NIFTYLIFT HR21 4x4, Operating/Safety Instructions Manual

Page: 60 / 79

Height Rider/SP Series
Operating & Safety Instructions
English/USA – 07/17
Original instructions
58
10.Maintenance; Maintenance check lists;
Normal maintenance
 Visual check of transducers, board (box) and connection wires.
 Check of power supply to verify it is correct.
 Check of the equipment correct operation, by simulating a locked condition and correspondent
rearming. See “Means for easy and safe trouble shooting”

Check correct operation of the boom switch.
The tilt sensor will not normally require special maintenance. Should special maintenance be required
please observe the following precautions.
 Cut off power supply before every check or replacement.
 Do not weld on machine structure before removing power supply (positive and negative) and
detaching boxes from vehicle frame or possible connections towards vehicle frame.

Provide suitable mechanical protections for connection wires, paying particular attention for
transducers.

Do not place board, transducers or cabling close to sources of heat, electromagnetic interferences
or power transmissions.
 Do not touch directly boards, transducers and boxes with flushing or degreaser fluids under
pressure.
 Do not hole the board box.
 Seal the box and/or the panel who contains the electronic board, to reveal any not authorized
access or tampering.
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 Tilt Sensor, Safety Switch, PLC or
Hydraulic valve block.
Do not attempt to open the tilt sensor or replace components soldered to any PLC.
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 tilt sensor system
With booms slightly raised, drive onto a slope equal to the rated angle of the machine. The machine
brakes should halt the machine as soon as the level is reached.
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 tilt sensor system to be made at the beginning of every duty cycle.