Murray 22 Push Lawn Mower Manual

The Murray 22 Push Lawn Mower is a reliable, user-friendly mower featuring a 22-inch cutting deck, Briggs & Stratton engine, 3-in-1 cutting system (mulch, bag, side discharge), single-lever height adjustment, durable steel deck, and easy push operation. Designed for residential lawns, it offers efficient grass cutting with minimal effort. Below are key sections for safety, features, assembly, operation, maintenance, troubleshooting, and specifications.

1. Features at a Glance 2. Assembly Instructions 3. Safety Precautions 4. Specifications 5. Controls and Operation 6. Cutting Height Adjustment 7. Maintenance Schedule 8. Engine Care 10. Storage Instructions 11. Warranty Information 12. Troubleshooting

Features at a Glance

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

FeatureDescription
Cutting Deck22-inch steel deck for wide cutting path
EngineBriggs & Stratton engine for reliable power
3-in-1 Cutting SystemMulch, bag, or side discharge grass clippings
Height AdjustmentSingle-lever adjusts all wheels simultaneously
Rear BagLarge-capacity grass collection bag
Mulch PlugConverts mower to mulching mode
Side DischargeChute for ejecting clippings to the side
WheelsDurable plastic wheels for easy maneuverability
HandleFoldable handle for compact storage
BladeHigh-lift steel blade for efficient cutting

Assembly Instructions

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

  1. Attach handle: Align handle brackets with deck mounts; secure with bolts and wing nuts.
  2. Install wheels: Slide wheels onto axles; secure with push nuts or washers.
  3. Attach grass bag: Hook bag onto rear deck mounts; ensure secure fit.
  4. Install mulch plug (if using): Insert plug into rear discharge opening.
  5. Add oil and fuel: Follow engine manual for initial oil and fuel fill.

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

Safety Precautions

Always prioritize safety when operating the mower.

  1. Read manual thoroughly before use.
  2. Clear mowing area of debris, rocks, and toys.
  3. Wear sturdy shoes, eye protection, and long pants.
  4. Do not mow wet grass or in poor visibility.
  5. Keep hands and feet away from moving parts.
  6. Turn off engine before adjusting height or clearing blockages.
  7. Never leave mower unattended with engine running.

CAUTION! Gasoline is flammable; refuel outdoors with engine off and cool.

Specifications

Controls and Operation

Start/Stop: Recoil starter, engine stop lever. Handle: Foldable with comfort grip.

Starting: 1. Check oil and fuel. 2. Push primer bulb 3 times (cold engine). 3. Set throttle to FAST. 4. Pull recoil starter firmly. Stopping: Release stop lever.

Operation: Push mower at steady pace; overlap passes slightly for even cut. Use bag for collection, mulch for nutrient return, or side discharge for large areas.

Cutting Height Adjustment

Single-lever adjusts all four wheels simultaneously.

  1. Stop engine and ensure blade has stopped.
  2. Pull lever outward and move to desired height setting (1.5 to 4 inches).
  3. Release lever to lock in position.
  4. Test on small area to ensure desired cut.

Tip: Higher settings for longer grass; lower for fine lawns. Avoid cutting more than 1/3 of grass height at once.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

TaskFrequency
Check oil levelBefore each use
Clean underside of deckAfter each use
Sharpen or replace bladeEvery 25 hours or as needed
Replace air filterEvery season or 25 hours
Change oilFirst 5 hours, then every 50 hours
Check spark plugEvery season or 100 hours
Lubricate wheels and height adjusterEvery season
Inspect for loose boltsMonthly

Engine Care

Refer to Briggs & Stratton manual for detailed engine maintenance.

  1. Oil: Check level with dipstick; add SAE 30 as needed. Change oil when dirty.
  2. Air Filter: Clean foam filter with soapy water; replace paper filter if dirty.
  3. Fuel: Use fresh unleaded gasoline; add fuel stabilizer for storage.
  4. Spark Plug: Clean and gap to 0.030 inches; replace if worn.
  5. Carburetor: Adjust if engine runs poorly; consult manual for settings.

WARNING! Disconnect spark plug wire before performing any engine maintenance.

Storage Instructions

Prepare mower for off-season storage.

  1. Clean mower thoroughly, especially underside.
  2. Drain fuel or add stabilizer and run engine for 5 minutes.
  3. Change oil and replace air filter.
  4. Remove spark plug, add teaspoon of oil, pull starter slowly, reinstall plug.
  5. Store in dry, covered area; cover mower to prevent dust.

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

Warranty Information

Murray 22 Push Mower includes a 2-year limited warranty covering defects in materials and workmanship. Warranty does not cover normal wear, misuse, or lack of maintenance. For warranty claims, contact Murray customer service with proof of purchase. Keep this manual and receipt for reference.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startNo fuel, old gas, clogged filter, bad spark plugCheck fuel; use fresh gas; clean/replace air filter; check spark plug.
Engine runs poorlyDirty air filter, old fuel, carburetor issueClean air filter; drain old fuel; adjust carburetor.
Uneven cuttingDull blade, uneven tire pressure, deck cloggedSharpen/replace blade; check tire pressure; clean deck.
Mower vibrates excessivelyLoose blade, bent blade, debris in deckTighten blade bolts; replace bent blade; clean deck.
Grass not dischargingWet grass, deck clogged, dull bladeMow when dry; clean deck; sharpen blade.
Wheels not turning smoothlyDebris in axles, lack of lubricationClean axles; lubricate with light oil.

Service: For repairs, contact authorized Murray service center or call 1-800-MURRAY-1. Visit www.murray.com for support.

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