2007 Pfaff Coverlock 4862 Sewing Machine Owner's Manual (P/N 29-629-993-85/000B)

This 2007 Pfaff owner's manual covers the Coverlock 4862 household overlock and cover stitch sewing machine. It carries document code 29-629-993-85/000B and explains machine preparation, stitch selection, sewing adjustments, and routine owner maintenance.

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• Looper and needle threading: Separate paths for the upper overedge looper, lower overedge looper, two-thread chainstitch looper, and needles, with threading-sequence overviews.

• Stitch programs: Setup references for 13 sewing configurations, including cover stitch, chainstitch, overedge seams, flatlock, rolled hems, and the two-needle, three-thread closing seam.

• Feed and seam adjustment: Differential feed settings, presser foot pressure, stitch length, seam width, and program-specific positions for the converter and swiveling stitch width latch.

• Stitch troubleshooting: Stitch formation correction measures and problem/cause/solution tables for skipped stitches, thread breakage, puckering, uneven feeding, and poor trimming.

• Owner maintenance: Cleaning and lubrication, needle plate removal and insertion, movable upper blade replacement and alignment, and sewing light bulb replacement.

The illustrated threading and basic setup instructions make this manual suited to home sewists learning to operate and maintain this specific machine.

Threading and Program Selection

Initial machine preparation covers spool holder positioning, telescopic thread guide adjustment, and the accessory box. Numbered component illustrations identify controls and attachments, while needle-position schematics distinguish the available needle combinations.

Color-coded threading illustrations separate the standard needle paths from the L2 needle route used for two-thread chainstitch. The threading notes explain how an incorrect needle/looper threading sequence can cause thread breakage and skipped stitches.

The program overview charts distinguish the paired configurations under programs 1, 3, and 6. Program 1 covers both cover stitch and two-thread chainstitch, including the machine conversion for sewing without edge trimming and use of the power table.

Stitch Correction and Fabric Feeding

Stitch correction illustrations link visible seam faults to the individual needle or looper thread tension. This helps you identify which thread needs attention before considering a mechanical repair.

The tension section explains automatic program settings and manual fine adjustment, including the reset of those adjustments when another program is selected. The troubleshooting tables also identify an attached converter as a cause of faulty three- or four-thread overedge stitching.

Differential feed charts relate fabric types to gathering, normal feeding, and stretching. The thread chart pairs fabric categories with thread choices and stitch-length recommendations; separate instructions explain the thread chain trimmer and clamp spring for securing a thread chain.

Blade Replacement and Owner Maintenance

For routine repair work, the upper blade section documents removal, installation, and alignment relative to the lower blade. Needle plate removal and insertion are illustrated separately. The safety notes warn that using the wrong needle plate can break the needle.

Cleaning instructions cover the blades, differential feed, and looper area. Lubrication is limited to the illustrated points; the manual states that the other parts require no lubrication.

The sewing light section covers bulb replacement and its maximum rating. Disconnect the machine from electrical power before cleaning, lubrication, blade replacement, or other user servicing.

Coverage stops at owner maintenance: internal overhaul procedures and electrical repair diagrams are not included.

Technical References and Optional Accessories

The specifications table lists sewing speed, stitch and seam dimensions, needle system, thread count, machine dimensions, and weight. Regional foot-control references distinguish AE040 for the EU, AE044 for Australia, AE046 for the UK, and AE043 for the USA/Canada.

Special accessory tables provide order numbers and intended uses for optional feet and guides, including the multipurpose foot M, bias-tape guide H3, and piping and welting foot E.

English PDF and Included Pages

One printable, English-language, 70-page PDF: 60 numbered pages (printed pages 3–62), plus eight unnumbered opening pages and two unnumbered closing pages. The opening pages include the cover, safety instructions, photograph, component illustrations and keys, and one blank page; the closing pages contain legal/recycling information and the back cover. All are included in the 70-page total.