Craftsman 110 Mower Manual

The Craftsman 110 Mower is a reliable walk-behind lawn mower designed for residential use, featuring a Briggs & Stratton engine, 21-inch steel cutting deck, adjustable cutting heights, rear bagging system, mulching capability, side discharge option, and easy-start technology. This manual covers essential sections for safety, operation, maintenance, troubleshooting, and specifications to ensure optimal performance and longevity of your mower.

1. Safety Instructions 2. Features & Components 3. Assembly & Setup 4. Operation Instructions 5. Cutting Height Adjustment 6. Maintenance Schedule 7. Engine Care 8. Blade Sharpening & Replacement 9. Storage Guidelines 10. Troubleshooting 11. Specifications & Warranty

Safety Instructions

Read all instructions before operating. Failure to follow warnings may result in serious injury or property damage.

Hazard	Precaution
Rotating Blade	Keep hands and feet away from deck. Disconnect spark plug before servicing.
Fuel Handling	Refuel outdoors only, with engine off and cool. Use approved container.
Slope Operation	Mow across slopes, not up and down. Use caution on inclines over 15°.
Debris & Objects	Clear lawn of sticks, stones, toys before mowing.
Children & Pets	Keep bystanders at least 50 feet away during operation.
Hot Surfaces	Avoid contact with muffler, engine, and other hot parts.
Electric Shock	Do not operate in wet grass or rain.
Carbon Monoxide	Never run engine indoors or in enclosed spaces.

Features & Components

Key components: Briggs & Stratton 140cc engine, 21-inch steel deck, 3-in-1 cutting system (bag/mulch/side discharge), 6-position height adjustment, rear grass bag, easy-pull recoil start, single-lever height adjuster, and durable 10-inch rear wheels.

Component	Description
Engine	Briggs & Stratton 140cc, 4-cycle, OHV
Cutting Width	21 inches
Cutting Heights	1.25 to 3.75 inches (6 positions)
Cutting Options	Rear bagging, mulching, side discharge
Start System	Recoil pull-start
Wheels	10-inch rear, 8-inch front
Deck Material	Powder-coated steel
Handle	Foldable, adjustable
Bag Capacity	2.0 bushels

Assembly & Setup

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

Attach handle: Secure lower handle to deck with bolts and wing nuts.
Install upper handle: Align with lower handle, secure with knobs.
Attach grass bag: Hook bag frame onto rear deck brackets.
Install side discharge chute (if not mulching): Snap into place on deck opening.
Check oil: Engine is shipped without oil. Add SAE 30 detergent oil to full mark on dipstick.
Add fuel: Use fresh unleaded gasoline (87 octane minimum). Do not overfill.

WARNING! Always wear gloves during assembly to avoid sharp edges. Ensure all fasteners are tight.

Operation Instructions

Starting, operating, and stopping procedures.

Pre-start check: Verify oil level, fuel, clear deck of debris, set cutting height.
Starting engine: Move throttle to FAST position. Pull recoil starter briskly.
Engaging blade: With engine running, pull blade control lever toward handle.
Mowing: Walk at steady pace, overlapping passes slightly for even cut.
Stopping: Release blade control lever, move throttle to STOP, wait for blade to stop.
Emptying bag: Stop engine, remove bag, empty clippings away from mower.

CAUTION! Never leave mower unattended with engine running. Always disengage blade when crossing driveways or gravel.

Cutting Height Adjustment

Adjust height to match grass type and conditions.

Locate single-lever adjuster on each wheel.
Pull lever outward, move to desired height notch (1-6).
Release lever to lock position. Adjust all four wheels to same height.
Recommended heights: 2.5-3 inches for most grasses; higher in hot/dry conditions.

Tip: For first mow of season, set to highest setting, then gradually lower.

Maintenance Schedule

Before each use: Check oil, fuel, tire pressure, blade condition.
Every 25 hours: Change oil (first change after 5 hours).
Every season: Replace air filter, spark plug, sharpen blade.
As needed: Clean underside of deck, check belts, lubricate wheels.
Storage: Run engine dry or add fuel stabilizer, clean thoroughly.

Engine Care

Briggs & Stratton engine maintenance.

Oil change: Warm engine, drain plug under deck. Refill with SAE 30 (20W-50 in hot climates). Capacity: 20 oz.
Air filter: Remove cover, clean foam pre-filter in soapy water, replace paper element if dirty.
Spark plug: Gap 0.030 inches. Replace annually.
Fuel system: Use fresh gas. If storing over 30 days, add stabilizer or drain tank.

WARNING! Engine is hot after use. Allow to cool before servicing.

Blade Sharpening & Replacement

Sharp blade ensures clean cut and healthy grass.

Disconnect spark plug wire.
Tip mower on side (carburetor side up). Block blade with wood.
Remove blade bolt (clockwise to loosen – left-hand thread).
Sharpen with file or grinder, maintaining original angle. Balance blade.
Reinstall blade with bolt (tighten securely). Torque: 450-600 in-lbs.
Replace blade if cracked, bent, or excessively worn.

CAUTION! Always wear heavy gloves when handling blade.

Storage Guidelines

Proper storage extends mower life.

Clean: Remove grass, dirt from deck, engine, wheels.
Fuel: Add stabilizer and run 5 minutes, OR drain tank and carburetor completely.
Oil: Change oil if due.
Blade: Sharpen and coat with light oil.
Store: In dry, covered area. Cover mower with breathable fabric.

Tip: Remove battery (if electric start model) and store separately.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel, old gas, clogged filter, bad spark plug	Check fuel, replace if stale, clean filter, check spark plug.
Engine runs poorly	Dirty air filter, water in fuel, carburetor issue	Clean/replace filter, drain fuel, clean carburetor.
Uneven cutting	Dull blade, uneven tire pressure, deck clogged	Sharpen blade, inflate tires, clean deck.
Excessive vibration	Loose blade, bent blade, debris in deck	Tighten or replace blade, clean deck.
Loss of power	Clogged deck, dirty filter, low oil	Clean deck, replace filter, check oil level.
Wheels not turning	Debris in axle, lack of lubrication	Clean axle, lubricate with light oil.

Reset: For safety interlock issues, ensure all controls are in proper positions.

Specifications & Warranty

Model: Craftsman 110
Engine: Briggs & Stratton 140cc, 4-cycle
Cutting Width: 21 inches
Cutting Heights: 1.25 - 3.75 inches (6 positions)
Deck Material: Steel
Warranty: 2-year limited warranty on mower, 3-year on engine
Weight: 65 lbs
Fuel Capacity: 1.0 gallon
Oil Capacity: 20 oz

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