Murray 2691120-00 Lawn Mower Manual

The Murray 2691120-00 is a 21-inch push lawn mower featuring a Briggs & Stratton 550 Series 140cc gasoline engine, 3-in-1 mulching/bagging/side-discharge capability, single-lever height adjustment (6 positions: 1.25"-3.75"), durable steel deck, easy-start system, and rear-wheel drive. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: 21-inch steel cutting deck, Briggs & Stratton engine, rear grass bag, height adjustment lever, drive control bar, recoil starter.

Feature	Description
Engine	Briggs & Stratton 550 Series, 140cc, 4-cycle
Cutting Width	21 inches
Cutting Options	Mulch, Bag, Side Discharge
Height Adjustment	Single lever, 6 positions (1.25" to 3.75")
Drive System	Rear-wheel drive with drive control bar
Deck Material	Powder-coated steel
Starter	Recoil (pull-start)
Fuel Tank	0.95 quarts (0.9 liters)
Wheels	8-inch rear, 7-inch front
Weight	Approximately 57 lbs (25.9 kg)

Assembly Instructions

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

Attach handle: Align lower handle with deck brackets, secure with provided bolts and wing nuts.
Install upper handle: Connect to lower handle, tighten knobs.
Attach grass bag: Hook bag frame onto rear deck brackets; ensure bag is fully seated.
Install side discharge chute (if not mulching): Snap into place on right side of deck.
Add engine oil: Fill with SAE 30 detergent oil (approx. 20 oz / 0.6L) – check dipstick.
Add gasoline: Use fresh unleaded gasoline (87 octane minimum). Do not overfill.

WARNING! Keep hands and feet clear of cutting blade during assembly. Ensure all fasteners are tight.

First-Time Setup

Before first use, complete pre-operation checks.

Check oil level: Ensure oil is at full mark on dipstick.
Check fuel: Fill with fresh gasoline.
Inspect blade: Ensure it is sharp, undamaged, and securely fastened.
Adjust cutting height: Set lever to desired position (middle setting recommended for first mow).
Test controls: Verify drive control bar engages wheels smoothly; safety blade control stops blade when released.

CAUTION! Operate only in well-ventilated areas. Keep children and pets away during startup and operation.

Specifications

Model: Murray 2691120-00
Engine: Briggs & Stratton 550 Series, 140cc, 4-cycle, OHV
Cutting Width: 21 inches
Cutting Height Range: 1.25 - 3.75 inches (6 positions)
Deck: 21-inch steel, powder-coated
Drive: Rear-wheel drive
Fuel Capacity: 0.95 quarts (0.9 liters)
Oil Capacity: 20 oz (0.6L) SAE 30
Warranty: 2-year limited

Controls and Operation

Main Controls: Engine throttle control, drive control bar, safety blade control (bail), height adjustment lever, recoil starter grip.

Starting:

Move throttle to FAST position.
Prime engine (if equipped) by pressing primer bulb 3 times.
Pull recoil starter briskly.

Operating: Hold safety blade control against handle to engage blade. Press drive control bar to engage wheels. Release both to stop blade and drive.

Stopping: Release safety blade control. Move throttle to STOP. Disconnect spark plug wire for storage.

Cutting Height Adjustment

Single lever adjusts all four wheels simultaneously.

Stop engine and wait for blade to stop completely.
Pull height adjustment lever outward and move to desired position (1-6).
Release lever to lock into place.
Positions: 1 (1.25") for short grass, 3 (2.5") for regular mowing, 6 (3.75") for tall grass.

Tip: Never adjust height while engine is running. Mow at highest setting for first cut of season or overgrown grass.

3-in-1 Function Setup

Configure for mulching, bagging, or side discharge.

Mulching: Install mulch plug (blocks discharge chute). Grass is cut finely and returned to lawn.
Bagging: Remove mulch plug, attach grass bag to rear brackets.
Side Discharge: Remove mulch plug and bag; install side discharge chute.

WARNING! Always stop engine before changing cutting mode. Ensure all attachments are securely installed.

Safety Features

Safety Blade Control (Bail): Blade stops within 3 seconds of release. Blade Brake Clutch: Stops blade while engine runs. Rear Discharge: Redirects clippings downward. Safety Labels: Read and obey all labels on mower.

Maintenance Schedule

Regular maintenance ensures long life and safe operation.

Interval	Task
Before each use	Check oil level, inspect blade for damage, clear deck of debris
Every 25 hours	Change engine oil, check air filter, sharpen blade
Every season	Replace spark plug, clean underside of deck, check wheel bolts
Storage	Drain fuel or add stabilizer, clean entire mower, store in dry place

CAUTION! Disconnect spark plug wire before performing any maintenance.

Warranty Information

Murray 2691120-00 includes a 2-year limited warranty for residential use. Warranty covers defects in materials/workmanship. Not covered: normal wear, misuse, lack of maintenance, commercial use. For warranty service, contact Murray customer service at 1-800-269-6215 or visit www.murray.com. Keep dated sales receipt as proof of purchase.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel, old gas, clogged air filter	Add fresh fuel; clean/replace air filter; check spark plug.
Engine runs poorly	Dirty carburetor, old fuel	Use fuel stabilizer; clean carburetor; replace fuel filter.
Uneven cut	Dull blade, uneven tire pressure	Sharpen or replace blade; check tire pressure (20 PSI).
Mower vibrates excessively	Loose blade, debris in deck	Tighten blade bolt; clean underside of deck.
Wheels not driving	Drive cable loose or broken	Adjust drive cable tension; replace if broken.

Reset: For safety interlock issues, ensure blade control is fully engaged and drive cable is adjusted.

Service: 1-800-269-6215; www.murray.com