- Model Numbers: 1831U, 1832U, 1842U
- Frame Parts: Different Assemblies such as cloth plate assemblies, screws, washers, nuts, and stoppers.
- Crank Shaft Parts: Comprises of crank shaft bushings, ball bearings, gaskets, and thrust holders.
- Needle Driving Shaft Parts: Incorporates of needle driving shafts, oil wicks, plugs, bearings, and levers.
- Feed Mechanism Parts: Consists of eccentric parts, ratchet gears, springs and shafts.
- Looper Parts: Employs of right and left looper shafts, bushings, thrusts collars, and screws.
- Pressing Foot Parts: There are several foot parts and a mechanism that lifts them.
- Thread Tension Parts: Contains several guides, knobs, discs, and springs for thread tension.
- Knife Parts: Stationary and movable knife parts with the respective holders and screws.
- Cooling Unit: It consists of needle coolers, a felt and wires for the purpose of cooling.
- Lubrication Unit: Filters, exhaust pipes, screws and oil tubes make it up.
- Thread Stand Parts: Post assemblies such as rods, brackets, washers and thread stand securing screws.
- Additional Equipment: A range of tools and components are used for maintenance, such as wrenches and screwdrivers.
Q1: What models does this manual cover?
A1: The manual is designed to cover models 1831U, 1832U, and 1842U.
Q2: Which of the components are utilized in the feed mechanism?
A2: For the feed mechanism, the following components are utilized; eccentric parts, ratchet gears, springs, shafts and slide blocks.
Q3: Is there any component to cool the needle?
A3: Yes, there is a needle cooling mechanism which consists of needle coolers, felt, and wires for cooling.
Q4: What is the necessity of the thread tension components?
A4: The thread tension components are provided to achieve optimum tension on the thread while stitching for uneven thread sewing techniques.
Q5: Is there any indication in the manual regarding replacement parts?
A5: It does, the manual also contains part information such as the corresponding part numbers for the various replacement components.
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