Craftsman 18 in 42cc Chainsaw User Manual

The Craftsman 18 in 42cc Chainsaw is a powerful, gas-powered tool designed for cutting firewood, pruning trees, and general property maintenance. It features a 42cc 2-cycle engine, an 18-inch Oregon bar and chain, automatic oiling system, anti-vibration handles, and a quick-stop chain brake for safety. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: 42cc 2-cycle engine, 18-inch Oregon bar and chain, automatic chain oiler, anti-vibration system, chain brake, throttle lock, primer bulb, and side-access chain tensioner.

Assembly & Setup

Unpack and inspect all parts. Assemble on a clean, flat surface.

1. Attach the guide bar and chain: Place bar on mounting studs, loop chain over sprocket, align with bar grooves, tighten nuts.
2. Install the chain brake handle: Slide onto handlebar, secure with provided bolts.
3. Fill with fuel/oil: Use proper 2-cycle mix (see Fuel section); fill chain oil reservoir.
4. Adjust chain tension: Use side-access adjuster until chain snaps back when pulled.

WARNING! Always wear cut-resistant gloves during assembly. Ensure chain is installed with cutting teeth facing forward.

Safety Instructions

Read all instructions before use. Failure to follow may cause serious injury.

1. Always wear PPE: Safety glasses, hearing protection, gloves, steel-toe boots, and chainsaw chaps.
2. Clear work area: Remove tripping hazards; keep bystanders at least 15 feet away.
3. Check chain brake: Test before each use by pushing handle forward.
4. Use proper stance: Stand firmly with feet shoulder-width apart.
5. Never operate above shoulder height or on a ladder.
6. Kickback zone: Avoid contact with upper quarter of bar tip.

CAUTION! Chain continues to rotate after throttle release. Allow to idle before setting down.

Specifications

• Engine Displacement: 42cc (2.6 cu in).
• Power Output: 2.2 HP @ 9000 RPM.
• Fuel: Gasoline + 2-cycle oil mix (50:1 ratio).
• Bar Type: Oregon 18-inch laminated sprocket nose.
• Chain Speed: Max 55 ft/sec.
• Ignition: Electronic CDI.
• Starting System: Recoil with primer bulb.
• Warranty: 2-year limited warranty.
• Compliance: Meets ANSI B175.1 and EPA Phase III standards.

Controls and Components

Main Controls: Throttle trigger, throttle lockout, choke, primer bulb, stop switch, chain brake handle.

Handle Area: Front handle with chain brake, rear handle with throttle trigger, fuel/oil caps.

Operation: Pull choke for cold start, press primer bulb 5x, set stop switch to ON, pull starter cord. Release choke after engine fires. Throttle lockout must be depressed to engage throttle. Chain brake stops chain instantly if activated.

Fuel & Oil

Fuel Mix: Use 89+ octane unleaded gasoline mixed with 2-cycle engine oil at 50:1 ratio (2.6 oz oil per 1 gal gas).

1. Use clean, approved fuel container.
2. Mix fuel and oil thoroughly before filling.
3. Fill fuel tank to 90% capacity to allow for expansion.
4. Chain Oil: Use SAE 30 or dedicated chainsaw bar oil. Fill reservoir before each use.

Tip: Never use automotive motor oil or fuel older than 30 days. Store fuel in a cool, dry place.

Starting & Operation

Starting Procedure (Cold Engine):

1. Place on flat ground, clear of debris.
2. Engage chain brake by pushing handle forward.
3. Set stop switch to ON position.
4. Pull choke lever to FULL position.
5. Press primer bulb 5 times.
6. Hold front handle with left hand, place right foot in rear handle.
7. Pull starter cord briskly 3-5 times until engine fires.
8. Push choke to HALF position, pull cord until engine starts.
9. Warm up at idle for 30 seconds before cutting.

WARNING! Never drop-start or start above waist height. Keep hands clear of chain during starting.

Chain Maintenance

Sharpening: Use 5/32" round file and file guide. Maintain 30° top plate angle. File each cutter equally.

Tension: Chain should be snug against bar but pull freely. Adjust when chain sags away from bar.

Lubrication: Check oil flow by running saw over light surface; look for oil line. Clean oil ports weekly.

Storage & Care

Long-Term Storage:

1. Drain fuel tank and run engine until it stops.
2. Remove spark plug, add 1 tsp oil through hole, pull starter 2x, reinstall plug.
3. Clean air filter, bar groove, and sprocket.
4. Loosen chain tension and store in dry place.

CAUTION! Never store with fuel in tank for more than 30 days. Keep away from open flames.

Warranty Information

Craftsman 18 in 42cc Chainsaw is covered by a 2-year limited warranty from date of purchase against defects in materials/workmanship. Warranty does not cover normal wear, misuse, or improper maintenance. For warranty service, contact 1-888-331-4569 or visit www.craftsman.com. Keep original receipt as proof of purchase.

Troubleshooting

Service: For repairs, contact authorized Craftsman service center. Do not attempt to repair ignition or fuel system unless qualified.

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