7. Lubricate the motor and pump bearings.
8. Lubricate, as necessary, the gear reducer unit.
9. Lubricate the conveyor shaft bearings, drive
mechanisms, sprocket chains, and so on.
SUMMARY
This chapter has presented some general
information on maintenance and repairs of laundry,
mess deck, galley, and scullery equipment.
Maintenance personnel should make use of the
10. Replace any missing lubrication fittings.
11. Inspect all steam and water valves.
12. Disassemble and inspect pumps internally for
undue erosion or corrosion at least annually.
manufacturer’s technical manual, the PMS, and other
related NSTMs, which are furnished to all Navy ships.
Table 7-4.—Troubleshooting Chart for Scullery Machines
Trouble
Dish racks slide off chain conveyor.
Water pressure too low.
Water splashing on floor or into
wrong compartment.
Rinse water temperature is less
than 180°F.
Spot or film on eating utensils after
final rinse.
Probable cause
Change of tension on either chain.
Spray nozzles or slot plugged.
Strainer baskets plugged. Slipped
belts on pumps.
Leaks around doors; torn curtains
or curtains not in proper position.
Insufficient heat from booster
heater.
Wash water saturated with grease.
Dirty tank Weak sprays in wrong
direction. Improper detergent
mixture.
Possible remedy
Reset idler sprockets to proper
tension on each chain.
Dismantle spray assembly. Wash
out piping; clean parts.
Disassemble and clean strainer. If
belts are frayed or tom, replace
them. Adjust tension by resetting
idler pulley or by moving motor on
sliding base.
Realign door. Repair or replace
gasket. Repair or realign curtain.
Readjust spray to keep it within
limits of tank.
Remove scale from steam coil.
Correct leaking fittings. Calibrate
or replace thermostat.
Stop operation and clean all
Equipment. Adjust speed of
conveyor. Examine spray
equipment. Clean nozzles, spray
pipes, scrap trays, and strainers.
Check piping for leaks. Check to
see if valves are operating properly.
Examine pump. Clean impeller if
necesssary.
7-10
