SECTION 5
Maintenance & replacement parts
5.1 Recommended maintenance
Replacement of the compressor air compressor inlet filter, coalescing filter element and
exhaust silencer should be performed at least every twelve months or more frequently,
depending on environmental conditions. Cooling vents should be cleaned of any dust
accumulation during filter changes. Verify the unit is leak tight before returning to
service.
Before performing maintenance on a Nitro-Draught unit, disconnect the main power supply.
Failure to perform specified service may result in damage to the Nitro-Draught unit and may invalidate
any warranty. Use only genuine parts as supplied by Fizz.
The quality and reliability of the Nitro-Draught unit is maintained through preventive maintenance
performed on a scheduled, regular basis.
Keep a written record of all maintenance activity.
5.2 Maintenance service kits & instructions
Filter Replacement (Kit p/n 83108)
Switch off the electrical power supply before performing any service on a Nitro-Draught unit. Close
the “CO
2
Inlet” and N
2
To Storage” isolation valves. Depressurize the system by switching the unit on
again for 20 seconds allowing it to exhaust (and depressurize). Shut the unit off.
Replace the compressor air intake filter element:
1. Lift up tabs on both sides of filter assembly and pull cover off assembly.
2. Pull the used filter element from the housing cap and dispose of the used element.
3. Fit the replacement element by pushing the element, narrow end first, into the bottom of the
assembly.
4. Replace the cover by pressing it down onto bottom piece until it snaps tight.
Replace exhaust silencer:
1. Unscrew used silencer by turning counter clockwise.
2. Replace with new silencer, tightening only finger tight.
Replace the coalescing filter:
1. Make sure the housing is completely depressurized before continuing.
2. Unplug solenoid electrical connector.
3. Unscrew body/bowl of green coalescing filter.
4. Remove the element from the bowl and dispose in accordance with local waste regulations.
5. Carefully remove the new element from the packaging and insert into the bowl by aligning
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