Stihl BR600 Blower Manual

The Stihl BR600 is a professional-grade backpack blower designed for demanding commercial and residential applications. It features a powerful 64.8 cc engine, high air volume and velocity, ergonomic harness system, anti-vibration technology, and easy-start system. Below are key sections for safety, features, operation, maintenance, troubleshooting, and specifications.

Features at a Glance

Key components: 64.8 cc 2-MIX engine, Ergonomic backpack harness, Throttle trigger lockout, Air purge bulb, Decompression valve, Anti-vibration system, Transparent fuel tank.

Feature	Description
Engine	64.8 cc Stihl 2-MIX engine for reduced emissions and fuel consumption
Air Volume	Up to 914 m³/h (538 CFM)
Air Speed	Up to 322 km/h (200 mph)
Harness System	Padded, adjustable backpack harness for comfort
Starting System	Easy2Start™ with decompression valve
Throttle Trigger	With lockout to prevent accidental operation
Fuel Tank	Transparent, 2.0 L (0.53 US gal) capacity
Anti-Vibration	Integrated system to reduce operator fatigue
Nozzle	Adjustable for concentrated or wide airflow
Spark Arrestor	Standard muffler with USDA approved spark arrestor

Safety Information

Read and understand all instructions before operation. Wear appropriate PPE.

1. Always wear eye protection, hearing protection, long pants, and sturdy shoes.
2. Never operate in wet conditions or near flammable materials.
3. Keep bystanders and pets at least 50 feet away.
4. Use only Stihl-approved fuel mixture (50:1 gasoline to 2-cycle oil).
5. Stop engine immediately if you feel unusual vibration or hear abnormal sounds.

WARNING! Gasoline is highly flammable. Refuel only with engine off and cool. Do not smoke near fuel.

Assembly & Preparation

Unpack and inspect contents. Assemble according to instructions.

1. Attach harness: Connect straps to mounting points on blower housing.
2. Install nozzle: Twist onto blower tube until secure.
3. Fuel mixture: Prepare 50:1 mix with Stihl HP Ultra oil and unleaded gasoline (min. 89 octane).
4. Fill fuel tank: Use funnel to avoid spills.
5. Check air filter: Ensure clean and properly seated.

CAUTION! Ensure all fasteners are tight before operation. Do not force components during assembly.

Specifications

• Engine Displacement: 64.8 cc (3.95 cu. in.)
• Power Output: 3.6 kW (4.8 bhp)
• Fuel Capacity: 2.0 L (0.53 US gal)
• Dry Weight: 10.1 kg (22.3 lbs)
• Sound Pressure Level: 104 dB(A)
• Sound Power Level: 116 dB(A)
• Vibration Levels (Front/Rear Handle): 3.5/2.5 m/s²
• Warranty: 1-year commercial, 2-year residential
• Emissions Compliance: EPA Phase III, CARB Tier III

Controls and Components

Main controls located on handle assembly. Engine components on main housing.

Handle Controls: Throttle trigger, Throttle trigger lockout, Stop switch (I/O), Choke lever (cold start), Air purge bulb, Decompression valve button.

Engine Components: Spark plug, Air filter cover, Fuel tank cap, Muffler, Starter grip, Carburetor adjustment screws (limited by EPA tamper-proof caps).

Harness: Adjustable shoulder straps, Chest strap, Waist belt, Quick-release buckles.

Starting & Stopping Procedure

Follow proper sequence for safe starting and stopping.

1. Cold Start: Place on flat surface. Set stop switch to "I". Press decompression valve. Set choke lever to full choke. Press air purge bulb 5-6 times. Pull starter cord slowly until resistance felt, then pull briskly. Move choke to half position after engine fires. Allow to warm up 30 seconds.
2. Warm Start: Choke in off position. Pull starter cord normally.
3. Stopping: Release throttle. Set stop switch to "O".

Tip: Do not pull starter cord more than 3-4 times with choke engaged if engine doesn't start.

Operating Instructions

Proper technique ensures efficiency and safety.

1. Don harness: Adjust straps for snug, comfortable fit with weight on hips.
2. Starting position: Place blower on ground, nozzle pointing away.
3. Begin blowing: Start with low throttle, increase as needed.
4. Movement pattern: Work with wind when possible. Use sweeping motions.
5. Nozzle adjustment: Rotate for focused stream or wide pattern.
6. Take breaks: Rest every 30-45 minutes to prevent fatigue.

WARNING! Never point nozzle at people, animals, or fragile objects. Be aware of flying debris.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Interval	Task
Daily	Check air filter, Clean exterior, Inspect for damage
25 hours	Clean/replace air filter, Check spark plug, Clean cooling fins
50 hours	Replace spark plug, Clean fuel filter, Check fuel lines
100 hours	Clean exhaust system, Check carburetor settings, Replace fuel filter
Seasonally	Replace air filter, Check all fasteners, Inspect harness

CAUTION! Always disconnect spark plug wire before performing maintenance.

Storage Guidelines

Proper storage prevents fuel system issues and corrosion.

1. Empty fuel tank or add fuel stabilizer.
2. Run engine until it stops to clear carburetor.
3. Clean entire unit thoroughly.
4. Store in dry, well-ventilated area.
5. Cover with breathable cloth (not plastic).

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

Warranty Information

Stihl BR600 comes with limited warranty: 1 year for commercial use, 2 years for residential use. Warranty covers defects in materials and workmanship. Not covered: normal wear, misuse, improper maintenance, unauthorized repairs. Keep purchase receipt for warranty validation. For warranty service, contact authorized Stihl dealer.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel, flooded, spark plug	Check fuel level; wait if flooded; check/replace spark plug.
Engine runs poorly	Dirty air filter, old fuel	Clean/replace air filter; drain old fuel and refill with fresh mix.
Loss of power	Clogged spark arrestor, carburetor	Clean spark arrestor screen; have dealer check carburetor.
Excessive vibration	Loose components, damaged impeller	Tighten all fasteners; inspect impeller for damage.
Hard to pull starter	Engine flooded, mechanical issue	Remove spark plug to clear flood; contact dealer if persistent.

Service: For repairs, contact authorized Stihl dealer only. Use genuine Stihl parts.

Support: 1-800-467-8445; www.stihlusa.com