Craftsman Model CMXGWA5020733 Owners Manual

The Craftsman Model CMXGWA5020733 is a high-performance gas-powered lawn mower designed for residential use. It features a powerful Briggs & Stratton engine, 21-inch steel cutting deck, 3-in-1 mulching/bagging/side discharge capability, single-lever height adjustment, easy-start system, and durable construction. 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 9. Safety Information 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: Briggs & Stratton engine, 21-inch steel deck, rear bagger, mulching plug, side discharge chute, single-lever height adjustment, recoil start system.

FeatureDescription
EngineBriggs & Stratton 140cc OHV engine with easy-start technology
Cutting Deck21-inch stamped steel deck with reinforced edges
Cutting Options3-in-1 system: Mulch, Bag, or Side Discharge
Height AdjustmentSingle-lever control with 6 positions (1.5" to 4")
Drive SystemRear-wheel drive with variable speed control
Fuel Tank1.1-gallon capacity with easy-fill spout
HandleFoldable steel handle with cushioned grips
Wheels8-inch rear wheels, 7-inch front wheels
Safety FeaturesBlade brake clutch system, safety key
Warranty2-year limited warranty

Assembly Instructions

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

  1. Attach handle: Align handle brackets with deck mounts, secure with provided bolts and wrench.
  2. Install wheels: Insert axle through wheel hubs, secure with retaining clips.
  3. Attach grass bag: Connect bagger frame to rear deck hooks, install fabric bag.
  4. Install mulching plug: Insert plug into rear discharge opening when mulching.
  5. Add oil and fuel: Fill engine with SAE 30 oil (20 oz), add unleaded gasoline (87 octane minimum).

WARNING! Do not add fuel indoors or near open flames. Wear protective gloves during assembly.

First-Time Setup

Complete assembly, then prepare for first use.

  1. Check oil level: Ensure oil is at full mark on dipstick.
  2. Add fuel: Fill tank with fresh unleaded gasoline (no more than 30 days old).
  3. Inspect blade: Ensure cutting blade is properly installed and tightened.
  4. Test controls: Verify height adjustment lever moves smoothly through all positions.
  5. Start engine: Insert safety key, set choke, pull recoil starter slowly until resistance, then briskly.

CAUTION! Always start mower outdoors in well-ventilated area. Keep hands and feet away from cutting deck.

Specifications

Controls and Operation

Main controls: Recoil starter, throttle control, drive control lever, height adjustment lever, safety key.

Starting Procedure:

  1. Insert safety key into slot near handle.
  2. Move throttle control to FAST position.
  3. Set choke to CLOSED if engine is cold.
  4. Pull recoil starter briskly until engine starts.
  5. Move choke to OPEN after engine warms (30 seconds).

Operating Tips: Mow when grass is dry. Overlap passes by 2-3 inches. Change cutting pattern weekly to prevent ruts.

Cutting Height Adjustment

Single-lever adjustment changes all four wheels simultaneously.

  1. Stop mower and engine completely.
  2. Pull height adjustment lever outward to release lock.
  3. Move lever to desired position (1-6 corresponding to height settings).
  4. Release lever to lock in position.
  5. Test by pushing mower to ensure all wheels are at same height.

Recommended Settings: 2.5"-3" for most grasses, 3.5"-4" during hot/dry conditions.

Maintenance Schedule

Maintenance TaskFrequency
Check oil levelBefore each use
Check air filterEvery 25 hours
Sharpen/replace bladeEvery 25 hours or when dull
Change oilFirst 5 hours, then every 50 hours
Replace spark plugEvery 100 hours
Clean under deckAfter each use
Check tire pressureMonthly
Lubricate wheels/axlesEvery 50 hours

Note: Always disconnect spark plug wire before performing maintenance.

Storage Guidelines

Proper storage extends mower life and prevents starting issues.

  1. Clean thoroughly: Remove grass clippings from deck, wheels, and engine.
  2. Fuel preparation: Add fuel stabilizer to tank, run engine 5 minutes, or drain tank completely.
  3. Oil change: Consider changing oil before seasonal storage.
  4. Battery (if electric start): Remove and store in cool, dry place.
  5. Storage location: Store in dry, covered area, protected from elements.

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

Safety Information

DANGER! Rotating blade can cause severe injury or death.

Warranty Information

Craftsman Model CMXGWA5020733 is covered by a 2-year limited warranty against defects in materials and workmanship when used for normal residential purposes. Warranty begins at date of purchase. Keep original receipt as proof of purchase.

What's Covered: Engine components, deck, transmission, wheels.

What's Not Covered: Normal wear items (blades, belts, cables), damage from misuse, neglect, accidents, commercial use.

For warranty service, contact Craftsman Customer Support at 1-888-331-4569 or visit www.craftsman.com.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startNo fuel, old fuel, clogged air filter, safety key not insertedAdd fresh fuel, clean/replace air filter, ensure safety key is inserted
Engine runs poorlyDirty spark plug, old fuel, clogged carburetorClean/replace spark plug, use fresh fuel, clean carburetor
Uneven cuttingDull blade, uneven tire pressure, deck not levelSharpen/replace blade, check tire pressure, level deck
Excessive vibrationLoose blade, bent blade, debris under deckTighten blade bolts, replace bent blade, clean under deck
Won't driveDrive cable loose, transmission issueAdjust drive cable, check transmission linkage
Grass not baggingFull bag, wet grass, clogged chuteEmpty bag, mow when dry, clear discharge chute

Technical Support: 1-888-331-4569 (Monday-Friday 8am-8pm EST)

Parts & Manuals: www.craftsman.com/parts

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