sears craftsman r110 riding mower manual

The Sears Craftsman R110 is a 42-inch riding lawn mower featuring a 19.5 HP Briggs & Stratton engine, 6-speed manual transmission, electric start, adjustable cutting height (1.5-4 inches), mulching capability, and a 2.5-gallon fuel tank. Designed for residential use on up to 2 acres, it includes a comfortable high-back seat, cup holder, and easy-access controls. Below are key sections for safety, features, operation, maintenance, troubleshooting, and specifications.

1. Features at a Glance 2. Safety Instructions 3. Assembly & Setup 4. Controls & Operation 5. Specifications 6. Maintenance Schedule 7. Blade Care & Replacement 8. Engine Care 9. Storage & Winterization 10. Troubleshooting 11. Warranty & Support

Features at a Glance

Key components: 19.5 HP Briggs & Stratton engine, 42-inch steel cutting deck, 6-speed manual transmission, electric start, adjustable seat, cup holder, headlights, and mulching kit compatibility.

FeatureDescription
Engine19.5 HP Briggs & Stratton, single-cylinder, OHV
Cutting Width42 inches
Transmission6-speed manual, gear-driven
Starting SystemElectric key start with backup recoil
Fuel Capacity2.5 gallons
Cutting HeightAdjustable 1.5-4 inches (6 positions)
Deck Material12-gauge steel
SeatHigh-back, adjustable
Turning Radius18 inches
MulchingCapable with optional mulching kit

Safety Instructions

Read all instructions before operation. Wear appropriate safety gear.

  1. Clear mowing area of debris, toys, and obstacles.
  2. Never carry passengers; keep bystanders away.
  3. Do not mow on slopes greater than 15 degrees.
  4. Disengage blades before starting engine or crossing driveways.
  5. Stop engine and remove key before performing maintenance.

WARNING! Risk of blade contact or rollover. Operate with caution. Keep hands and feet away from moving parts.

Assembly & Setup

Unpack and inspect contents. Assembly requires basic tools.

  1. Install steering wheel: Align and tighten bolt.
  2. Attach seat: Mount with provided bolts and washers.
  3. Connect battery: Attach red (+) then black (-) terminals.
  4. Add engine oil: Use SAE 30 (approx. 48 oz) – check dipstick.
  5. Add fuel: Use fresh unleaded gasoline (87 octane minimum).
  6. Check tire pressure: Front 14 PSI, Rear 10 PSI.

CAUTION! Ensure all bolts are tightened securely. Do not overfill oil or fuel.

Controls & Operation

Familiarize yourself with controls before starting.

Dashboard: Ignition key, throttle/choke, blade engagement lever, headlight switch.

Operation Steps:

  1. Park on level surface, set parking brake.
  2. Adjust cutting height lever to desired setting.
  3. Move throttle to FAST position, set choke if cold.
  4. Turn key to START; release when engine starts.
  5. Disengage parking brake, select gear (1-6).
  6. Engage blades with lever; begin mowing.
  7. To stop: Disengage blades, set parking brake, turn key OFF.

Tip: Mow at slower speeds in tall or wet grass.

Specifications

Maintenance Schedule

Regular maintenance ensures longevity and performance.

IntervalTask
Before each useCheck oil level, tire pressure, fuel level
Every 8 hoursClean deck underside, check for loose bolts
Every 25 hoursChange engine oil, check air filter
Every 50 hoursReplace air filter, sharpen blades
Every 100 hoursReplace spark plug, check belt tension
SeasonallyLubricate moving parts, battery maintenance

Note: Refer to engine manual for detailed engine maintenance.

Blade Care & Replacement

Sharp blades ensure clean cut and reduce engine strain.

  1. Disconnect spark plug wire.
  2. Raise deck to highest setting, block securely.
  3. Remove blade bolt (turn counterclockwise).
  4. Sharpen blade evenly; balance before reinstalling.
  5. Reinstall with bolt tightened to 450 in-lbs.

WARNING! Always disconnect spark plug. Wear gloves; blades are sharp.

Engine Care

Proper engine maintenance prevents failures.

Oil Change: Run engine briefly to warm oil. Drain via plug, refill with SAE 30 (48 oz). Check dipstick.

Air Filter: Replace paper filter every 50 hours; clean foam pre-filter if equipped.

Spark Plug: Gap 0.030 inches; replace annually.

Fuel System: Use fuel stabilizer if storing over 30 days.

Storage & Winterization

Prepare mower for off-season storage.

  1. Clean entire mower, especially underside.
  2. Change oil and replace air filter.
  3. Add fuel stabilizer, run engine 5 minutes.
  4. Disconnect battery, store in cool dry place.
  5. Store in covered, dry location.

CAUTION! Do not store with fuel in tank beyond 30 days without stabilizer.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startDead battery, empty fuel, clogged filterCharge battery; add fuel; replace air filter.
Poor cutting performanceDull blades, low engine speedSharpen blades; set throttle to FAST.
Excessive vibrationUnbalanced blade, loose boltsBalance/replace blade; tighten deck bolts.
Loss of powerDirty air filter, old fuelReplace air filter; drain and refill with fresh fuel.
Belt slips or breaksWorn belt, misaligned pulleyReplace belt; check pulley alignment.

Reset: Check all safety switches (seat, blade engagement).

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

Warranty & Support

2-year limited warranty covering defects in materials/workmanship. Proof of purchase required. Does not cover normal wear, misuse, or lack of maintenance. For technical support or parts, contact Sears Craftsman at 1-888-331-4569 or visit www.craftsman.com. Always reference model R110.

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