NIFTYLIFT HR21 4x4, Инструкция по эксплуатации и безопасности

Страница: 58 / 79

Height Rider/SP Series
Operating & Safety Instructions
English/USA – 07/17
Original instructions
56
Appendix B
Safety Related Parts of the Control System (SRP/CS)
The Niftylift control system has been designed and validated according to the required standards. The
table below lists the safety related parts of the control system and the level to which they have been
approved.
The performance level (PL) of each SRP/CS is specified by BS EN 280:2013+A1 2015 section 5.11
Table 5.
Safety Related Part of the Control System
(SRP/CS)
Approval
(Standard, Performance Level)
A1 Prevent travel above inclination limit ISO 13849-1:2008 PL c
A2 Limitation of travelling speed ISO 13849-1:2008 PL c
A3 Load sensing system ISO 13849-1:2008 PL d
A4 Platform levelling ISO 13849-1:2008 PL c
A5 Interlocking of control positions ISO 13849-1:2008 PL c
A6 Prevent movements of load holding cylinders
in case of pipe failure
ISO 13849-1:2008 PL c
A7 Interlocking of travel controls ISO 13849-1:2008 PL b
A8 Emergency Stop BS EN ISO 13850:2015 PLd/c
A1 PREVENT TRAVEL ABOVE INCLINATION LIMIT
The inclination interlock or Tilt System is PL c in accordance to with ISO 13849-1:2008 as required by
BS EN 280:2013+A1 2015.
1.The limits of the safety-related parts to the category selected and any fault exclusions;
The tilt interlock is only active when the telescoping booms are lifted up off the boom rest such that the
boom switch is actuated.
The boom switch relies on the electrical contacts opening allowing the tilt system to permit drive within
the rated angle.
The opening of the contacts is forced by the use of the spring contained within the booms down switch
assembly. Proper maintenance and daily safety checks to be observed
The boom switch cannot be overridden to bypass the tilt system other than by demounting the switch
with the use of tools. Reasonably foreseeable misuse
If the boom switch is removed or if it is not maintained in accordance with the appropriated
documentation the tilt system may not function in compliance with the requirements as a PL c device.
2.The limits of the SRP/CS and any fault exclusion, for which, when essential for maintaining the
selected category or categories and safety performance, appropriate information (e.g. for
modification, maintenance and repair) shall be given to ensure the continued justification of the fault
exclusion(s);