Ariens 915267 Lawn Mower Manual

The Ariens 915267 is a walk-behind lawn mower designed for residential use, featuring a Briggs & Stratton engine, 21-inch cutting deck, 3-in-1 discharge system (mulch/bag/side discharge), single-lever height adjustment, and easy-start technology. This manual covers safety, assembly, operation, maintenance, and troubleshooting for optimal performance and longevity.

1. Features at a Glance 2. Assembly Instructions 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Cutting Height Adjustment 7. Maintenance Schedule 8. Storage Guidelines 9. Safety Information 10. Warranty & Support 11. Troubleshooting

Features at a Glance

Key components: Briggs & Stratton engine, 21-inch steel cutting deck, 3-in-1 discharge system, single-lever height adjustment, rear bagger, and easy-start technology.

Feature	Description
Engine	Briggs & Stratton 140cc OHV engine
Cutting Width	21 inches
Cutting Height	1.5 to 4 inches (6 positions)
Discharge Options	Mulch, Bag, Side Discharge
Starting System	Recoil start with easy-start technology
Deck Material	Steel with corrosion-resistant coating
Wheels	8-inch rear, 7-inch front
Weight	Approximately 65 lbs
Fuel Tank Capacity	0.5 gallons
Oil Capacity	20 oz (SAE 30 recommended)

Assembly Instructions

Unpack all parts and inspect for damage. Assembly requires basic tools (included).

Attach handle: Align handle with deck brackets, secure with provided bolts and washers.
Install wheels: Slide wheels onto axles, secure with retaining clips.
Attach grass bag: Hook bag onto rear deck brackets, ensure secure fit.
Install discharge chute: For side discharge, attach chute to deck opening.
Add oil and fuel: Fill engine with SAE 30 oil to proper level; add fresh unleaded gasoline.

WARNING! Wear gloves during assembly. Ensure all fasteners are tight before operation.

First-Time Operation

Before first use, complete pre-operation checks.

Check oil level: Ensure oil is at full mark on dipstick.
Add fuel: Use fresh unleaded gasoline (87 octane or higher).
Inspect cutting area: Remove stones, sticks, and debris from lawn.
Start engine: Set throttle to fast, pull recoil starter firmly.
Engage blade: With engine running, pull blade control lever to handle.
Adjust cutting height: Use single lever to set desired height.

CAUTION! Never operate without oil or with clogged discharge chute.

Specifications

Model: Ariens 915267
Engine: Briggs & Stratton 140cc OHV
Cutting Deck: 21-inch steel
Cutting Height Range: 1.5 - 4 inches (6 positions)
Discharge: 3-in-1 (mulch, bag, side discharge)
Starting: Recoil start
Wheels: 8-inch rear, 7-inch front
Fuel Type: Unleaded gasoline (87 octane minimum)
Oil Type: SAE 30 (API SJ or higher)
Weight: 65 lbs (approx.)

Controls and Settings

Handle Controls: Blade control lever, drive control lever (if self-propelled model), height adjustment lever.

Engine Controls: Throttle control, choke control (if equipped), recoil starter.

Height Adjustment: Single lever adjusts all four wheels simultaneously through 6 positions. Discharge Selection: Install mulch plug for mulching, bag for collection, or chute for side discharge. Engine Settings: Throttle for speed control, choke for cold starts.

Cutting Height Adjustment

Adjust cutting height based on grass type and season.

Stop engine and wait for blade to stop completely.
Pull height adjustment lever outward to release.
Move lever to desired position (1-6, with 1 being lowest).
Release lever to lock in position.
Check all wheels are at same height.

Tip: Cut no more than 1/3 of grass height at a time. Higher settings for summer, lower for spring/fall.

Maintenance Schedule

Regular maintenance ensures optimal performance and extends mower life.

Maintenance Task	Frequency
Check oil level	Before each use
Clean underside of deck	After each use
Check air filter	Every 25 hours
Change oil	First 5 hours, then every 50 hours
Replace spark plug	Every 100 hours
Sharpen blade	Every 25 hours or as needed
Check wheel bolts	Every 10 hours
Clean fuel system	Before seasonal storage

WARNING! Always disconnect spark plug before performing maintenance.

Storage Guidelines

Proper storage prevents fuel system issues and corrosion.

Drain or stabilize fuel: Run engine dry or add fuel stabilizer.
Change oil: Replace with fresh oil before storage.
Clean thoroughly: Remove grass clippings from deck and underside.
Store properly: Keep in dry, covered area, protected from elements.
Remove spark plug: Add teaspoon of oil to cylinder, pull starter slowly to coat.

CAUTION! Never store with fuel in tank for more than 30 days without stabilizer.

Safety Information

Always follow safety guidelines to prevent injury.

Wear protective equipment: Safety glasses, sturdy shoes, long pants.
Clear mowing area: Remove stones, toys, and other objects.
Never mow wet grass: Increases slipping risk and clogs deck.
Keep hands and feet away: From rotating blades and discharge area.
Stop engine: Before unclogging, adjusting, or leaving mower unattended.
Use RCD-protected outlet: If electric start model.
Keep children and pets away: From mowing area.

DANGER! Blade rotates at high speed; serious injury can occur if safety rules are not followed.

Warranty & Support

Ariens provides limited warranty coverage for residential use. Register product online at www.ariens.com. Warranty covers defects in materials/workmanship for specified periods: 2 years for mower, 3 years for deck, 2 years for engine (Briggs & Stratton warranty applies). Keep receipt as proof of purchase. For support, contact Ariens Customer Service at 1-920-756-4688 or visit www.ariens.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel, stale fuel, clogged air filter	Add fresh fuel; clean/replace air filter; check spark plug.
Poor cutting performance	Dull blade, low engine speed	Sharpen or replace blade; set throttle to fast position.
Uneven cutting	Uneven tire pressure, bent blade	Check tire pressure; inspect and replace blade if bent.
Excessive vibration	Loose blade, damaged blade	Tighten blade bolt; replace damaged blade immediately.
Engine stalls during operation	Clogged deck, low oil level	Clean underside of deck; check and add oil if low.
Grass not discharging properly	Wet grass, clogged chute	Wait for grass to dry; stop engine and clear blockage.
Self-propelled drive not working	Drive belt loose or broken	Check drive belt tension; replace if worn or broken.

Service: For repairs beyond basic maintenance, contact authorized Ariens service center.

Support: 1-920-756-4688; www.ariens.com