Murray 309006 190A Series Lawn Mower Manual

The Murray 309006 190A Series is a walk-behind, self-propelled lawn mower featuring a Briggs & Stratton engine, 21-inch cutting deck, 3-in-1 mulch/bag/side-discharge capability, single-lever height adjustment, rear-wheel drive, and easy-start system. 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. Mulching, Bagging & Side Discharge 8. Maintenance Schedule 9. Storage & Winterization 10. Safety Information 11. Troubleshooting

Features at a Glance

Key components: 21-inch steel cutting deck, Briggs & Stratton engine, rear-wheel drive system, single-lever height adjustment, 3-in-1 capability, grass bag, and mulching plug.

Feature	Description
Cutting Width	21-inch steel deck
Engine	Briggs & Stratton 190cc OHV engine
Drive System	Self-propelled rear-wheel drive
Cutting Height	Single-lever adjustment (1.5" to 4")
3-in-1 Function	Mulch, bag, or side discharge
Start System	Easy-start recoil
Wheels	8-inch rear, 7-inch front
Bag Capacity	2.5 bushels
Handle	Foldable for storage
Safety Features	Blade control lever, operator presence control

Assembly Instructions

Unpack and inspect all parts. Assemble on a flat, stable surface.

Attach handle: Secure upper and lower handle sections with provided bolts and wing nuts.
Install grass bag: Attach bag support frame to deck rear, then hook bag onto frame.
Attach mulching plug: Insert plug into discharge chute when mulching.
Add oil and gasoline: Fill engine with SAE 30 oil (check dipstick) and unleaded gasoline.

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

First-Time Setup

Before first use, complete assembly and perform pre-operation checks.

Check oil level: Ensure oil is at full mark on dipstick.
Add fuel: Use fresh unleaded gasoline; do not overfill.
Adjust cutting height: Set lever to desired height (recommend 3" for first mow).
Test controls: Engage blade control lever and drive control to ensure proper operation.

CAUTION! Always operate outdoors in well-ventilated area. Keep children and pets away.

Specifications

Model Series: Murray 309006 190A
Engine: Briggs & Stratton 190cc, 4-cycle OHV
Cutting Width: 21 inches
Cutting Heights: 1.5" to 4" (6 positions)
Drive: Self-propelled rear-wheel drive
Wheels: 8" rear, 7" front
Bag Capacity: 2.5 bushels
Weight: Approx. 65 lbs
Fuel Tank: 1.0 quart
Oil Capacity: 20 oz (SAE 30)

Controls and Operation

Handle Controls: Blade control lever, drive control lever, height adjustment lever.

Starting: 1. Push primer bulb 3 times (cold engine). 2. Set throttle to FAST. 3. Pull recoil starter. Stopping: Release blade control lever; engine will stop.

Self-Propelled Operation: Squeeze drive control lever to handle to engage drive; release to stop. Speed is controlled by throttle setting.

Safety: Always release both levers to stop blade and drive. Do not mow on slopes greater than 15 degrees.

Cutting Height Adjustment

Single-lever adjustment changes height for all four wheels simultaneously.

Stop engine and wait for blade to stop completely.
Pull height adjustment lever outward and move to desired position (1.5", 2", 2.5", 3", 3.5", 4").
Release lever to lock into position.
Test by rolling mower to ensure all wheels are at same height.

Tip: For healthier grass, never cut more than 1/3 of grass blade length at one time.

Mulching, Bagging & Side Discharge

3-in-1 system allows choice of cutting style.

Mulching: Install mulching plug in discharge chute. Cuts clippings finely and returns to lawn as fertilizer.
Bagging: Remove mulching plug, attach grass bag. Collects clippings for disposal.
Side Discharge: Remove both plug and bag. Clippings discharge to side (use with optional grass deflector).

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

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Interval	Task
Before each use	Check oil level, inspect blade for damage, clear deck of debris
Every 25 hours	Change oil (or annually), check air filter, inspect spark plug
Every season	Sharpen or replace blade, clean underside of deck, lubricate wheels
As needed	Replace air filter, spark plug, drive belt

CAUTION! Disconnect spark plug wire before performing any maintenance.

Storage & Winterization

Proper storage prevents fuel system damage and corrosion.

Add fuel stabilizer to tank and run engine for 5 minutes to circulate.
Drain or run engine until fuel tank is empty.
Change oil and replace air filter.
Clean entire mower, especially underside of deck.
Store in dry, covered area.

CAUTION! Never store with gasoline in tank indoors or in enclosed spaces.

Safety Information

Read and understand all safety instructions before operation.

Always wear sturdy shoes and eye protection.
Clear mowing area of stones, sticks, and other objects.
Do not mow when grass is wet or during rain.
Never allow children to operate mower.
Always push mower forward; never pull backward.
Stop engine and wait for blade to stop before crossing gravel drives or roads.
Use extreme caution when mowing on slopes.

DANGER! Rotating blade can cause severe injury. Keep hands and feet away.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel, old gasoline, clogged air filter	Add fresh fuel, clean/replace air filter, check spark plug
Engine runs poorly	Dirty air filter, old gasoline	Clean air filter, drain and replace fuel
Uneven cutting	Dull blade, uneven tire pressure	Sharpen or replace blade, check tire pressure
Mower doesn't self-propel	Drive belt worn or broken	Inspect and replace drive belt if necessary
Excessive vibration	Loose blade, bent blade shaft	Tighten blade bolt or replace damaged components

Service: For technical support, contact Murray customer service at 1-800-800-7310 or visit www.murray.com