Murray 38443 Lawn Mower Manual

The Murray 38443 is a 21-inch push lawn mower featuring a 3.5 HP Briggs & Stratton engine, single-lever height adjustment (6 positions from 1.5" to 3.75"), 2-in-1 side discharge/mulching capability, durable steel deck, easy-fold handle for storage, and a 2.1 bushel rear grass bag. This manual covers safety, assembly, operation, maintenance, troubleshooting, and specifications to ensure proper and safe use of your mower.

Features at a Glance

Key components: 3.5 HP Briggs & Stratton engine, 21-inch steel cutting deck, single-lever height adjuster, 2-in-1 discharge system, rear grass bag, foldable handle, and recoil start.

Assembly Instructions

Unpack all parts and inspect for damage. Assembly requires basic tools (included).

1. Attach the lower handle: Secure to deck using provided bolts and washers.
2. Install the upper handle: Align with lower handle, insert bolts, and tighten.
3. Attach the grass bag: Hook bag frame onto rear deck brackets.
4. Install the discharge chute: Secure to side discharge opening.
5. Check wheel height: Ensure all wheels are set to the same position.
6. Add oil and fuel: Refer to engine manual for type and capacity.

WARNING! Do not add fuel during assembly or indoors. Ensure all bolts are tightened securely.

First-Time Setup & Operation

Before first use, complete final checks and start the engine.

1. Check oil level: Ensure engine oil is at full mark.
2. Add fresh gasoline: Use unleaded gasoline only. Do not overfill.
3. Set cutting height: Use single lever to adjust all wheels.
4. Select discharge mode: Install mulch plug for mulching, or attach chute for side discharge.
5. Start engine: Set throttle to FAST, pull recoil starter firmly.
6. Begin mowing: Walk at a steady pace, overlapping passes slightly.

CAUTION! Always mow in daylight, clear area of debris, and wear sturdy shoes.

Specifications

• Model: Murray 38443
• Engine: 3.5 HP Briggs & Stratton 4-cycle
• Cutting Width: 21 inches
• Cutting Height Range: 1.5" - 3.75" (6 positions)
• Deck: 21-inch steel, powder-coated
• Discharge: 2-in-1 (side discharge/mulching)
• Grass Bag: 2.1 bushel, rear bagger
• Wheels: 8" front, 10" rear
• Weight: Approx. 55 lbs
• Fuel Tank: Approx. 1 quart
• Oil Capacity: Approx. 20 oz (SAE 30)

Controls and Adjustments

Primary controls: Recoil starter, throttle control, single-lever height adjuster, handle fold lever.

Height Adjustment: Move single lever to one of 6 positions to raise/lower deck. Ensure all wheels lock at same height.

Discharge Mode: For mulching, insert mulch plug into discharge opening. For side discharge, remove plug and attach chute.

Handle Fold: Loosen knobs, fold handle down for storage. Ensure handle is locked upright before use.

Bag Installation: Hook frame onto rear brackets; ensure bag is fully seated to prevent clippings from escaping.

Cutting & Mulching

For best results, mow when grass is dry and adjust height based on season.

1. Set appropriate height: Higher in summer heat, lower in spring/fall.
2. Mulching: Install plug; mower cuts clippings finely and returns them to lawn as fertilizer.
3. Side Discharge: Attach chute; directs clippings to side for collection or dispersal.
4. Bagging: Attach grass bag; empty when full (indicator may show).
5. Overlap passes: Overlap by 2-3 inches for even cut.
6. Avoid scalping: On uneven terrain, use a higher cutting height.

Tip: Never cut more than 1/3 of grass blade length at one time.

Maintenance Schedule

Regular maintenance ensures long life and safe operation.

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

Storage Instructions

Proper storage prevents fuel issues and corrosion.

1. Run engine dry or add fuel stabilizer: To prevent gumming in carburetor.
2. Change oil: At end of season if due.
3. Clean mower: Remove grass, dirt, and debris from deck and underside.
4. Sharpen blade: So it's ready for next season.
5. Fold handle: Lower handle and secure.
6. Store indoors: In a dry, covered location away from moisture.

CAUTION! Store mower and fuel in well-ventilated area away from open flames.

Safety Information

Always follow these safety rules to prevent injury.

• Read manual thoroughly before operation.
• Clear mowing area of sticks, stones, and debris.
• Wear sturdy shoes, eye protection, and long pants.
• Do not mow wet grass or in poor light.
• Never leave mower unattended while running.
• Keep hands and feet away from moving parts.
• Stop engine and disconnect spark plug before unclogging or maintenance.
• Do not allow children to operate mower.
• Use extreme caution on slopes; mow across, not up and down.

Warranty & Support

Murray mowers are backed by a limited warranty. For details, see warranty card included with product.

Customer Support: For parts, manuals, or assistance, contact Murray Customer Service at 1-800-XXX-XXXX or visit www.murray.com. Have model number (38443) and serial number ready.

Parts: Genuine Murray replacement parts are recommended for optimal performance and safety.

Troubleshooting

For Service: Contact authorized Murray service center. Do not attempt repairs beyond your skill level.

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