Installation Guide
Tools Needed:
- Adjustable wrench set
- Socket set (3/8" drive)
- Screwdrivers (flat and Phillips)
- Pliers
- Torque wrench
- Battery terminal wrench
Step-by-Step Assembly
- Unpack and Inventory: Remove all packaging materials and verify all parts are present using the parts list in the manual.
- Install Steering Wheel: Align steering wheel with shaft and secure with provided hardware using proper torque specifications.
- Attach Seat: Position seat on mounting brackets and secure with bolts and washers provided.
- Install Battery: Connect positive cable first, then negative cable to battery terminals. Apply anti-corrosion spray.
- Attach Cutting Deck: Carefully position 42-inch cutting deck under mower and connect drive belt and height adjustment linkage.
- Add Fluids: Fill engine with SAE 10W-30 oil (20 oz) and fuel tank with fresh unleaded gasoline (87 octane minimum).
- Pre-Operation Check: Verify all safety switches function properly and perform initial startup procedure.
Specifications
| Model Number | R110 |
| Type | Rear Engine Riding Lawn Mower |
| Engine Brand | Briggs & Stratton |
| Engine Model | 500E Series |
| Engine Power | 19.5 HP (420cc) |
| Cutting Width | 42 inches |
| Cutting Height Range | 1.5 - 4 inches (12 positions) |
| Fuel Capacity | 2.5 gallons |
| Transmission | 6-Speed Manual Gear Drive |
| Turning Radius | 18 inches |
| Dimensions (LxWxH) | 68 x 54 x 42 inches |
| Weight | 498 lbs |
| Tire Size (Front) | 15 x 6.00-6 |
| Tire Size (Rear) | 20 x 10.00-8 |
Warranty Information
- Full Warranty: 2 years limited warranty on entire mower
- Engine Warranty: 3 years limited warranty on Briggs & Stratton engine
- Additional Coverage: Optional extended protection plans available
For warranty service, contact Sears Customer Service at 1-800-349-4358 or visit SearsPartsDirect.com
Key Features
19.5 HP Engine
Powerful Briggs & Stratton 420cc engine with overhead valve design provides reliable performance and excellent fuel efficiency for medium to large lawns.
42-Inch Cutting Deck
Heavy-gauge steel deck with aerodynamic design provides superior cutting performance and excellent grass dispersal. Easy height adjustment with single lever control.
6-Speed Manual Transmission
Shift-on-the-go gear drive transmission provides optimal speed control for various mowing conditions and terrain types.
Comfortable High-Back Seat
Padded high-back seat with armrests provides comfort during extended mowing sessions. Seat adjusts forward/backward for optimal operator positioning.
Dual-Braking System
Combination brake/clutch pedal stops both drive and blade when depressed. Parking brake secures mower on slopes up to 15 degrees.
Easy Mulching System
Convertible 3-in-1 cutting system allows bagging, side discharge, or mulching without additional tools. Mulching kit included.
Safety Features Explained
Blade Brake Clutch
Stops cutting blade within 3 seconds while keeping engine running for transport between cutting areas
Operator Presence System
Automatically stops blade if operator leaves seat without engaging parking brake
Reverse Implement Mode
Safety switch must be activated to mow in reverse, preventing accidental backing over objects
Rollover Protection
Wide wheel base and low center of gravity design minimizes tip-over risk on slopes
Debris Deflector
Full-length deflector prevents thrown objects from exiting discharge chute at dangerous angles
Safety Interlock System
Prevents engine start unless brake is engaged and blade clutch is disengaged
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine won't start | Empty fuel tank, dead battery, safety switch engaged | Check fuel level, test battery, ensure brake is depressed and blade disengaged |
| Poor cutting performance | Dull blades, clogged deck, incorrect cutting height | Sharpen/replace blades, clean deck underside, adjust cutting height |
| Excessive vibration | Unbalanced blade, damaged spindle, loose hardware | Balance or replace blade, inspect spindles, tighten all deck bolts |
| Loss of power | Clogged air filter, old fuel, dirty spark plug | Replace air filter, drain old gas, clean/replace spark plug |
| Uneven cutting | Uneven tire pressure, deck not level, worn blades | Check tire pressure, level cutting deck, replace worn blades |
| Transmission issues | Low transmission fluid, loose linkage, worn gears | Check fluid level, adjust shift linkage, inspect transmission |
Maintenance Schedule
- Before Each Use: Check tire pressure, fuel level, and look for loose hardware
- Every 8 Hours: Clean cutting deck, check blade condition
- Every 25 Hours: Change engine oil, check air filter, grease fittings
- Every 50 Hours: Replace spark plug, check battery terminals
- Every 100 Hours: Change transmission fluid, inspect drive belts
- Seasonal: Sharpen blades, check tire condition, clean fuel system
Manual Downloads
Current Model Manuals
R110
42-inch 19.5 HP Riding Mower
R110X
42-inch Extended Life Mower
R110T
42-inch Tractor Style Mower
R110S
42-inch Snow Blade Ready
Popular Previous Models
R105
42-inch 17.5 HP Riding Mower
R115
46-inch 21 HP Riding Mower
R100
38-inch 16 HP Riding Mower
R120
46-inch 22 HP Hydrostatic Drive
Attachment Manuals
CMXGRAM113
42-inch Mulching Kit
CMXGAM113
Grass Collection System
CMXGSB113
Snow Blade Attachment
CMXGCA113
Cart/Utility Hauler