Ed. 07/2006 - Scotsman

Service manual
IX. CLEANING and MAINTENANCE CONDENSING UNIT
1. CONDENSER/OIL COOLER: cleaning and fans replacement
Remove manually thick dust presence than proceed with a bristle brush or
compressed air, to clean the fins completely.
For water cooling it is necessary to remove lime-scale and/or other solid parts by
de-scaling and water pressure.
Before replacing the fan motor always isolate the electrical supply from the
machine.
!
Safety first!
For a correct and secure installation use the right tools and
protection.
Open the electrical box and disconnect the supply wiring. Loosen the fixing screws
of the fan condenser. Take away the fan kit then remove the blade from the motor.
At this point replace the faulty motor with the new one following the reverse
procedure.
2. COMPRESSOR (see attached service manual)
Please follow the manufacturer instructions
!
Safety first!
For a correct and secure installation use the right tools and
protection.
3. LIQUID RECEIVER: safety pressure valve
When the liquid receiver is operating in normal conditions, does not need
maintenance.
Do not attempt to open the receiver when under pressure. Accessories and
modification on the liquid receiver has to be approved by the manufacturer.
In case of replacement it is necessary to empty it and drop the pressure to
atmospheric level. Any residual oil must be collected and disposed of by specialised
personnel.
!
WARNING! Safety pressure valves do not need maintenance.
Cover or seal removal are not permitted; this will result in the
manufacturers warranty being null and void.
Safety valve inspections are restricted to authorized companies and conformity to
specific standards in force in the country of installation.
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Rev. 07/2006