Craftsman String Trimmer Owners Manual

The Craftsman String Trimmer is a versatile outdoor power tool designed for trimming grass, weeds, and overgrowth in hard-to-reach areas. It features a powerful gas or electric motor, adjustable cutting head, ergonomic handles, safety guards, and easy line advancement systems. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Engine/motor unit, cutting head with trimmer line, shaft, handle assembly, safety guard, and fuel tank or power cord.

Assembly Instructions

Unpack all parts and inspect for damage. Assemble on a flat, stable surface.

1. Attach shaft: Connect upper and lower shaft sections; tighten locking collar.
2. Install handle: Slide handle onto shaft at desired height; secure with bolts.
3. Attach cutting head: Thread or lock cutting head onto shaft end.
4. Install safety guard: Snap or bolt guard onto shaft above cutting head.
5. Add trimmer line: Wind recommended line onto spool; thread through eyelets.

WARNING! Do not assemble with engine running or power connected. Wear gloves to protect hands.

First-Time Setup

Prepare trimmer for initial use following these steps.

1. Fuel mix (gas models): Prepare 50:1 gas/oil mixture as specified; fill tank.
2. Battery (cordless): Fully charge battery before first use.
3. Line length: Extend trimmer line to proper cutting length.
4. Adjust handle: Set handle height for comfortable operation.
5. Test operation: Start trimmer in safe area; check for smooth operation.

CAUTION! Always check for loose parts before starting. Keep bystanders away.

Specifications

• Engine Type: 2-cycle gas engine or electric motor.
• Power Output: Varies by model (e.g., 25cc gas, 12 amp electric).
• Cutting Width: Up to 17 inches adjustable.
• Shaft: Straight or curved steel/aluminum shaft.
• Line Diameter: .080 or .095 inch trimmer line.
• Fuel Capacity: 10-20 oz tank (gas models).
• Battery: 20V or 40V lithium-ion (cordless models).
• Weight: 10-15 lbs (varies by model).
• Noise Level: Below 85 dB with hearing protection recommended.

Controls and Operation

Operate trimmer using controls on handle and shaft.

Controls: Throttle trigger, safety lock, primer bulb (gas), choke, on/off switch.

Starting Procedure (Gas): 1. Press primer bulb 5-10 times. 2. Set choke to closed. 3. Hold safety lock and squeeze throttle. 4. Pull starter cord. 5. Move choke to open after start.

Starting Procedure (Electric): 1. Connect to power or insert battery. 2. Hold safety lock. 3. Squeeze trigger.

Operation Tips: Maintain steady sweeping motion; avoid cutting near hard objects; keep trimmer head parallel to ground.

Trimming Line Installation

Replace trimmer line when worn or broken.

1. Remove spool: Press tabs or turn locking mechanism to release spool.
2. Clean spool: Remove old line and debris.
3. Wind new line: Cut 20 feet of recommended line; wind evenly onto spool following arrows.
4. Thread ends: Pass line ends through eyelets; leave 6-8 inches extended.
5. Reinstall spool: Align spool with head; press or twist until locked.

Tip: Use only manufacturer-recommended line diameter. Do not overfill spool.

Maintenance Procedures

Regular maintenance ensures optimal performance and longevity.

1. After each use: Clean debris from cutting head and guard.
2. Weekly: Check for loose bolts and parts; tighten as needed.
3. Monthly: Clean air filter (gas); inspect spark plug.
4. Seasonally: Replace trimmer line; lubricate moving parts.
5. Storage: Empty fuel tank (gas) or remove battery.

WARNING! Always disconnect spark plug or power before maintenance.

Safety Features

Built-in safety mechanisms to protect operator.

Safety Lock: Prevents accidental throttle engagement. Guard: Shields operator from debris. Vibration Dampening: Reduces fatigue. Automatic Shut-off: Starts when safety requirements met.

Safety Gear: Always wear safety glasses, gloves, long pants, closed-toe shoes, and hearing protection.

Storage Guidelines

Proper storage extends trimmer life.

1. Clean thoroughly: Remove all grass, dirt, and debris.
2. Fuel (gas models): Empty tank or add fuel stabilizer for long storage.
3. Battery (cordless): Store in cool, dry place at 50% charge.
4. Protect from elements: Store indoors in dry location.
5. Hang vertically: Use hanging hook to prevent damage.

CAUTION! Never store with fuel in tank near heat sources or flames.

Warranty Information

Craftsman String Trimmers come with limited warranty covering defects in materials and workmanship. Gas models typically have 2-year warranty; electric models 3-year. Warranty does not cover normal wear, misuse, or improper maintenance. For warranty service, contact Craftsman Customer Support at 1-888-331-4569 or visit www.craftsman.com. Keep original receipt as proof of purchase.

Troubleshooting

Service: For repairs not covered in manual, contact authorized Craftsman service center.

Support: 1-888-331-4569; www.craftsman.com