Craftsman R110 Riding Mower Owner's Manual

The Craftsman R110 is a 42-inch deck riding lawn mower with a 19.5 HP Briggs & Stratton engine, 6-speed manual transmission, electric start, adjustable cutting height, and mulching capability. This manual covers safety instructions, assembly, operation, maintenance, troubleshooting, and storage procedures to ensure optimal performance and longevity of your mower.

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 9. Blade Maintenance 10. Storage Guidelines 11. Troubleshooting

Features at a Glance

Key components: 19.5 HP Briggs & Stratton engine, 42-inch steel cutting deck, 6-speed manual transmission, electric start, adjustable seat, cup holder, and mulching kit compatibility.

Feature	Description
Engine	19.5 HP Briggs & Stratton single-cylinder OHV engine
Cutting Width	42-inch reinforced steel deck
Transmission	6-speed manual gear drive
Starting System	Electric key start with backup recoil
Cutting Height	Adjustable from 1.5 to 4 inches in 0.5-inch increments
Fuel Capacity	2.5-gallon gas tank
Seat	High-back adjustable seat with armrests
Mulching Capability	Optional mulching kit available
Drive System	Rear-wheel drive
Warranty	2-year limited warranty

Assembly Instructions

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

Install steering wheel: Align and tighten with provided bolt.
Attach seat: Mount using four bolts and washers.
Install battery: Connect red (+) then black (-) terminals.
Attach cutting deck: Align with mounting points and secure with pins.
Connect deck lift linkage: Attach to lever under seat.
Install blades: Use blade adapter and bolt (torque to 40 ft-lbs).
Add engine oil and fuel: Use SAE 30 oil and unleaded gasoline.

WARNING! Always disconnect spark plug wire during assembly to prevent accidental starting.

Safety Precautions

Read all safety instructions before operation.

Wear appropriate clothing: Safety glasses, long pants, sturdy shoes.
Clear mowing area: Remove stones, toys, and debris.
Never carry passengers: Seat designed for operator only.
Slope operation: Mow across slopes, not up and down.
Engine safety: Allow engine to cool before refueling.
Children and pets: Keep away from mowing area.
Blade safety: Disconnect spark plug before blade maintenance.

CAUTION! Never remove safety devices or operate with guards missing.

Specifications

Engine: 19.5 HP Briggs & Stratton, single-cylinder OHV
Cutting Deck: 42-inch steel, 3-blade system
Transmission: 6-speed manual, gear drive
Cutting Height: 1.5 to 4 inches (adjustable)
Fuel Type: Unleaded gasoline (87 octane minimum)
Fuel Capacity: 2.5 gallons
Oil Capacity: 48 oz. SAE 30 (summer), 10W-30 (winter)
Tire Size: Front 15x6.00-6, Rear 20x10.00-8
Weight: 450 lbs (approx.)
Warranty: 2-year limited

Controls and Operation

Dashboard: Ignition key, throttle control, choke, hour meter, headlight switch.

Operation Steps:

Pre-start check: Oil level, fuel, tire pressure, deck clearance.
Starting: Set parking brake, disengage blades, turn key to START.
Driving: Press brake pedal to release parking brake, select gear.
Mowing: Engage PTO lever to start blades, adjust throttle to full.
Stopping: Disengage blades, set parking brake, turn key to OFF.

Controls: Steering wheel, brake pedal, parking brake lever, gear shift, PTO engagement lever, cutting height adjuster.

Cutting Height Adjustment

Adjust cutting height using lever located near operator's left foot.

Stop mower on level surface.
Disengage PTO (blades off).
Move lever to desired position (1-7 settings).
Settings correspond to 1.5" (1) to 4" (7) in 0.5" increments.
For even cut, ensure all wheels at same height setting.

Tip: Cut only 1/3 of grass height per mowing for healthier lawn.

Maintenance Schedule

Interval	Maintenance Task
Before each use	Check oil level, tire pressure, blade condition
Every 8 hours	Check battery terminals, deck for debris
Every 25 hours	Change engine oil (first 5 hours), sharpen blades
Every 50 hours	Replace air filter, check spark plug
Every 100 hours	Change oil filter, lubricate chassis points
Seasonally	Replace fuel filter, check belts
Storage	Fuel stabilizer, battery removal

Engine Care

Regular maintenance ensures optimal engine performance.

Oil Change: Run engine to warm oil, drain via plug, refill with 48 oz SAE 30.
Air Filter: Replace paper element every 50 hours; clean pre-cleaner if equipped.
Spark Plug: Gap at 0.030 inches; replace annually.
Fuel System: Use fresh gasoline; add stabilizer for storage.
Cooling System: Keep cooling fins clean of debris.

WARNING! Always disconnect spark plug wire before performing engine maintenance.

Blade Maintenance

Sharp blades provide cleaner cut and reduce engine strain.

Disconnect spark plug wire.
Raise deck to highest position and block securely.
Remove blade bolt (counterclockwise) using blade removal tool.
Sharpen blade maintaining original angle; balance with blade balancer.
Reinstall with bolt torqued to 40 ft-lbs.
Replace blades if cracked, bent, or excessively worn.

CAUTION! Wear heavy gloves when handling blades.

Storage Guidelines

Proper storage prevents damage during off-season.

Clean mower thoroughly, especially under deck.
Add fuel stabilizer to tank and run engine for 5 minutes.
Change oil and filter if due.
Remove battery and store in cool, dry place; charge monthly.
Store in dry, covered area; avoid concrete floor if possible.
Cover mower to protect from dust.

Tip: Inflate tires to maximum pressure during storage to prevent flat spots.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Empty fuel tank, dead battery, clogged fuel filter	Add fuel, charge/replace battery, replace fuel filter
Poor cutting performance	Dull blades, low engine RPM, deck clogged	Sharpen blades, adjust throttle, clean deck
Excessive vibration	Unbalanced blade, loose blade bolt, damaged spindle	Balance or replace blade, tighten bolt, inspect spindle
Loss of power	Dirty air filter, old spark plug, clogged carburetor	Replace air filter, change spark plug, clean carburetor
Uneven cutting	Uneven tire pressure, worn deck belt, incorrect height setting	Inflate tires evenly, replace belt, adjust cutting height
Battery not charging	Faulty alternator, loose connections, bad battery	Test alternator, clean terminals, replace battery

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