Page 36
Troubleshooting Chart
TROUBLE
CAUSE
REMEDY
Replace timer.
Check all valves in steam supply and return -- make sure
they are open.
Remove and clean. Replace if defective.
On dryers using solenoid temperature control, check
operation of solenoid valve by advancing thermostat.
On dryers using solenoid temperature control, thermostat
controls operation of solenoid valve. If defective, replace
thermostat.
Check for inlet and outlet marking on check valve, and
invert if necessary.
Remove plug and blow down strainer or remove and clean
thoroughly if heavily clogged.
Check piping per steam installation instructions.
Check trap for size and capacity. If dirty and sluggish,
clean thoroughly or replace. Check return line for high
back pressure, or another trap charging against the trap
functioning improperly.
Replace V-Belt.
Adjust belt tension.
Tighten Set Screw.
Remove load.
Check manual for proper leveling procedures.
Accidental damage to the fan blade can change the
dynamic balance. Damaged fans should be replaced.
Adjust basket clearance.
Tighten Set Screws, make sure sheaves are in proper
alignment.
Adjust belt tension.
Occaisionally screws, nails, etc., will hang in the basket
perforations and drag against the sweep sheets surrounding
the basket. Such foreign objects should be removed
immediately.
Defective timer.
Valve closed.
Steam trap blocked.
Solenoid valve.
Thermostat.
Check valve
installed
incorrectly.
Strainer clogged.
Steam piping
installed
incorrectly.
Trap not
functioning.
V-Belt broken.
V-Belt loose.
Motor Pulley loose.
Basket overloaded.
Not leveled.
Fan out of balance.
Basket rubbing.
V-Belt sheaves.
Belt.
Foreign objects.
Dryer does not stop at end
of time period (6).
Dryer runs, but no steam to
coils.
Water in steam line.
Basket motor runs, but
basket will not revolve.
Dryer noisy or vibrating.
Summary of Contents for HD150.1
Page 10: ...Page 10 150 lb Gas Fired Dryer Illustration ...
Page 13: ...Page 13 Gas Piping Installation Illustration ...
Page 15: ...Page 15 150 lb Steam Heated Models Illustration ...
Page 22: ...Page 22 Dryer Installation with Multiple Exhaust Illustration ...
Page 30: ...Page 30 Two Timer Models Figures 1 2 and 3 Illustrations ...
Page 38: ...Page 38 DIRECT SPARK IGNITION OPERATION FLOW CHART ...
Page 42: ...Page 42 Basket Alignment for 150 lb Dryers Illustrations ...
Page 44: ...Page 44 Shimming the Basket and Spider Assembly Illustration ...
Page 67: ...Page 67 ...