Craftsman R110 Riding Mower Parts Manual

The Craftsman R110 Riding Mower Parts Manual provides detailed information on replacement parts, assembly diagrams, and maintenance components for the Craftsman R110 model. This manual is essential for identifying correct part numbers, understanding the mower's construction, and performing safe repairs or routine maintenance. Below are key sections covering parts identification, diagrams, ordering information, safety warnings, and troubleshooting specific to parts replacement.

1. Parts Identification & Diagrams 2. Engine Components 3. Deck & Cutting System 4. Drive & Transmission 5. Controls & Safety Features 6. Electrical System 7. Wheels, Tires & Axles 8. Fasteners & Hardware 9. Ordering Parts 10. Safety Warnings 11. Troubleshooting Parts Issues

Parts Identification & Diagrams

Exploded-view diagrams with callouts for all major assemblies. Each part is labeled with a reference number corresponding to the parts list.

Diagram Section	Description
Deck Assembly	Blade, spindle, belt, pulleys, deck shell
Engine Assembly	Briggs & Stratton engine components, air filter, oil filter, spark plug
Drive System	Transmission, drive belt, pulley, shift linkage
Control Panel	Ignition switch, throttle control, brake pedal, steering wheel
Seat & Frame	Seat assembly, seat spring, frame brackets
Wheel Assembly	Front and rear wheels, tires, axle, bearings
Electrical	Battery, wiring harness, starter solenoid, safety switches
Fuel System	Fuel tank, fuel lines, fuel filter, carburetor
Muffler & Exhaust	Muffler, exhaust pipe, heat shield
Fasteners	Bolts, nuts, washers, pins, clips

Engine Components

Parts for the Briggs & Stratton engine (model varies). Ensure engine is off and cool before servicing.

Air Filter: Replace when dirty; part number varies by engine model.
Spark Plug: Standard Champion RC12YC or equivalent; gap 0.030".
Oil Filter: Spin-on type; replace with every oil change.
Fuel Filter: Inline filter; replace annually or if clogged.
Carburetor Kit: Includes gaskets, diaphragm, springs.
Starter: Electric starter motor assembly.
Muffler: Reduces engine noise; check for cracks.

WARNING! Disconnect spark plug wire before working on engine to prevent accidental starting.

Deck & Cutting System

42-inch stamped steel deck parts. Deck should be raised and secured before service.

Blade: High-lift blade; replace if bent or dull (part # 942-0744).
Spindle Assembly: Includes bearing housing, pulley, and shaft.
Deck Belt: V-belt for blade drive (part # 144959).
Idler Pulley: Tensions deck belt; check for wear.
Deck Shell: Main deck body; inspect for cracks or rust.
Blade Adapter: Connects blade to spindle shaft.
Deck Wheels: Anti-scalp wheels on deck sides.

CAUTION! Wear gloves when handling blades; they are sharp.

Drive & Transmission

Transmission: Peerless 5-speed manual shift.
Drive Belt: Links engine to transmission (part # 144958).
Shift Linkage: Rods and levers for gear selection.
Brake: Disc brake on transmission output.
Clutch: Engagement lever and cable for blade drive.
Pulleys: Engine pulley, transmission pulley, idler pulleys.
Belts: Replace if cracked, glazed, or worn.
Lubrication: Transmission fluid check/fill port.

Controls & Safety Features

Control parts ensure safe operation. Front Panel: Ignition switch, throttle/choke, brake pedal, steering wheel.

Key Parts: Ignition Switch, Brake Pedal Assembly, Steering Wheel, Throttle Control Cable, Blade Engagement Lever, Seat Safety Switch, Parking Brake Lever, Shift Lever.

Safety: Seat switch prevents mowing when operator is absent. Brake interlock stops engine if brake is not engaged when starting. Replace switches if malfunctioning.

Electrical System

12-volt system with battery, starter, and safety switches.

Battery: 12V, group U1; terminals should be clean and tight.
Starter Solenoid: Engages starter motor; located near battery.
Wiring Harness: Connects all electrical components; check for fraying.
Safety Switches: Seat, brake, clutch; must be functional.
Fuse: 20-amp fuse protects electrical system; check if blown.

Tip: Disconnect battery negative terminal before electrical work.

Wheels, Tires & Axles

Front: 15x6.00-6 tires. Rear: 20x10.00-8 tires.

Front Wheels: Includes tire, rim, and bearings.
Rear Wheels: Larger for traction; check tire pressure (10 PSI).
Front Axle: Pivoting axle for steering.
Rear Axle: Fixed axle with transmission attachment.
Bearings: Sealed bearings in wheels and spindles.
Hub: Connects wheel to axle; includes lug nuts.

WARNING! Securely tighten lug nuts to specified torque (30-40 ft-lbs).

Fasteners & Hardware

Standard hardware kit includes common bolts, nuts, washers, pins.

Ordering Parts

Use part numbers from this manual. Contact Craftsman or authorized dealer with model number (917.289xxx) and part number.

CAUTION! Use only genuine Craftsman parts for safety and warranty.

Safety Warnings

Always disconnect spark plug and battery before service. Use jack stands if lifting mower. Wear safety glasses and gloves. Replace damaged parts immediately. Keep hands and feet away from moving parts. Follow torque specifications.

Troubleshooting Parts Issues

Symptom	Possible Cause	Corrective Action
Engine won't start	Bad spark plug, clogged filter, dead battery	Replace spark plug; clean/replace air filter; charge/replace battery.
Poor cut quality	Dull/bent blade, worn spindle	Sharpen or replace blade; inspect/replace spindle assembly.
Vibration	Unbalanced blade, loose pulley	Balance or replace blade; tighten pulley bolts.
Drive belt slips	Worn belt, misaligned pulley	Replace drive belt; align pulleys.
Steering difficulty	Worn tie rods, low tire pressure	Replace tie rods; inflate tires to 10 PSI.
Hydrostatic drive issues	Low fluid, worn belt	Check fluid level; replace belt if worn.

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