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VDL (E3.1) 10/2020 Page 33/196
• Procedure for cleaning and repair work
• Measures for operational interruptions, accidents, and first aid for emergencies
The operator must clearly define the responsibilities for installation, operation, troubleshooting, mainte-
nance, and cleaning. It must be ensured that untrained personnel have no access to the chamber and
related work equipment and systems.
The operator must instruct employees with regard to their activity before they begin using the vacuum drying
oven and related work equipment. Following this, further instruction must be provided at regular intervals,
at least once per year. The date of each instruction and the names of the instructed persons must be
recorded in writing.
It is essential for safe and secure operation of the device that the user be familiar with the safety plan from
the manufacturer and the explosion protection plan from the operator.
Do not work on the chamber or in its surroundings, under any circumstances, after consuming alcohol,
drugs, and certain medications which may impair the ability to perceive, assess, and react.
2.3 Operating instructions
The measures to avoid hazards resulting from the risk assessment (Chap. 2.1) are to be specified as Op-
erating instructions. Before employees use the vacuum drying oven and related work equipment for the
first time, the operator must specify instructions for safe use in one or more operating instructions. These
must comply with regulatory requirements and be verified regularly to ensure that they are up to date.
When creating the operating instructions, follow applicable national regulations (for Germany: Industrial
Safety Regulation (BetrSichV); Ordinance on Hazardous Substances (GefStoffV)).
Keep these operating instructions with the chamber at all times in a place where they are
clearly visible. They must be comprehensible and written in the language of the employees.
2.4 Safety data sheets
A central component of the VDL safety plan is determining the correct auto-ignition temperature of the
solvent used. The corresponding maximum drying temperature (safety temperature) is then determined
according to the information panel “Temperature setting”. In the case of solvent mixtures, using the solvent
with the lowest auto-ignition temperature is essential. The data sheets for the solvents used must therefore
be available at all times. They can be maintained in writing or electronically. If they are stored electronically,
it must be ensured that all employees have access when needed. If an electronic medium is – temporarily –
not available, another source must be found or work must be postponed for this time. (DGUV 4.1)
2.5 Protective equipment
The operator must provide the operating personnel with the necessary protective equipment.
The personal protective equipment (PPE) of the operating personnel must be implemented ESD protected.
When using gloves make sure that they are conductive. The same applies for shoes and other elements
that can lead to electrostatic charges.
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