12 T419S Indicator Service Manual
1 General information and warnings
1.3 Routine maintenance
Always turn off the machine and isolate from the power supply before starting any
routine maintenance to avoid the possibility of electric shock.
1.4 Cleaning the machine
1.5 Training
Do not attempt to operate or complete any procedure on a machine unless you have
received the appropriate training or read the instruction books.
To avoid the risk of RSI (Repetitive Strain Injury), place the machine on a surface which
is ergonomically satisfactory to the user. Take frequent breaks during prolonged usage.
1.6 Sharp objects
Do not use sharp objects such as screwdrivers to operate the keys.
IMPORTANT: This equipment must be routinely checked for proper operation
and calibration.
Application and usage will determine the frequency of calibration required for
safe operation.
Table 1.1 Cleaning DOs and DON’Ts
DO DO NOT
Wipe down the outside of standard products
with a clean cloth, moistened with water and
a small amount of mild detergent
Attempt to clean the inside of the machine
Use harsh abrasives, solvents, scouring cleaners or
alkaline cleaning solutions
Spray the cloth when using a proprietary
cleaning fluid
Spray any liquid directly on to the display windows
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