the table
3. tighten the locking of the adjustment screw and check once more the settings
4. apply a safety wire to the adjustment screws in such a manner that it will not be possible
to unscrew the screws away from the limit switches
5. apply a seal on the wire
6. put the cover back in place
4.5. SPECIAL INSPECTION
(INSPECTION AFTER AN EXCEPTIONAL SITUATION)
The inspection is required if the lift has been damaged in a manner which may affect
its strength or safe operation.
• the lift shall be subjected to all inspections included in the annual periodic service
• the lift shall be subjected to a test-loading and stability test
• a protocol shall be drawn up for the inspection
