Kenmore Sewing Machine Model 148 Manual

The Kenmore Sewing Machine Model 148 is a versatile household sewing machine featuring multiple stitch patterns, adjustable stitch length and width, built-in buttonholer, free arm capability, automatic needle threading, drop-in bobbin system, and variable speed control. This manual covers setup, operation, maintenance, and troubleshooting for optimal performance.

1. Features at a Glance 2. Unpacking and Setup 3. Basic Operation 4. Specifications 5. Controls and Settings 6. Stitch Selection Guide 7. Maintenance and Cleaning 8. Troubleshooting Common Issues 9. Accessories and Parts 10. Warranty Information

Features at a Glance

Key components: Free arm design, built-in stitch patterns, automatic buttonholer, drop-in bobbin system, LED work light, foot pedal control.

Feature	Description
Stitch Patterns	12 built-in stitches including straight, zigzag, and decorative
Buttonholer	Automatic one-step buttonhole function
Free Arm	Removable extension table for sewing cuffs and sleeves
Needle Threader	Built-in automatic needle threading system
Bobbin System	Top-loading drop-in bobbin with clear cover
Stitch Length	Adjustable from 0-4mm
Stitch Width	Adjustable up to 5mm for zigzag stitches
Speed Control	Variable speed foot pedal with slider control
Presser Feet	Includes zipper foot, buttonhole foot, and all-purpose foot
Power Source	120V AC, 60Hz household current

Unpacking and Setup

Carefully unpack all components and inspect for damage.

Remove machine from packaging and place on stable surface.
Attach power cord to machine and plug into wall outlet.
Install foot pedal and connect to machine.
Insert needle following arrow direction.
Wind and insert bobbin following threading diagram.
Thread upper thread through guides and needle.

WARNING! Keep fingers away from needle area during operation. Always unplug when not in use.

Basic Operation

Power on machine; LED light should illuminate.

Select stitch pattern using stitch selection dial.
Adjust stitch length and width using control dials.
Place fabric under presser foot and lower foot lever.
Gently press foot pedal to begin sewing.
Use reverse stitch button to reinforce seams.
For buttonholes: Select buttonhole stitch, place fabric, and follow automatic sequence.

CAUTION! Always use correct needle for fabric type. Replace bent or dull needles immediately.

Specifications

Model: Kenmore 148
Stitches: 12 built-in patterns
Stitch Length: 0-4mm adjustable
Stitch Width: 0-5mm adjustable
Bobbin: Class 15 transparent bobbin
Needle: Standard domestic 15x1
Max Sewing Speed: 800 stitches per minute
Lighting: LED work light
Power: 120V AC, 60Hz
Weight: 12.5 lbs

Controls and Settings

Main control panel includes stitch selection dial, stitch length dial, stitch width dial, and reverse stitch button.

Stitch Selection: Turn dial to select desired stitch pattern (straight, zigzag, stretch, decorative).

Stitch Length: Adjust for shorter or longer stitches (0-4mm).

Stitch Width: Control zigzag width (0-5mm).

Reverse Stitch: Hold button to sew in reverse for seam reinforcement.

Tension Control: Adjust upper thread tension dial (3-5 for normal fabrics).

Stitch Selection Guide

Recommended settings for common fabrics and projects.

Fabric Type	Stitch Pattern	Length	Width	Needle
Lightweight	Straight	2.0mm	0mm	Size 9/70
Medium Weight	Straight	2.5mm	0mm	Size 11/80
Heavy Weight	Straight	3.0mm	0mm	Size 14/90
Stretch Knits	Zigzag	2.5mm	3.0mm	Ball Point 11/80
Buttonholes	Buttonhole	Auto	Auto	Universal 11/80

Maintenance and Cleaning

Regular maintenance ensures optimal performance and longevity.

Unplug machine before cleaning.
Remove needle plate and clean lint buildup with brush.
Oil moving parts with sewing machine oil (2-3 drops monthly).
Wipe exterior with soft, dry cloth.
Check needle for damage before each use.
Replace light bulb if LED dims or fails.

CAUTION! Use only sewing machine oil. Do not use household oils.

Troubleshooting Common Issues

Symptom	Possible Cause	Corrective Action
Thread breaking	Incorrect threading/tension	Rethread completely; adjust tension; check for burrs on needle
Skip stitches	Bent needle/wrong needle	Replace needle; ensure correct needle type for fabric
Bobbin issues	Incorrect winding/insertion	Rewind bobbin evenly; ensure bobbin turns counterclockwise
Machine jams	Lint buildup/thread tangle	Clean feed dogs and bobbin area; remove tangled thread
Uneven stitches	Tension problems	Adjust upper and bobbin tension; check threading

Accessories and Parts

Standard accessories included with Kenmore Model 148:

All-purpose foot
Zipper foot
Buttonhole foot
Class 15 bobbins (3)
Needles (assorted sizes)
Seam ripper/brush tool
Screwdriver
Power cord and foot pedal
Dust cover

Warranty Information

Kenmore Sewing Machine Model 148 includes a 25-year limited warranty on the machine head and 5-year warranty on electrical components. Warranty covers defects in materials and workmanship under normal household use. Keep original receipt for warranty claims. For service, contact authorized Kenmore service centers or call 1-800-426-9225.