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 MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
13 GROUP-FOOD PREPARATION SYSTEM
(FREEZER-REFRIG ERATOR)
1. TEMPERATURE RISES.
Step 1. Check for V-belt slippage.
Tighten a loose belt
Step 2. Check for leakage of freon.
Tighten all connections. Add freon.
2 MOTOR NOISY.
Step 1. Check mountings Turn motor by hand to discover bearing trouble.
Tighten all mounting hardware. Replace a defective motor (para. 5-79).
GALLEY RANGE
1. BURNER FAILS TO IGNITE.
Step 1. Check for no fuel
Fill day tank. check that supply and control valves are open.
2. FLAME GOES OUT.
Step 1. Check for too much air.
Adjust air supply.
Step 2. Check for dirty fuel strainer.
Clean strainer.
3. BURNER SMOKES
Step 1. Check if blower stopped.
Check motor. fuses, and supply switch.
Step 2. Check for insufficient air.
Adjust air supply.
4. OIL OVERFLOWS IN FIRE BOX.
Step 1. Check for faulty control valve or improper setting.
Adjust control valve setting. Replace valve if oil continues to overflow (para. 5-791.
5. BURNER MOTOR.
Step 1. See troubleshooting on dc motors in group 05.
IMMERSION HEATERS (COFFEE URN)
1. FAILS TO HEAT.
Step 1. Check for power.
Turn switch ON; check fuses.
2. ELEMENT FAILS.
Step 1. Check for burned out element.
Replace heater element (para. 5-79 b.).
14 GROUP-STEERING.
1. RUDDER DOES NOT MOVE WHEN STEERING WHEEL IS MOVED.
Step 1. Check if steering motor operating.
Turn steering motor ON.
Step 2. Check if contactor dirty or not making contact.
Clean contactors.
Step 3. Check if hydraulic oil tank is empty.
Fill tank, check for leaks.
Step 4. Check for loss of electrical power.
Check electrical circuit from panel to equipment.
Step 5. Check if rudder or cable jammed.
Free rudder and cable.
Step 6. Check for incorrect brake adjustment.
Adjust brake.
2. RUDDER MOVES WHEN STEERING WHEEL IS HELD STEADY.
Step 1. Check for slack in cable.
Adjust cable by tightening turnbuckle on quadrant.
Step 2. Check if brake is slipping.
Adjust brake.
3. MOTOR.
Step 1. See troubleshooting on dc motors in group 04.
15 GROUP-SEARCHLIGHT
1. LIGHT WILL NOT LIGHT.
Step 1. Check for burned out bulb.
Replace bulb.
Step 2. Check if circuit is deenergized.
Trace out circuit. Turn switch ON.
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