Specifications

Multiplex Company, Inc.
Complete System Overview
13
00218010 Revision B (KAK) 31 July, 2000
Maintenance Schedule
This section provides a list of periodic maintenance tasks and the scheduled frequency required
to ensure the proper operation of your Multiplex dispensing equipment. To ensure quality
beverages, prevent down-time, and reduce costs, these tasks must be performed as indicated.
Periodic maintenance for soft drink equipment (listed by major
components)
Dispensing stations
Daily (365 times per year)
w Take temperature of finished drinks. Pour off the first and take the temperature of the
second drink. The proper temperature of drinks must be 40°F (4°C) or less.
w Remove nozzles and diffusers from each dispensing valve. Clean with soap and warm
water (not hot). Rinse with carbonated water and reinstall.
w Flush all dispenser drains. Pour hot water down drains at closing.
Beverage conduits
Every 4 months (3 times per year)
w Inspect beverage conduits for damage. Re-insulate and seal any uninsulated areas.
w Inspect floor chases and seal any open chase ends.
Air compressor
Monthly (12 times per year)
w Drain condensate water from air compressor tank.
Every 4 months (3 times per year)
w Inspect air compressor filter and replace if clogged. Air filter must be replaced every 6
months.
w Inspect air compressor to verify cut-in at 70 psi (4.8 bar) and cut-out at 90 psi (6.3 bar).
Adjust pressure switch if necessary.
w Inspect system for air leaks and repair as required.
Refrigeration unit
Every 4 months (3 times per year)
w Clean the refrigeration unit air-cooled condenser using a vacuum cleaner. If equipped
with water-cooled condenser, verify the water discharge temperature is at 105°F (41°C).
Adjust water modulating valve if necessary.
w Inspect water bath to verify water level is at the top of stand pipe. If below, add water
and repair water makeup device. If excessive amount of water is flowing over stand
pipe, locate leak within bath and repair.
w Inspect ice bank within the water bath to verify proper size ice bank and clarity. Look
for uniform, 2" to 4" thick ice bank.
w Drain, clean, and refill water bath.
w Inspect agitator motor and ensure proper operation.
w Inspect the circulating motor/pump assembly. Clean strainer and oil motor.
w Inspect the carbonating motor/pump assembly. Clean strainer and oil motor.
w Inspect entire system for leaks and repair as required.