1. Introducció
This manual provides essential information regarding the ckpsms Hook Timing Drive Gear Set, including product overview, compatibility, installation guidance, specifications, and safety information. This set includes two gears, part numbers #163361 and #163997, designed as replacement components for various Singer brand sewing machines.
2. Producte acabatview
The ckpsms Hook Timing Drive Gear Set consists of two distinct gears, identified by part numbers #163361 and #163997. These gears are crucial for the proper timing and operation of compatible Singer sewing machines.

Figure 2.1: A pair of black plastic gears, the hook timing drive gear set, designed for Singer sewing machines.

Figure 2.2: The two gears, labeled 163997 and 163361, shown side-by-side for identification.

Figure 2.3: Two gears displayed with their internal diameter measurements: 6.4mm for part 163997 and 7.16mm for part 163361.

Figure 2.4: The two hook timing drive gears packaged together in a transparent plastic storage box.
3. Compatibilitat
This Hook Timing Drive Gear Set is compatible with a wide range of Singer brand sewing machine models. Please verify your machine's model number against the list below to ensure compatibility. The alternative part number for this set is 103361+163997.
Compatible Singer Models:
- Singer 500 Series: 502, 507, 509, 513, 514, 522, 527, 533, 534, 538
- Singer 400 Series: 433, 437, 438, 486, 498
- Singer 2200 Series: 2205, 2210, 2220
- Singer 7100 Series: 7101, 7102, 7104, 7105, 7108, 7110, 7146, 7184
- Singer 6100 Series: 6101, 6102, 6103, 6104, 6105, 6136, 6184
- Singer 8200 Series: 8209, 8214, 8222, 8234
- Singer Futura Series: 1000 Futura, 1050 Futura, 1100 Futura
- Other Models: 290, 710, 1425, 8019
4. Instal·lació
Replacing sewing machine gears requires precision and knowledge of sewing machine mechanics. It is recommended that installation be performed by an experienced technician or individual familiar with sewing machine repair to ensure correct timing and function.
Orientació general:
- Preparació: Always ensure the sewing machine is turned off and unplugged from the power source before beginning any maintenance or repair.
- Accés: Carefully open the necessary covers of your sewing machine to access the existing hook timing drive gears.
- Eliminació: Note the orientation and position of the old gears before removal. Remove the old gears, taking care not to damage surrounding components.
- Instal·lació: Install the new ckpsms gears (#163361 and #163997) in the correct positions. Refer to your specific sewing machine's service manual for detailed instructions on gear placement and timing adjustments.
- Temporització: Correct timing is critical for proper sewing machine operation. Incorrect timing can lead to skipped stitches, thread breakage, or machine damage. Adjust the gears according to your machine's specifications.
- Prova: After installation, manually turn the handwheel to ensure smooth movement and correct engagement of the gears before powering on the machine. Perform test stitches on scrap fabric.

Figure 4.1: An illustration indicating the general installation area for the hook timing drive gears (parts 163361 and 163997) within a sewing machine's mechanism.
5. Especificacions
| Atribut | Detall |
|---|---|
| Números de part | #163361, #163997 (Alternative: 103361+163997) |
| Fabricant | CKPSMS |
| Dimensions del paquet | 2.17 x 1.69 x 0.94 polzades |
| Pes de l'article | 1.76 unces |
| Material | Plastic (as depicted) |
6. Informació de seguretat
When working with sewing machine parts and accessories, always observe the following general safety guidelines:

Figure 6.1: A document outlining general safety precautions and usage guidelines for various sewing machine parts, including needle plates, bobbin cases, presser feet, and other accessories.
- Desconnexió d'alimentació: Always disconnect the power supply before replacing any parts. Ensure the machine is turned off and unplugged.
- Correct Part Usage: Always use the correct needle plate, bobbin case, or presser foot for your specific sewing machine model. Do not use damaged or bent parts.
- Nens i animals de companyia: Keep all sewing machine parts and accessories out of reach of children and pets.
- Tractament adequat: Take sufficient safety precautions to prevent injury to your fingers when handling sharp or moving parts.
- Font d'alimentació: Do not connect the product to a power source with a voltage que no coincideix.
- Emmagatzematge: Store parts in a dry, cool place, preferably in their original packaging, to prevent rust and corrosion.
- Assessorament professional: If you are unsure about compatibility or installation, seek professional advice.
7. Solució De Problemes
If you encounter issues after installing the gear set, consider the following:
- Horari incorrecte: The most common issue with gear replacement is incorrect timing. Refer to your sewing machine's service manual for precise timing adjustments.
- Gear Binding: Ensure the gears are properly seated and aligned. Any binding could indicate improper installation or a manufacturing defect.
- Comprovació de compatibilitat: Double-check that your sewing machine model is listed as compatible with this gear set.
- Assistència professional: If issues persist, it is advisable to consult a professional sewing machine repair technician.
8. Suport
For technical assistance or inquiries regarding the compatibility or installation of this product, please contact the seller directly via Amazon. Our technicians are available to provide professional and accurate advice.
