1. Tends steam-heated vats that extract gelatin from crushed bone: Turns valve to introduce steam that heats vat filled with crushed bone. 2. Adds water to vat and dumps in specified amounts of ingredients that hasten extraction of gelatin. 3. Drains vat and signals other workers to remove bone residue …
1. Unloads furnace in which ground bones are charred to produce boneblack: Opens and closes slide gate on bone-char furnace to fill bucket, mounted on dolly, with boneblack. 2. Tilts bucket, assisted by other workers, to discharge contents onto cooling floor. 3. Spreads boneblack over floor to cool, using rake. …
1. Tends gas-fired kiln to reclaim char used in filtering corn syrups: Observes thermometers and turns gas valves to heat and maintain specified temperatures in kiln. 2. Starts conveyors that transfer char to and from kiln. 3. Dumps sacks of char into kiln to replenish supply lost during firing process.
1. Controls kilns to reclaim char used in filtering corn syrups: Turns valve to admit gas to kilns. 2. Specifies to BONE-CHAR KILN TENDER temperature to maintain in kiln. 3. Reads pyrometers to verify temperature. 4. Observes operation of char conveyors to prevent spillage. 5. Collects and replaces temperature-recording graphs. …
1. Tends machine that crushes animal bones used in manufacturing animal glue: Starts bone crushing machine conveyor that carries bones into crushing machine. 2. Pushes button to start second conveyor that carries crushed bones from machine into cooking tanks for further processing. 3. May tend hydraulic press that extracts grease …
1. Sets up and adjusts machines that bond, stretch, and apply finishing solution to thread to improve sewing quality: Changes charts in control boxes for recording temperature and viscosity strength and turns knob to set temperature control at specified level on oven unit. 2. Turns handles on roller units to …
1. Tends machines that apply adhesive and bond asbestos lining to automobile brakeshoes for installation by BRAKE REPAIRER: Selects stock lining to fit brakeshoes removed from vehicle. 2. Feeds lining between rollers of machine that applies bonding adhesive. 3. Secures brakeshoes in bonding press after adhesive has set. 4. Positions …
1. Repairs aircraft and space vehicle bonded structures according to blueprints and specifications, using handtools, power tools, and equipment: Reads inspection reports, rework instructions, and blueprints to determine type of repair, tools required, and to plan sequence of operations. 2. Positions and secures bonded structure in fixture or bonding form, …
1. Sprays interior surfaces of cupolas with refractory mixture to reline interiors, using spray equipment: Loads specified amount of material, such as clay, sand, and water into mixing tank of machine and starts machine to mix ingredients. 2. Installs preformed metal scaffolding in interior of cupola, using handtools. 3. Opens …
1. Assists BOLTER in tending flour sifting and purifying machines: Opens slides in chutes and starts elevators to route flour between sifters, purifiers, and grinding machines. 2. Observes flour to ensure flow through specified chutes and machines. 3. Pounds on chutes with mallet to keep flour flowing. 4. Brushes cloth …
1. Tends machine that removes dirt, natural gums, and waxes from greige cloth preparatory to further processing: Lifts rolls of cloth to platform at feed-end of machine, using hoist. 2. Inserts rod through center of roll and pushes roll onto machine brackets. 3. Sews end of cloth roll to leader …
1. Tends tanks in which crude tetryl explosive or nitrocellulose is boiled and washed to remove acids and impurities: Admits batch of crude tetryl slurry to boiling tank. 2. Starts tank agitators and turns valve to admit steam to tank jacket to boil slurry for specified time. 3. Pumps off …
1. Coats rings and jewelry fittings with acid solution or wax to protect metal from oxidation during soldering process: Drops fittings into boiling acid solution for specified time, or applies wax to fittings, using brush. 2. Removes acid coated fittings and heats them in oven to harden coating. 3. Dips …
1. Maintains and repairs stationary steam boilers and boiler house auxiliaries, using handtools and portable power tools: Cleans or directs other workers to clean boilers and auxiliary equipment, using scrapers, wire brush and cleaning solvent. 2. Inspects and repairs boiler fittings, such as safety valves, regulators, automatic-control mechanisms, and water …
1. Visually inspects boilers and water and steam connection pipes to locate leaks and defective parts. 2. Notifies work crew of repairs to be made. 3. Visually inspects repaired boilers to ensure completion of repair job and notifies BOILER OPERATOR to resume operation of boiler. 4. Inspects cleaning equipment, such …
1. Controls kettles to boil soap ingredients, such as lye, resin, palm oil, and tallow, to specified consistency: Opens valves to fill kettle with ingredients in specified amounts, and weighs and dumps ingredients in kettle, using scale. 2. Opens steam valve to heat kettle to specified temperature. 3. Observes boiling …
1. Applies makeup to bodies of performers in color tone and texture to match facial cosmetics: Consults production schedule to plan work. 2. Mixes oils, greases, and coloring to prepared grease paint for special color effects. 3. Selects liquid makeup of desired shade from stock or adds water to cake …
1. Sets up battery of automatic machines that form tin-can bodies: Lights and tends gas burners under soldering vats and adjusts thermostats to regulate temperature of molten solder in machines. 2. Tests air pressure of vacuum feed cups with gauge. 3. Starts machine and observes operation to detect malfunctioning. 4. …
1. Installs circuit wiring in travel trailers and similar vehicles for lights, ignition, starting motors, and other electrical apparatus, following diagrams and color code: Locates and marks positions for outlet boxes on walls and ceiling, using templates or jigs. 2. Cuts openings and drills holes for wire, light fixtures, outlet …
1. Tends machine that winds wire onto bobbins, preparatory to formation of wire netting used in reinforcing sheet glass: Threads wire from supply reel through rollers that automatically feed wire to bobbin. 2. Moves lever to start machine and observes operation to ensure uniform winding. 3. Stops machine when wire …
1. Feeds machines that strip unused yarn or roving from packages: Dumps packages in hopper of machine, using chain hoist, or feeds individual packages into machine that strips yarn or roving from packages with knives, brushes, or compressed air. 2. Presses button to start machine. 3. Pushes or pulls packages …
1. Tends machine that winds thread onto bobbins for use on sole-stitching machines: Places bobbins on spindle and inserts spindle into bobbin-winding machine. 2. Wraps thread around first bobbin. 3. Pushes lever to start machine. 4. Holds spindle in place with hand, allows spring to move spindle, and positions next …
1. Tends stripper that removes thread residue from brass bobbins to prepare bobbins for rewinding: Loads bobbins on shaft of stripping device and ties thread ends to reel at bottom of stripper. 2. Pulls lever to start device that strips thread from bobbins and winds thread onto reel. 3. Removes …
