Maintenance
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10.2 Maintenance plan
Carry out the described maintenance tasks at the intervals specified in the
maintenance schedule.
Maintenance interval: every week
Component
Maintenance task
Auxiliary devices
System/unit
Check for soiling and clean it.
Check the pipe unions and hose connections for leaks. If
necessary, tighten the pipe unions and hose clamps, or
replace them.
Tank
Check the filling level and top it up if necessary.
Check the water for contamination and change it, if
necessary.
Maintenance interval: every month
Component
Maintenance task
Auxiliary devices
Supply lines
Check for damage, leaks, brittleness and hardening.
Replace them, if necessary.
Screw fittings
Check for tight fit. Retighten if necessary.
Screw locking device
Labels and symbols
Check that the labels and symbols on the unit are complete
and legible. Missing or illegible labels/symbols must be
replaced.
Air filter
Check for soiling and clean it, if necessary.
Protective goggles,
respiratory
equipment,
compressed air
Refrigerant sight glass Check the moisture content of the refrigerant. The colour of
the indicator reveals whether or not the refrigerant contains
moisture.
•
Green: No moisture in the refrigerant.
•
Yellow: Moisture in the refrigerant (contact the
technotrans service department).
Check the refrigerant quantity with active compressor(s).
•
A continuous formation of bubbles can indicate a lack
of refrigerant.
Contact the technotrans service department.
Refrigeration unit
Visual inspection