Craftsman Model CMXGWAS020733 Owner's Manual

The Craftsman Model CMXGWAS020733 is a high-performance gas-powered walk-behind lawn mower designed for residential use. It features a Briggs & Stratton engine, 21-inch steel cutting deck, 3-in-1 mulching/bagging/side discharge capability, single-lever height adjustment, and easy-start technology. 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 Height Adjustment 7. Maintenance Schedule 8. Storage Guidelines 10. Safety Information 11. Warranty & Support 12. Troubleshooting

Features at a Glance

Key components: Briggs & Stratton engine, 21-inch steel deck, rear bagger, mulching plug, side discharge chute, single-lever height adjuster, recoil starter, and fuel tank.

FeatureDescription
EngineBriggs & Stratton 140cc OHV engine
Cutting Width21 inches
Cutting DeckSteel, 3-in-1 (mulch/bag/side discharge)
Height AdjustmentSingle-lever, 6 positions (1.5" - 3.75")
StarterRecoil (easy-start technology)
Fuel Tank0.75-gallon capacity
Wheels8-inch rear, 7-inch front
Drive SystemPush-powered (no self-propulsion)
WeightApproximately 65 lbs
Warranty2-year limited warranty

Assembly Instructions

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

  1. Attach handle: Align lower handle with deck brackets, secure with bolts and wing nuts.
  2. Install upper handle: Connect to lower handle, tighten knobs.
  3. Attach grass bag: Hook bag frame onto rear deck brackets.
  4. Install side discharge chute (if not using bagger/mulcher): Snap into place on deck opening.
  5. Insert mulching plug (for mulching): Place into rear discharge opening.
  6. Add engine oil: Use SAE 30 detergent oil (approx. 20 oz).
  7. Add fuel: Use fresh unleaded gasoline (87 octane or higher).

WARNING! Do not add fuel or oil indoors. Keep away from sparks or flames. Ensure all fasteners are tight.

First-Time Setup

Before first use, complete pre-operation checks.

  1. Check oil level: Ensure oil is at full mark on dipstick.
  2. Check fuel: Fill tank with fresh unleaded gasoline.
  3. Inspect blade: Ensure sharpness and secure mounting.
  4. Adjust cutting height: Set lever to desired position.
  5. Test start: Pull recoil starter slowly until resistance is felt, then briskly.

CAUTION! Always start mower outdoors. Keep hands and feet away from moving parts.

Specifications

Controls and Operation

Handle Controls: Recoil starter rope, drive control bail (safety handle), height adjustment lever.

Starting: 1. Push primer bulb 3 times (cold engine). 2. Set throttle to FAST. 3. Pull recoil starter. Stopping: Release drive control bail; engine stops. Operation: Push mower forward at steady pace; overlap passes for even cut.

Cutting Modes: Bagging (install bag), Mulching (install plug), Side Discharge (install chute).

Cutting Height Adjustment

Single-lever adjustment for all four wheels.

  1. Stop engine and wait for blade to stop.
  2. Pull lever outward and move to desired height setting (1-6).
  3. Release lever to lock into position.
  4. Settings: 1 (1.5"), 2 (2"), 3 (2.5"), 4 (2.75"), 5 (3.25"), 6 (3.75").

Tip: For first cut of season or overgrown grass, use highest setting.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

IntervalTask
Before each useCheck oil level, inspect blade, clear deck of debris
Every 25 hoursChange engine oil (or seasonally)
Every seasonReplace air filter, spark plug
As neededSharpen or replace blade, check tire pressure
StorageDrain fuel or add stabilizer

WARNING! Disconnect spark plug wire before performing any maintenance.

Storage Guidelines

Prepare mower for off-season storage.

  1. Drain fuel or add fuel stabilizer and run engine 5 minutes.
  2. Change engine oil.
  3. Clean underside of deck thoroughly.
  4. Remove spark plug, add 1 teaspoon oil into cylinder, pull starter slowly, reinstall plug.
  5. Store in clean, dry place, covered.

CAUTION! Gasoline left in tank can degrade and damage engine.

Safety Information

Read and understand all safety rules before operation.

DANGER! Rotating blade can cause severe injury. Always disconnect spark plug for service.

Warranty & Support

Craftsman Model CMXGWAS020733 is covered by a 2-year limited warranty against defects in materials or workmanship. Proof of purchase required. Warranty does not cover normal wear, misuse, or lack of maintenance.

For technical support, parts, or warranty service: Call 1-888-331-4569 or visit www.craftsman.com.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startNo fuel, old gas, clogged air filter, spark plugAdd fresh fuel; clean/replace air filter; check/replace spark plug.
Engine runs poorlyDirty air filter, old fuel, carburetor issueClean air filter; drain and replace fuel; consult service.
Uneven cutDull blade, uneven tire pressure, low speedSharpen blade; inflate tires evenly; maintain steady pace.
Excessive vibrationLoose blade, bent blade, debrisTighten blade bolt; replace bent blade; clean deck.
Bag not fillingWet grass, deck clogged, engine speed lowMow when dry; clean deck; run at full throttle.

Reset: For engine safety switch issues, ensure drive control bail is fully engaged.

Service: 1-888-331-4569; www.craftsman.com

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