Craftsman T110 Riding Mower Parts Manual

The Craftsman T110 Riding Mower is a 42-inch lawn tractor powered by a Briggs & Stratton 540cc OHV engine, featuring a 6-speed shift-on-the-go transmission, manual PTO engagement, and a 2-gallon fuel tank. This manual provides detailed parts identification, diagrams, ordering information, and maintenance guidelines to ensure proper operation and longevity of your mower. Below are key sections for parts overview, engine components, deck assembly, drive system, controls, maintenance, and troubleshooting.

1. Parts Overview & Diagrams 2. Engine Assembly Parts 3. Mower Deck Assembly 4. Drive System & Transmission 5. Controls & Steering 6. Electrical System 7. Maintenance Parts 8. Fasteners & Hardware 9. Safety Information 10. Parts Ordering Guide 11. Troubleshooting & Service

Parts Overview & Diagrams

Key assemblies: Engine, Mower Deck, Drive System, Controls, Electrical, Frame.

Assembly	Description
Engine Assembly	Briggs & Stratton 540cc OHV engine with air filter, carburetor, spark plug
Mower Deck	42-inch stamped steel deck with three blades, spindles, and belt drive
Drive System	6-speed transmission, drive belt, pulleys, and axle
Control Panel	Steering wheel, ignition switch, throttle, brake pedal, PTO lever
Electrical System	Battery, starter, wiring harness, safety switches
Frame & Body	Steel frame, fenders, seat, and fuel tank
Wheels & Tires	Front (15x6.00-6) and rear (20x8.00-8) tires with rims
Blades	Three 42-inch mulching/blade assemblies
Belts	Drive belt (144959) and deck belt (144958)
Filters	Air filter (492932S) and oil filter (492932S)

Engine Assembly Parts

Briggs & Stratton 540cc OHV engine parts list.

Engine Model: 31P777-0147-G1.
Air Filter: Part #492932S (replace annually).
Spark Plug: Champion RC12YC (gap 0.030").
Carburetor Kit: Includes gaskets and float needle.
Oil Filter: Part #492932S (change every 50 hours).
Fuel Pump: Diaphragm type for gravity feed.
Starter Motor: 12V electric starter.

WARNING! Disconnect spark plug before servicing engine. Use correct oil (SAE 30).

Mower Deck Assembly

42-inch stamped steel deck with three blades.

Deck Shell: Part #532194552 (includes housing).
Blades: Part #134149 (mulching blade, set of 3).
Spindles: Part #532194554 (includes bearings).
Deck Belt: Part #144958 (1/2" x 95-1/2").
Mandrels: Part #532194553 (blade attachment).
Deck Wheels: Part #532194556 (anti-scalp rollers).
Deck Lift Rod: Part #532194557 (height adjustment).

CAUTION! Ensure deck is disengaged and blades stopped before servicing.

Drive System & Transmission

Transmission: Peerless 6-speed manual shift-on-the-go.
Drive Belt: Part #144959 (1/2" x 78").
Pulleys: Engine pulley (5"), transmission pulley (4").
Axle: Part #532194560 (rear axle assembly).
Brake: Disc brake pad Part #532194561.
Clutch: PTO engagement cable Part #532194562.
Tire Size: Front 15x6.00-6, Rear 20x8.00-8.
Hub: Wheel hub Part #532194563.

Controls & Steering

Steering wheel, ignition, throttle, brake, PTO lever.

Steering: Steering wheel Part #532194564, tie rod Part #532194565.

Ignition Switch: Part #532194566 (3-position). Throttle Control: Cable Part #532194567. Brake Pedal: Assembly Part #532194568. PTO Lever: Engagement cable Part #532194569. Seat: Part #532194570 (high-back). Fuel Tank: 2-gallon plastic tank Part #532194571. Fenders: Left/right Part #532194572.

Electrical System

Battery, starter, wiring, safety switches.

Battery: 12V 280CCA (U1 type).
Starter Solenoid: Part #532194573.
Wiring Harness: Part #532194574.
Safety Switches: Seat (Part #532194575), brake (Part #532194576).
Key Switch: Part #532194566.
Fuse: 20A blade fuse.

Tip: Disconnect battery negative terminal before electrical work.

Maintenance Parts

Filters, blades, belts, fluids.

Oil: SAE 30 (48 oz capacity).
Air Filter: Part #492932S.
Spark Plug: Champion RC12YC.
Blades: Part #134149 (sharpen/replace annually).
Drive Belt: Part #144959.
Deck Belt: Part #144958.
Fuel Filter: In-line filter Part #532194577.
Grease: Lithium grease for spindles.

WARNING! Use genuine Craftsman parts for optimal performance.

Fasteners & Hardware

Bolts, nuts, clips, pins.

Deck Bolts: 5/16-18 x 1" (set of 12). Spindle Nuts: 1/2-20 flange nuts. Blade Bolts: 5/8-18 (torque to 450 in-lbs). Hitch Pin: 3/8" lynch pin. Cotter Pins: 1/8" for wheel hubs.

Safety Information

Read manual before operation. Wear safety glasses. Keep hands/feet from moving parts. Disconnect spark plug for service. Use on slopes less than 15 degrees.

CAUTION! Never remove grass catcher or discharge chute while engine running.

Parts Ordering Guide

Use model number 247.28990 for parts lookup. Visit www.craftsman.com or call 1-888-331-4569. Provide part number and description. Keep receipt for warranty (2-year limited).

Troubleshooting & Service

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery, spark plug, fuel	Check battery charge; replace spark plug; ensure fuel valve on.
Poor cutting	Dull blades, deck level	Sharpen/replace blades; level deck; check belt tension.
Vibration	Unbalanced blade, loose parts	Balance blade; tighten spindle bolts; check mandrels.
Loss of power	Clogged filter, old fuel	Replace air filter; drain old fuel; check carburetor.
Transmission slips	Low oil, worn belt	Check transmission oil; replace drive belt.

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