Specifications
Part Number STH12 9/10 113
No syrup (continued)
Air Compressor
operates
excessively.
Leak at Shake
Machine,
Orange Juice
Dispenser or
other optional
equipment.
Turn air supply to Shake Machine to
OFF position. If Air Compressor cuts
out and maintains pressure, leak is at
Shake Machine or Orange Juice
Dispenser. Refer to manufacturer’s
manual for Troubleshooting.
Leak at
Compressed Air
System.
Use a soap solution around all
connections starting from the Air
Motor/Pump assembly to the Low and
Medium Pressure Syrup Regulators. If
bubbles appear, tighten loose
connections carefully.
Automatic Drain
or Petcock
leaking.
Place drain line for bottom of
Automatic Drain or Petcock in cup of
water. If air bubbles appear, Automatic
Drain or Petcock is leaking. Clean
and/or replace as necessary.
Air leak in syrup
system.
Refer to Troubleshooting “Syrup
System” under No syrup, air leak at
syrup system.
Restricted
Germicidal Filter
on Air
Compressor.
Replace Germicidal Filter.
Note: This Filter is not designed to be
cleaned, but must be replaced when
exhausted.
Water in Air
Accumulator
Tank.
Verify Automatic Drain is operating. If
inoperative or defective, replace. If
unit is not equipped with Automatic
Drain use Petcock to remove water
from tank.
Motor/Pump
Assembly
inoperative.
If Motor/Pump assembly operate
without building up to 90 psi
(6.3 kg/cm
2
) as needed to cycle OFF.
Pump Assembly is defective and must
be replaced.
Pressure Switch
improperly
adjusted or
defective.
Observe Air Pressure Gauge to
ensure proper cycle ON at 70 psi
(4.9 kg/cm
2
) and cycle off at 90 psi
(6.3 kg/cm
2
) settings. Refer to
instructions found under Switch cover
for adjusting. If Switch will not respond
to adjustment, replace switch.
Check valve
defective.
While Air Compressor is in the OFF
cycle, use a soap solution around
Head Gasket on Motor/Pump
Assembly. If bubbles appear, replace
Check valve located on the Air
Accumulator Tank.
Peculiar taste in
finished product.
Contaminated
Germicidal Filter
on Air
Compressor.
Replace Germicidal Filter.
Note: This filter is not designed to be
cleaned, but must be replaced when
exhausted.
Water in Air
Accumulator
Tank.
Drain trapped water from tank by
removing Drain Line from top of
Automatic Drain. Disassemble and
clean Automatic Drain. If unit is not
equipped with automatic drain, use
petcock to remove water from tank.
Water Filter
contaminated.
Refer to Troubleshooting “Water Filter
System” under Peculiar taste.
Qualifier
Probable
Cause
Corrective Action