Craftsman 19 HP 42 Riding Mower Manual

The Craftsman 19 HP 42 Riding Mower is a powerful lawn tractor featuring a 19 horsepower Briggs & Stratton engine, a 42-inch cutting deck, hydrostatic transmission, electric start, cruise control, and a comfortable high-back seat. Designed for residential use on medium to large lawns, it includes key components for operation, maintenance, and safety. Below are essential sections covering safety, features, assembly, operation, maintenance, troubleshooting, and specifications.

1. Features at a Glance 2. Assembly & Setup 3. Controls and Operation 4. Specifications 5. Maintenance Schedule 6. Cutting Deck Adjustment 7. Engine Care 8. Safety Features 9. Storage & Winterization 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: 19 HP Briggs & Stratton engine, 42-inch stamped steel cutting deck, Hydrostatic transmission, Electric start with key, Cruise control, High-back seat, Headlights, Cup holder, Mulching capability (kit optional).

FeatureDescription
Engine19 HP Briggs & Stratton, single-cylinder, overhead valve
Cutting Deck42-inch, 3-blade, stamped steel with adjustable height
TransmissionHydrostatic, foot-pedal controlled
Starting SystemElectric key start with 12V battery
SeatHigh-back, adjustable, with armrests
Blade EngagementElectric PTO (Power Take-Off) switch
Cutting HeightAdjustable from 1.5 to 4 inches
Fuel Tank2.5-gallon capacity
HeadlightsIntegrated for low-light operation
Drive SystemRear-wheel drive with differential lock

Assembly & Setup

Unpack and inspect all parts. Assembly requires basic tools.

  1. Install steering wheel: Align and tighten bolt.
  2. Attach seat: Mount using provided bolts and washers.
  3. Connect battery: Attach red (+) then black (-) cables.
  4. Install cutting deck: Align with mounting points and secure with pins.
  5. Check tire pressure: Inflate to 14 PSI (front) and 10 PSI (rear).
  6. Add engine oil: Use SAE 30 (approx. 48 oz) as specified.
  7. Add fuel: Use fresh unleaded gasoline (87 octane or higher).

WARNING! Mower is heavy; use assistance during assembly. Ensure all bolts are tightened securely.

Controls and Operation

Familiarize yourself with controls before starting.

  1. Pre-start checklist: Check oil, fuel, tire pressure, and clear deck of debris.
  2. Starting: Sit on seat, set parking brake, disengage PTO, turn key to START.
  3. Driving: Release parking brake, press forward pedal to go forward, reverse pedal to reverse.
  4. Engaging blades: Ensure area is clear, then pull up PTO switch.
  5. Stopping: Disengage PTO, set parking brake, turn key to OFF.
  6. Cruise control: Engage at desired speed using cruise lever.

CAUTION! Always operate from the seat. Keep hands and feet away from moving parts.

Specifications

Maintenance Schedule

Regular maintenance ensures longevity and performance.

IntervalTask
Before each useCheck tire pressure, fuel level, clear deck of debris
Every 8 hoursCheck engine oil level
Every 25 hoursChange engine oil (first change at 8 hours), check air filter
Every 50 hoursReplace air filter, check spark plug, lubricate fittings
Every 100 hoursReplace spark plug, check drive belt tension
SeasonallySharpen blades, check battery, clean deck

Tip: Always refer to the engine manual for specific engine maintenance.

Cutting Deck Adjustment

Proper deck adjustment ensures even cutting.

  1. Park on level surface, disengage PTO, set parking brake.
  2. Adjust cutting height: Use lever to desired setting (1.5 to 4 inches).
  3. Level deck: Measure blade tip height on both sides; adjust lift links if uneven.
  4. Check belt tension: Ensure deck drive belt is snug but not overtightened.
  5. Sharpen blades: Remove blades with wrench, sharpen at 22-degree angle, balance before reinstalling.

WARNING! Disconnect spark plug wire before servicing deck or blades.

Engine Care

Engine maintenance is critical for reliable operation.

  1. Oil change: Warm engine, drain oil, refill with SAE 30 (48 oz).
  2. Air filter: Replace paper filter every 50 hours; clean foam pre-cleaner if equipped.
  3. Spark plug: Gap at 0.030 inches; replace annually or every 100 hours.
  4. Fuel system: Use fresh gasoline; add fuel stabilizer for storage.
  5. Cooling fins: Keep clean to prevent overheating.

CAUTION! Engine is hot after operation; allow to cool before servicing.

Safety Features

Built-in safety systems protect operator and equipment.

WARNING! Never bypass safety features. Always wear eye and hearing protection.

Storage & Winterization

Proper storage extends mower life.

  1. Clean thoroughly: Remove grass clippings from deck and undercarriage.
  2. Fuel treatment: Add fuel stabilizer and run engine for 5 minutes, or drain tank completely.
  3. Battery care: Disconnect battery, store in cool dry place, charge monthly.
  4. Engine preparation: Change oil, remove spark plug and add 1 oz of oil to cylinder, then pull starter cord slowly to coat cylinder.
  5. Cover: Store in dry, covered area.

CAUTION! Gasoline is flammable; store in approved container away from heat sources.

Warranty Information

Craftsman 19 HP 42 Riding 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 service, contact Craftsman Customer Support at 1-888-331-4569 or visit www.craftsman.com. Keep your proof of purchase for warranty claims.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startDead battery, empty fuel tank, safety switch engagedCharge battery, add fuel, ensure operator is seated and brake set.
Poor cutting performanceDull blades, low engine speed, clogged deckSharpen blades, set throttle to full, clean deck underside.
Excessive vibrationUnbalanced blade, loose blade or spindleBalance or replace blade, tighten spindle bolts.
Loss of powerDirty air filter, old fuel, clogged fuel filterReplace air filter, use fresh fuel, replace fuel filter.
Hydrostatic transmission slipsLow fluid, drive belt looseCheck fluid level, adjust or replace drive belt.

Reset: Disconnect battery for 30 seconds to reset electrical system if needed.

Service: For technical support, call 1-888-331-4569 or visit www.craftsman.com.

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