Craftsman T110 Riding Mower Repair Manual

The Craftsman T110 is a 42-inch deck riding lawn mower powered by a Briggs & Stratton 547cc engine with a hydrostatic transmission. This manual provides comprehensive repair, maintenance, and troubleshooting guidance for owners and technicians. Below are key sections covering safety, specifications, common repairs, maintenance schedules, and troubleshooting procedures.

1. Features at a Glance 2. Safety Precautions 3. Specifications 4. Maintenance Schedule 5. Engine Repair & Service 6. Deck & Blade Service 7. Transmission & Drive System 8. Electrical System 9. Tire & Wheel Service 10. Storage & Winterization 11. Troubleshooting

Features at a Glance

Key components: 42-inch stamped steel cutting deck, Briggs & Stratton 547cc OHV engine, hydrostatic transmission, 6-speed forward/1-reverse gear drive variant, manual PTO engagement, 2-gallon fuel tank, adjustable seat, and mulching capability.

Feature	Description
Engine	Briggs & Stratton 547cc OHV, single cylinder
Cutting Width	42 inches
Transmission	Hydrostatic (T110 model) / Gear drive (variant)
Fuel Capacity	2 gallons (gasoline)
Deck Material	Stamped steel
Blade Type	Triple blade system
Starting System	Electric key start
Seat	Adjustable high-back
Max Speed	Forward: 5.5 mph, Reverse: 2.2 mph
Warranty	2-year limited

Safety Precautions

Always follow safety guidelines to prevent injury or damage.

Read manual thoroughly before operation or repair.
Disconnect spark plug wire before performing any maintenance.
Work in a well-ventilated area; avoid fuel near flames.
Use jack stands when lifting mower; never rely solely on hydraulic jack.
Wear safety glasses, gloves, and sturdy footwear.

WARNING! Gasoline is flammable; store in approved container. Engine and exhaust become hot; allow to cool before servicing.

Specifications

Model: Craftsman T110
Engine: Briggs & Stratton 547cc OHV, 19 HP
Fuel Type: Unleaded gasoline (87 octane minimum)
Oil Capacity: 48 oz (1.5 quarts), SAE 30 (above 40°F)
Cutting Height: 1.5 to 4 inches (6 positions)
Tire Size: Front: 15x6.00-6, Rear: 20x10.00-8
Battery: 12V, 280 CCA
Weight: Approx. 500 lbs
Deck Engagement: Manual PTO lever

Maintenance Schedule

Regular maintenance ensures longevity and performance.

Interval	Task
Before each use	Check tire pressure, fuel level, blade condition
Every 8 hours	Check engine oil level
Every 25 hours	Change engine oil (first 5 hours for break-in)
Every 50 hours	Replace air filter; check spark plug
Every 100 hours	Replace spark plug; check drive belt tension
Seasonally	Sharpen blades; grease fittings; check battery
Annually	Replace fuel filter; inspect transmission fluid

Note: Service intervals may vary based on usage conditions.

Engine Repair & Service

Common engine procedures for Briggs & Stratton 547cc.

Oil Change: Run engine briefly to warm oil. Remove drain plug, drain into pan. Refill with 48 oz SAE 30.
Air Filter: Remove cover, replace paper filter. Clean foam pre-filter if present.
Spark Plug: Gap at 0.030 inches. Use Champion RC12YC or equivalent.
Fuel System: Replace inline fuel filter annually. Clean carburetor if engine runs rough.
Governor Adjustment: Locate governor arm; adjust spring tension per manual.

CAUTION! Always disconnect battery and spark plug before servicing engine.

Deck & Blade Service

Maintaining cutting deck and blades for optimal performance.

Blade Removal: Block blade with wood; use 15/16" socket to remove bolt (left-hand thread).
Blade Sharpening: Sharpen at 30-degree angle; balance blade before reinstalling.
Deck Leveling: Adjust deck height rods to ensure even cut (measure blade tips).
Belt Replacement: Release tensioner; remove old belt; route new belt per diagram.
Deck Cleaning: Remove debris; rinse with water (avoid bearings).

Tip: Replace blades annually or when damaged for clean cut.

Transmission & Drive System

Hydrostatic transmission service and adjustments.

Drive Belt: Inspect for wear; replace if cracked. Route per manual diagram.
Transmission Fluid: Check level via dipstick; use 20W-50 motor oil if needed.
Linkage Adjustment: Adjust control rod for proper forward/reverse response.
Parking Brake: Adjust cable tension to ensure brake holds on incline.
Tire Pressure: Maintain 12 PSI (front), 8 PSI (rear) for traction.

WARNING! Do not open hydrostatic unit; sealed system requires professional service.

Electrical System

Battery, starting, and wiring troubleshooting.

Battery: Clean terminals; charge with 12V charger. Replace if below 12.4V.
Starter Solenoid: Test with multimeter; click indicates engagement.
Safety Switches: Check seat, brake, and PTO switches for continuity.
Fuse: Locate 20A fuse near battery; replace if blown.
Wiring: Inspect for rodent damage or corrosion.

Note: Most electrical issues stem from loose connections or faulty switches.

Tire & Wheel Service

Maintaining tires and wheels for stability.

Tire Pressure: Check monthly; adjust to recommended PSI.
Wheel Bearing: Grease annually via zerk fittings.
Wheel Removal: Use jack stands; remove cotter pin and axle nut.
Tire Replacement: Match size; ensure valve stem is accessible.

CAUTION! Use jack stands; never work under mower supported only by jack.

Storage & Winterization

Preparing mower for off-season storage.

Add fuel stabilizer; run engine 5 minutes to circulate.
Change oil and filter.
Remove battery; store fully charged in cool, dry place.
Clean deck and undercarriage thoroughly.
Store in dry, covered area; cover mower.

Tip: Fog engine through spark plug hole for long-term storage.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Dead battery, faulty spark plug, clogged fuel filter	Charge battery; replace spark plug; replace fuel filter.
Poor cutting performance	Dull blades, uneven deck, low engine RPM	Sharpen blades; level deck; adjust governor.
Loss of power	Dirty air filter, old fuel, drive belt slipping	Replace air filter; drain old fuel; adjust/replace belt.
Hydrostatic transmission sluggish	Low fluid, stretched drive belt	Check fluid level; replace drive belt.
Vibration	Unbalanced blade, loose blade bolt, damaged spindle	Balance blade; tighten bolt; inspect spindle bearings.
Battery drains quickly	Faulty alternator, parasitic draw	Test alternator output; check for short circuits.

Reset: Disconnect battery for 10 minutes to reset electrical system.

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