Height Rider/SP Series
Operating & Safety Instructions
English/USA – 07/17
Original instructions
64
11. Ease of accessibility and replacing of internal parts;
Replacement of parts should only be carried out by appropriately trained and competent persons.
If parts require replacement only replace the whole such as Load Sensor, PLC, PCB or Hydraulic valve
block.
Do not attempt to open the load sensing PCB or replace components soldered to any PCB.
Do not attempt maintenance of hydraulic components i.e. replace seals or internal component.
Only Niftylift original and supplied parts shall be used.
12. Means for easy and safe trouble shooting;
To check the operation of the load sensor system
1. Power on the Niftylift and select the base control location.
2. Allow the power circuits to cycle and ensure the machine is ready for the command signal.
3. Press the base green button and observe that the machine is ready to function with no load
in the cage. (Machine runs, pump flow is available for machine functions.)
4. Select the Cage control position and mount into the cage.
5. Enable the cage controls and then press the cage green button or foot switch to enable the
machine functions. (Machine runs, pump flow is available for machine operation.)
6. Add sufficient load to the cage to exceed the safe working load. Press the green button or
foot switch and observe that the cage overload system brings in the alarm and halts all
machine movements.
7. Remove the overload to below the threshold for safe working load and observe that the cage
load control automatically re-sets and restores all machine functions.
8. Power off the Niftylift.
13. Information explaining the applications for use relevant to the category to which reference is
made;
Not applicable
14. Checking test intervals where relevant.
Check the operation of the load sensing system to be made at the beginning of every duty cycle.
Summary of Contents for HR21 4x4
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