7. Lubricate the motor and pump bearings.8. Lubricate, as necessary, the gear reducer unit.9. Lubricate the conveyor shaft bearings, drivemechanisms, sprocket chains, and so on.SUMMARYThis chapter has presented some generalinformation on maintenance and repairs of laundry,mess deck, galley, and scullery equipment.Maintenance personnel should make use of the10. Replace any missing lubrication fittings.11. Inspect all steam and water valves.12. Disassemble and inspect pumps internally forundue erosion or corrosion at least annually.manufacturer’s technical manual, the PMS, and otherrelated NSTMs, which are furnished to all Navy ships.Table 7-4.—Troubleshooting Chart for Scullery MachinesTroubleDish racks slide off chain conveyor.Water pressure too low.Water splashing on floor or intowrong compartment.Rinse water temperature is lessthan 180°F.Spot or film on eating utensils afterfinal rinse.Probable causeChange of tension on either chain.Spray nozzles or slot plugged.Strainer baskets plugged. Slippedbelts on pumps.Leaks around doors; torn curtainsor curtains not in proper position.Insufficient heat from boosterheater.Wash water saturated with grease.Dirty tank Weak sprays in wrongdirection. Improper detergentmixture.Possible remedyReset idler sprockets to propertension on each chain.Dismantle spray assembly. Washout piping; clean parts.Disassemble and clean strainer. Ifbelts are frayed or tom, replacethem. Adjust tension by resettingidler pulley or by moving motor onsliding base.Realign door. Repair or replacegasket. Repair or realign curtain.Readjust spray to keep it withinlimits of tank.Remove scale from steam coil.Correct leaking fittings. Calibrateor replace thermostat.Stop operation and clean allEquipment. Adjust speed ofconveyor. Examine sprayequipment. Clean nozzles, spraypipes, scrap trays, and strainers.Check piping for leaks. Check tosee if valves are operating properly.Examine pump. Clean impeller ifnecesssary.7-10
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