Murray 226112x52A Lawn Mower Manual

The Murray 226112x52A is a 22-inch, 6.5 HP Briggs & Stratton powered push lawn mower with a 52-inch cutting deck, featuring a 3-in-1 mulching/bagging/side-discharge system, single-lever height adjustment, durable steel deck, and easy-start engine. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly Instructions 3. First-Time Setup 4. Specifications 5. Controls and Operation 6. Cutting System Setup 7. Maintenance Schedule 8. Storage Guidelines 10. Safety Information 11. Warranty & Support 12. Troubleshooting

Features at a Glance

Key components: 6.5 HP Briggs & Stratton engine, 22-inch steel cutting deck, 3-in-1 discharge system, single-lever height adjustment, rear bagger, and durable 10-inch wheels.

FeatureDescription
Engine6.5 HP Briggs & Stratton, 4-cycle, overhead valve
Cutting Width22 inches
Cutting Height1.5 to 4 inches (6 positions)
Discharge System3-in-1 (Mulch, Bag, Side-Discharge)
Deck MaterialDurable steel construction
Wheels10-inch rear, 8-inch front
Starting SystemRecoil pull-start
Fuel Tank Capacity1.0 quart
WeightApprox. 65 lbs
Warranty2-year limited

Assembly Instructions

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

  1. Attach handle: Align handle brackets with deck mounts, secure with provided bolts and wing nuts.
  2. Install wheels: Insert axle through deck brackets, attach wheels with washers and retaining clips.
  3. Attach discharge chute: Align with deck opening, secure with mounting hardware.
  4. Install grass bag: Attach bag frame to rear deck hooks, ensure bag is properly seated.
  5. Add oil and fuel: Fill engine with SAE 30 oil (check dipstick), add fresh unleaded gasoline.

WARNING! Wear gloves during assembly. Ensure all bolts are tightened securely.

First-Time Setup

Before first use, complete pre-operation checks.

  1. Check oil level: Ensure oil is at full mark on dipstick.
  2. Add fuel: Use fresh unleaded gasoline (87 octane or higher).
  3. Adjust cutting height: Set single lever to desired position (test on a small area first).
  4. Test operation: Start engine in a clear, open area, engage blade control, and mow a test strip.

CAUTION! Never add fuel while engine is hot or running. Allow engine to cool completely.

Specifications

Controls and Operation

Main controls: Engine throttle, blade control lever, drive control bar (if self-propelled model), 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 firmly.

Operating Tips: Mow at steady pace, overlap passes by 2-3 inches, avoid mowing wet grass. Always disengage blade before crossing driveways or gravel.

Cutting System Setup

Configure 3-in-1 system based on your needs.

  1. Mulching: Install mulch plug, close side discharge opening.
  2. Bagging: Attach grass bag, ensure chute is open.
  3. Side-Discharge: Remove mulch plug, attach discharge chute.

Height Adjustment: Use single lever to raise/lower all four wheels simultaneously. For best results, never cut more than 1/3 of grass height at once.

Maintenance Schedule

IntervalTask
Before each useCheck oil level, inspect blade for damage, clear deck of debris
Every 25 hoursChange engine oil, check air filter, inspect spark plug
Every 50 hoursReplace air filter, sharpen/replace blade, check wheel bolts
Season endDrain fuel or add stabilizer, clean entire mower, store properly

Blade Sharpening: Disconnect spark plug, remove blade, sharpen at 30-degree angle, balance before reinstalling.

Storage Guidelines

Proper storage extends mower life.

  1. Clean thoroughly: Remove grass clippings from deck, wheels, and engine.
  2. Fuel management: Either drain tank completely or add fuel stabilizer and run engine for 5 minutes.
  3. Store indoors: Keep in dry, covered area away from moisture.
  4. Protect engine: Consider fogging oil for long-term storage.

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

Safety Information

Always: Read manual before operation. Wear sturdy shoes and eye protection. Clear mowing area of debris. Keep children and pets away. Disconnect spark plug before maintenance.

Never: Mow on steep slopes. Remove safety devices. Operate without grass bag or discharge chute properly installed. Allow children to operate mower.

Warranty & Support

Murray 226112x52A includes a 2-year limited warranty covering defects in materials and workmanship. Warranty does not cover normal wear, misuse, or lack of maintenance. For support, contact Murray Customer Service at 1-800-800-7310 or visit www.murray.com. Have model and serial numbers ready (located on engine housing).

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startNo fuel, old gas, clogged filterAdd fresh fuel, check fuel line, clean/replace air filter.
Engine runs poorlyDirty air filter, old fuelReplace air filter, drain and add fresh gasoline.
Uneven cuttingDull blade, uneven tire pressureSharpen/replace blade, check tire pressure.
Excessive vibrationLoose blade, bent bladeTighten blade bolt, replace bent blade.
Grass not dischargingWet grass, clogged deckWait for grass to dry, clean underside of deck.

For Service: Authorized service centers listed at www.murray.com. Always use genuine Murray parts.

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