Troubleshooting; Problem/Cause/Possible Solution - Sommer & Maca Industries TTW 366 Operation And Maintenance Manual

SECTION 7
PROBLEM
GLASS IS NOT
CLEAN
GLASS SHOWS
GRAY OR WHITE
STREAKS
GLASS WASHING MACHINES

TROUBLESHOOTING

CAUSE
Brushes are not contacting the glass
Brushes not rotating or slowing down
when the glass is contacted
Brushes are worn
Improper detergent concentration
Cold water in the detergent tank -
Heater not functioning
Spray bars are plugged
Dirty detergent or rinse water
Blower tube have blockage in the slot(s)
Brushes are worn in the area of the
streaks
Rinse water is dirty
Rinse water is alkaline or hard
Blower slots to far open or closed
Rinse nozzles or holes are plugged
POSSIBLE SOLUTION
Adjust brushes for wear or glass thickness
(see Maintenance)
Check for broken belts – Check the belt
tension - Check the motor fuse/circuit breaker
Adjust brushes so the worn areas contact the
glass
Consult the manufacturer's recommendations
for proper use of detergent
Check the temperature setting – Check the
heater fuses – Allow sufficient warm-up time
Clean spray bar tubes out with a brush –
Clean the holes out with a wire or drill bit
Clean thoroughly and rinse – Check the final
rinse water for hardness level – Treat water if
necessary
Run a piece of glass with the blower tube
covers removed to observe any blockage
Re-adjust the brushes to contact the glass in
the worn area (see Maintenance)
Drain the tank and clean – replenish
Drain the tank and clean – Test the water
hardness
Open or close the slots to 0.032 to 0.045 inch
width (consult factory)
Visually inspect and clean with a cleanout
brush and wire (for holes)
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