Murray M2255FC Lawn Mower Manual

The Murray M2255FC is a 22-inch, 5.5 horsepower, front-engine, self-propelled walk-behind lawn mower featuring a Briggs & Stratton engine, 3-in-1 cutting system (mulch/bag/side discharge), 6-position single-lever height adjustment, 2-year limited warranty, and durable steel deck. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Briggs & Stratton 5.5 HP engine, 22-inch steel cutting deck, Self-Propel drive system, 3-in-1 cutting system, Single-lever height adjustment, Rear bagger, Mulching plug, Side discharge chute.

Assembly Instructions

Unpack and inspect all parts against the included parts list.

1. Attach the handle: Align lower handle with deck brackets, secure with provided bolts and washers.
2. Install the upper handle: Connect to lower handle, tighten wing nuts.
3. Attach the grass bag: Hook bag frame onto rear deck brackets, ensure it clicks into place.
4. Install the side discharge chute (if not using bag/mulch): Attach to deck opening.
5. Insert the mulching plug (for mulching mode): Place into rear discharge opening.
6. Add engine oil and gasoline: Follow engine manual specifications.

WARNING! Always wear gloves during assembly. Ensure all fasteners are tight before operation.

First-Time Operation

Before starting, perform pre-operation checks.

1. Check oil level: Ensure oil is at the full mark on the dipstick.
2. Add fuel: Use fresh, unleaded gasoline. Do not overfill.
3. Adjust cutting height: Set the single lever to desired position.
4. Select cutting mode: Install bag, mulching plug, or side chute as needed.
5. Start the engine: Set throttle to FAST, pull recoil starter firmly.
6. Engage self-propel: Squeeze the drive control lever to the handle to move forward.

CAUTION! Clear mowing area of stones, sticks, and debris. Never operate without the discharge chute, bag, or mulching plug properly installed.

Specifications

• Model: M2255FC
• Engine: Briggs & Stratton 5.5 HP, 4-cycle
• Cutting Width: 22 inches
• Cutting Heights: 6 positions, 1.5" to 3.75"
• Drive System: Front-wheel self-propelled
• Cutting System: 3-in-1 (Mulch, Bag, Side Discharge)
• Deck Material: Steel
• Fuel Type: Unleaded gasoline (87 octane or higher)
• Oil Type: SAE 30 detergent motor oil (above 40°F)
• Warranty: 2-year limited warranty

Controls and Settings

Handle Controls: Drive control lever, Throttle control, Recoil starter grip, Height adjustment lever.

Operation: Squeeze drive lever to engage self-propel. Release to stop. Set throttle to FAST for mowing, SLOW for idling. Use height lever to adjust cutting height.

Cutting Mode Selection: Bagging - attach rear bag. Mulching - install mulching plug. Side Discharge - attach side chute.

Cutting System Setup

Configure for desired grass disposal method.

1. For Bagging: Attach rear bag assembly. Ensure chute deflector is in raised position.
2. For Mulching: Install mulching plug into rear discharge opening. Remove side chute and bag.
3. For Side Discharge: Attach side discharge chute to deck opening. Remove bag and mulching plug.

Tip: Always stop engine and disconnect spark plug wire before changing cutting mode.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

1. Before each use: Check oil level, inspect for loose fasteners, clear deck of debris.
2. Every 25 hours: Change engine oil (or annually).
3. Every season: Replace air filter, check/replace spark plug.
4. As needed: Sharpen or replace mower blade, check drive belt tension.
5. Storage: Run engine dry of fuel or add fuel stabilizer.

WARNING! Always disconnect spark plug wire before performing any maintenance.

Safety Features

Blade Brake Clutch (BBC): Stops blade within 3 seconds when handle is released. Safety Key/Interlock: Prevents engine starting unless drive control is disengaged. Discharge Guard: Required attachment for safe operation.

Storage & Winterization

Prepare mower for extended storage, especially over winter.

1. Clean underside of deck thoroughly.
2. Drain fuel or add fuel stabilizer and run engine for 5 minutes.
3. Change engine oil.
4. Remove spark plug, add 1 tablespoon of oil into cylinder, pull starter slowly to coat, reinstall plug.
5. Store in a clean, dry place, covered.

CAUTION! Gasoline is flammable. Allow engine to cool completely before storage.

Regulatory Information

This lawn mower complies with ANSI/OPEI B71.1-2017 safety standards. Engine meets EPA Phase 3 emission standards. Copyright © Murray LLC. For support, visit www.murray.com or contact customer service at 1-800-XXX-XXXX. Always refer to the separate engine manual for specific engine details and warranty.

Troubleshooting

Reset: For safety interlock issues, ensure all controls are in proper start position.

Service: 1-800-XXX-XXXX; www.murray.com