Bacci Twin, Use And Maintenance Instruction Manual

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TWIN
– Use and maintenance instruction manual
Chap. 2
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2.16.10 Residual risks during HOLD-TO-RUN movements (portable control)
2.16.10.1 HOLD-TO-RUN movements (portable control) – (Risk ID: 15.01)
IDENTIFICATION RISK ASSESSMENT
Stage: Maintenance
Person: Maintenance personnel
Area: Z05 Portable pushbutton control
Initial risk: HIGH
RESIDUAL RISK: LOW
PLr (EN 13849): d
SIL (EN IEC 62061): SIL2
ACCIDENT SCENARIO
Consequence: 1.3 Crushing
1.8 Impact
Situation: Use of HOLD-TO-RUN controls on the portable control panel.
Event: Risk of crushing and impact caused by the movement of parts controlled by the
relative controls.
Body part: Entire body, head, upper limbs, hands.
RESIDUAL RISK
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LIMITATION MEASURES
Mechanical: - The controls are located on a pushbutton panel that is enabled while the operator
is standing inside the safety guards.
- The internal moving parts are protected by special fixed buards (SAFETY
MEASURE M08).
Electrical:
Hold-to-run controls that allows moving one axis at a time (SAFETY MEASURE
M09). The controls are located on a portable panel and must be enabled by
pressing the relative pushbutton on the panel.
Informative: - Machine movements carried out usiing the controls on the portable panel must be
carried out by an Expert Person who has been authorised, trained and informed
regarding the risks present in the area inside the machine enclosure.
- During use of the pushbutton panel, only one Person may be inside the machine,
holding the remote portable pushbutton control and controlling the movements
while standing at a safe distance.
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