Table 7-1.CommonTroubles, Causes, and Remedies on Shipboard Laundry Dryers
No steam to
Supply line valve
Check trap for inlet and outlet markings. Install trap according to
Open valves in supply and in the return lines.
Check for inlet and outlet marking on check valve, and invert if
Remove plug and blow down strainer or remove and clean
thoroughly if heavily clogged.
Water in steam
Check piping per steam installation instructions.
Trap not functioning
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.
Check fuses on circuit breakers, make sure main control switch is
on. Request an electrician.
Check power source. Voltage, phase, and frequency must be the
same as specified on electrical rating plate. Request an electrician.
Turn timer clockwise to desired time setting. Rush reset buttons on
control box. Request an electrican.
Check all terminal connections. Request an electrician.
Check coils and contacts. Request an electrician.
Fan motor only
Loading door open
Door switch out of
Adjust switch by removing cover and bending actuator lever to
clear switch button 3/8 with cover in place.
Dryer runs no
steam to coils
Steam trap blocked
Check all valves in steam supply & return to make sure they are
Remove and clean. Replace if defective.
presses. Both types of presses require the right amount
hydrostatically tested annually as specified by the
of steam pressure for heating. You, as the
If not specified in the
maintenanceman, must make sure safety devices are not
manufacturers manual, test to 150 lb/sq. inch according
bypassed. All press heads and bucks should be
to chapter 655 of NSTM for 1 minute.