Murray 309007x8A Lawn Mower Manual

The Murray 309007x8A is a 20-inch push lawn mower featuring a Briggs & Stratton engine, 3-in-1 mulching/bagging/side-discharge capability, single-lever height adjustment, durable steel deck, easy-start system, and rear-bagging collection. Designed for residential use with standard cutting widths. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Briggs & Stratton engine, 20-inch steel cutting deck, 3-in-1 system, rear bag, height adjustment lever, recoil starter.

Assembly Instructions

Unpack and inspect all parts. Assemble on flat, clear surface.

1. Attach handle: Align lower handle with deck brackets, secure with provided bolts and wrench.
2. Install upper handle: Connect to lower handle, tighten knobs.
3. Attach grass bag: Hook bag onto rear deck brackets, ensure secure fit.
4. Install side-discharge chute (if used): Attach to discharge opening.
5. Check wheels: Ensure all wheels are securely fastened.

WARNING! Wear gloves during assembly. Keep hands clear of cutting blade. Ensure all fasteners are tight before operation.

First-Time Setup

Before first use, complete pre-operation checks.

1. Add engine oil: Use SAE 30 detergent oil, fill to mark on dipstick (approx. 20 oz).
2. Add fuel: Use fresh unleaded gasoline (87 octane minimum). Do not overfill.
3. Check blade: Ensure blade is sharp and securely attached.
4. Adjust cutting height: Set lever to desired position (middle setting recommended for first mow).
5. Test start: Follow starting procedure in open area.

CAUTION! Never add fuel while engine is hot or running. Operate outdoors only.

Specifications

• Model: Murray 309007x8A
• Engine: Briggs & Stratton 125cc, 450 Series
• Cutting Width: 20 inches
• Cutting Height: 1 to 3 inches (6 positions)
• Deck: 20-inch steel, 3-in-1 capability
• Bag Capacity: 1.8 bushels
• Wheels: 8-inch rear, 7-inch front
• Weight: 55 lbs (approx.)
• Fuel Tank: 0.5 gallon
• Oil Capacity: 20 oz

Controls and Operation

Handle controls: Throttle control, drive control bar (if equipped), height adjustment lever.

Starting Procedure:

1. Check oil and fuel levels.
2. Move throttle to FAST position.
3. Prime engine (if equipped) by pressing primer bulb 3 times.
4. Pull recoil starter cord firmly.
5. Allow engine to warm up 30 seconds before mowing.

Stopping: Release drive bar, move throttle to STOP, wait for blade to stop completely.

Cutting & Height Adjustment

Single-lever height adjustment: Move lever to one of 6 positions.

1. Stop engine and wait for blade to stop.
2. Move lever to desired height setting.
3. Test on small area first to ensure proper cutting.

Cutting Options:

• Mulching: Install mulch plug for fine clippings.
• Bagging: Attach rear bag for collection.
• Side Discharge: Install discharge chute for side ejection.

Tip: Mow when grass is dry for best results. Overlap passes slightly for even cut.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

WARNING! Always disconnect spark plug wire before performing maintenance.

Storage Guidelines

Proper storage prevents damage and extends mower life.

1. Clean thoroughly: Remove grass clippings from deck and underside.
2. Fuel management: Either drain tank completely or add fuel stabilizer.
3. Oil: Change oil if due before storage.
4. Blade: Sharpen and coat with light oil to prevent rust.
5. Storage location: Store in dry, covered area away from moisture.

CAUTION! Never store mower with fuel in tank indoors or near open flames.

Safety Information

Read and follow all safety instructions before operation.

• Wear sturdy shoes, eye protection, and long pants.
• Clear mowing area of stones, sticks, and debris.
• Never mow wet grass or in rain.
• Keep children and pets away from mowing area.
• Never reach under deck while engine is running.
• Always push mower forward; never pull backward.
• Use extreme caution on slopes; mow across, not up and down.

DANGER! Rotating blade can cause serious injury. Always disconnect spark plug before maintenance.

Warranty & Support

Murray mowers include limited warranty. Register product online for warranty activation.

• Warranty Period: 2 years limited warranty
• Registration: Register at www.murray.com/register within 30 days of purchase
• Support: For technical assistance, call 1-800-269-6215
• Parts: Genuine Murray parts available through authorized dealers
• Manual Updates: Check website for latest manual revisions

Troubleshooting

Service: For repairs beyond basic maintenance, contact authorized Murray service center.

Support: 1-800-269-6215; www.murray.com