EN 1034-17-2012 pdf download.Safety of machinery – Safety requirements for the design and construction of paper making and finishing machines – Part 17:Tissue making machines.
interlocking device in compliance with EN 1088:1995+A2:2008 shall be provided on the access points to the relevant working platforms or/and catwalks,. An interface with the crane drive system shall be provided, so that the guards (gates) can be interlocked with crane movements. The interlocking shall comply with at least EN ISO 13849-1:2008, Performance Level PL c or EN 62061:2005, Safety Integrity Level SIL 1 .The interface shall be described in the instruction handbook. For the arrangement of the guards (gates), the safety distances of EN ISO 13857:2008, Table 2 shall be taken into account. A reset device that requires activation before crane operations can continue shall be positioned near each interlocked gate. It shall not be accessible from the danger zone.
Where the requirements a) or b) cannot be achieved for constructional reasons, on each access point to the relevant working platforms or/and catwalks a warning sign ‘beware of crane shall be p4’ovided in addition to the interlocked gates.
Where the requirements a) or b) cannot be achieved for constructional reasons at maintenance working positions, additional measures shall be provided e.g. trip devices on both sides of the crane for stopping the crane movements. These additional measures shall be determined by agreement between the manufacturer and user.
5.12 Equipment and measures for cleaning and removal of broke
5.12.1 Automatic systems for cleaning and removal of broke shall be provided wherever technically feasible, This includes spray bars for cleaning of wires, doctor blades for cleaning of rolls and cylinders, suction systems for removal of paper dust, broke conveyors and machine pulpers. The requirements of EN 1034-1:2000+A1:2010, 5.10 shall be satisfied. Where manually cleaning of rolls or cylinders is required, the instruction handbook shall contain information about the safe working practices.
5.12.2 Ergonomically designed means shall be provided to faclhtate the removal of broke, for example broke hooks.
5.12.3 For machines or machine sections equipped with a reverse gear for cleaning or removal of broke, the requirements of EN 1034-1:2000+A1:2010, 5.10.2 shall be satisfied. The actuator for starting the reverse motion shall be protected against inadvertent operation, for example by shrouding or by covering with a movable plate or by a special mode of operation.
5.12.4 Where gaps are provided under the fall-off protection on the drive and on the tending side of the machine to facilitate the removal of broke, they shall be as small as possible in compliance with
EN 1034-4:2005+A1:2009, 5.4.
5.12.5 In order to reduce the risk of cutting when changing, cleaning and transporting doctor blades, the following safety measures shall be applied:
suitable equipment such as tools and deposit areas for changing doctor blades shall be provided;
— where changing such elements cannot be carried out from floor level, working platforms shall be provided con’iplylng with the requirements of 5.2.
5.12.6 Where blades are applied to the roll or cylinder by power operation, either pneumatically, hydraulically or electrically, the crushing point shall be safeguarded as follows:
a) Use a hold-to-run control in a local control mode, if a crushing hazard for the whole hands’arrn exists. The related control system shall comply with at least EN ISO 13849-1:2008, Performance Level PL b or EN 62061:2005, Safety Integrity Level SIL 1: or
b) If the maximum stroke is 25 mm and If a crushing hazard exists only for fingers, the distance between the control device and the danger zone shall be at least 1,10 m. so that the operator can oversee the danger zone, but cannot reach it easily; or
c) Where the crushing point cannot be reached, the operation for blades can be performed in a remote control mode. The related control system can comply with EN ISO 13849-1:2008, Performance Level PL a.
Manually operated devices shall be provided In the vicinity of the machine or machine section in order to deenergise the blade actuator.
5.12.7 Crushing hazards between oscillating spray bars and fixed parts of the machine shall be avoided by applying the minimum gaps according to EN 349:1993+A1:2008. Where this is not possible, fixed guards in compliance with EN 953:1997+A1:2009 shall be provided.
5.12.8 Access to high-pressure spray bars and needle showers with supply pressure of more than 1,5 MPa (15 bar) shall be prevented by fixed impervious guards in accordance with EN 953:1997+A1:2009. This also applies to the machine underside.
5.12.9 Where hand-held water or air lines are used for machine cleaning, equipment shall be provided which allows easy and ergonomic handling of lines to avoid tripping or falling hazards caused by lines lying around. This includes for example:
automatic reeling devices for lines which are used frequently; providing several supply stations in order to keep lines lengths short; movable line suspension systems mounted on an elevated guide rail; ergonomically designed equipment for manual storing of lines.
5.13 Noise
5.13.1 The requirements of EN 1034-1:2000+A1:2010. 5.15 shall be satisfied.
5.13.2 Examples of noise reduction measures and points to be considered are:EN 1034-17-2012 pdf download.