Murray YARD KING ELT155420GF Lawn Mower Manual

The Murray YARD KING ELT155420GF is a 15.5 HP, 42-inch cutting width, rear-engine riding lawn tractor with a 5-speed manual transmission, electric start, and a 4-gallon fuel capacity. It features a Briggs & Stratton engine, a 3-in-1 side discharge/mulching/bagging system, adjustable cutting height (1.5-4 inches), a comfortable high-back seat, and a 2-year limited warranty. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: 15.5 HP Briggs & Stratton engine, 42-inch stamped steel deck, 5-speed manual transmission, Electric start with key, High-back seat, 4-gallon fuel tank, 3-in-1 discharge system.

Assembly Instructions

Unpack and inspect all parts. Assembly requires basic tools (wrenches, screwdriver).

1. Install steering wheel: Align and tighten bolt.
2. Attach seat: Mount using provided bolts and washers.
3. Install battery: Connect red (+) then black (-) terminals.
4. Attach cutting deck: Align with mounting points and secure with pins.
5. Add fluids: Fill engine with SAE 30 oil (check dipstick). Add fresh unleaded gasoline.

WARNING! Always disconnect spark plug wire during assembly to prevent accidental starting. Ensure all bolts are tightened securely.

First-Time Operation

Before first use, perform pre-operation checks.

1. Check oil level: Ensure oil is at full mark on dipstick.
2. Check fuel: Fill tank with fresh unleaded gasoline (no ethanol recommended).
3. Check tire pressure: Inflate to 15 PSI (front) and 10 PSI (rear).
4. Adjust seat: Position for comfortable reach to controls.
5. Start engine: Insert key, set parking brake, engage choke (if cold), turn key to start.
6. Engage blades: With engine running, pull deck engagement lever slowly.

CAUTION! Operate only in clear, dry conditions. Keep hands and feet away from moving parts.

Specifications

• Model: YARD KING ELT155420GF
• Engine: 15.5 HP Briggs & Stratton, OHV
• Cutting Width: 42 inches
• Transmission: 5-speed manual
• Fuel Type: Unleaded gasoline (87 octane or higher)
• Fuel Capacity: 4 gallons
• Cutting Height Range: 1.5 - 4 inches (6 positions)
• Deck Type: Stamped steel, 3-in-1
• Starting: Electric key start with recoil backup
• Warranty: 2-year limited

Controls and Settings

Dashboard: Ignition key, headlight switch, hour meter. Steering: Tilt wheel. Floor: Clutch/brake pedal, gear shift lever (1-5, R), deck engagement lever, cutting height adjuster.

Operation: Set parking brake before starting. Use clutch to change gears. Engage deck only at full throttle. Adjust cutting height via lever (check manual for positions).

Settings: Throttle control (fast/slow), choke (cold starts), parking brake lever, headlight switch.

Cutting System Setup

Configure for side discharge, mulching, or bagging.

1. Side discharge: Install discharge chute (standard setup).
2. Mulching: Install mulching plug (included).
3. Bagging: Attach bagger kit (sold separately).
4. Adjust cutting height: Use lever to select desired height (1.5-4 inches).
5. Level deck: Check manual for leveling procedure to ensure even cut.

Tip: Always shut off engine and remove key before changing deck configuration.

Maintenance Schedule

Regular maintenance ensures longevity and performance.

1. Before each use: Check oil, fuel, tire pressure, and for debris.
2. Every 8 hours: Clean deck underside, check blade sharpness.
3. Every 25 hours: Change oil (first change at 5 hours), check air filter.
4. Every 50 hours: Replace air filter, check spark plug.
5. Every 100 hours: Replace spark plug, check drive belt tension.
6. Seasonal: Sharpen or replace blades, lubricate moving parts, check battery.

WARNING! Always disconnect spark plug before performing any maintenance.

Storage Guidelines

Prepare mower for off-season storage.

1. Run engine to warm oil, then drain and refill with fresh oil.
2. Add fuel stabilizer to tank, run engine for 5 minutes to circulate.
3. Disconnect battery and store in cool, dry place.
4. Clean entire mower, especially deck underside.
5. Store in dry, covered area, preferably on level surface.

CAUTION! Never store with gasoline in tank without stabilizer. Keep away from open flames.

Safety Information

Read and follow all safety instructions in manual.

• Wear sturdy shoes, eye protection, and long pants.
• Clear mowing area of debris, toys, and obstacles.
• Never carry passengers.
• Do not mow on slopes greater than 15 degrees.
• Shut off engine and remove key before leaving operator's position.
• Keep hands and feet away from rotating blades.

DANGER! Rotating blades can cause severe injury. Always be aware of your surroundings.

Warranty Details

Murray provides a 2-year limited warranty for residential use. Warranty covers defects in materials and workmanship. Not covered: normal wear, misuse, neglect, commercial use, or improper maintenance. To make a claim, contact Murray customer service with proof of purchase. For support, visit www.murray.com or call 1-800-800-7310.

Troubleshooting

Reset: For electrical issues, disconnect battery for 5 minutes then reconnect.

Service: 1-800-800-7310; www.murray.com