stihl leaf blower br 600 manual

The STIHL BR 600 is a professional-grade backpack leaf blower featuring a powerful 4.2 HP engine, air volume up to 912 CFM, air speed up to 238 MPH, ergonomic harness system, anti-vibration technology, throttle trigger lock, cruise control, easy-start system, and a translucent fuel tank. It is designed for demanding commercial and residential clearing tasks. Below are key sections for safety, features, operation, maintenance, troubleshooting, and specifications.

1. Features at a Glance 2. Safety Information 3. Assembly & Preparation 4. Specifications 5. Controls and Functions 6. Operation Instructions 7. Fuel & Lubrication 8. Maintenance & Cleaning 9. Storage Guidelines 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: 4-MIX engine, backpack frame with padded harness, adjustable blower tube, throttle trigger with lockout, cruise control lever, air filter cover, fuel tank, and starter grip.

FeatureDescription
Engine TypeSTIHL 4-MIX, single-cylinder, 4-stroke
Displacement64.8 cm³ (3.95 cu. in.)
Power Output4.2 HP (3.1 kW)
Maximum Air Volume912 CFM (430 m³/h)
Maximum Air Speed238 MPH (383 km/h)
Fuel Tank Capacity1.9 L (64.4 fl. oz.)
Sound Pressure LevelTypically 107 dB(A)
Weight (without fuel)Approx. 10.8 kg (23.8 lbs)
Harness SystemPadded, adjustable shoulder and waist straps
Starter SystemSTIHL Easy2Start™

Safety Information

Read all instructions before operation. Wear appropriate PPE.

  1. Personal Protective Equipment: Always wear safety glasses, hearing protection, long pants, closed-toe shoes, and gloves.
  2. Operating Area: Keep bystanders, children, and pets at least 50 feet away. Be aware of debris and dust.
  3. Fuel Safety: Refuel in well-ventilated area with engine off and cool. Use STIHL MotoMix® or 89+ octane gasoline with STIHL HP Ultra 2-stroke oil (50:1 mix).
  4. Hot Surfaces: Avoid contact with muffler and cylinder during/after operation.

WARNING! Risk of fire, explosion, hearing loss, and projectile injury. Operate with care.

Assembly & Preparation

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

  1. Attach blower tube: Align tube with blower outlet and twist clockwise until it locks.
  2. Adjust tube length: Loosen locking collar, extend or retract tube, then tighten collar.
  3. Install harness: Thread shoulder straps through frame loops; adjust waist belt for snug fit.
  4. Add fuel: Use approved fuel mix. Fill tank to 80% capacity to allow for expansion.
  5. Pre-start check: Ensure all fasteners are tight, tube is secure, and area is clear.

CAUTION! Do not operate if any parts are damaged or missing.

Specifications

Controls and Functions

Main controls located on handle and engine housing.

Right Handle: Throttle trigger, throttle trigger lockout, cruise control lever, stop switch.

Engine Housing: Choke lever, primer bulb, fuel tank cap, air filter cover, starter grip.

Harness: Adjustable shoulder straps, padded back plate, quick-release buckle.

Settings: Choke positions (RUN, START, WARM START); cruise control for constant speed; Easy2Start reduces pulling force.

Operation Instructions

Starting, running, and stopping procedures.

  1. Put on harness and adjust for comfort.
  2. Move stop switch to RUN position.
  3. Set choke lever to START (cold) or WARM START.
  4. Press primer bulb 5-10 times until fuel is visible.
  5. Place unit on ground, hold handle, pull starter rope slowly until resistance, then pull briskly.
  6. After engine starts, move choke lever to RUN.
  7. Engage throttle trigger; use cruise control for extended operation.
  8. To stop: Release throttle, allow engine to idle briefly, move stop switch to STOP.

Tip: Keep blower tube at a low angle for best debris movement.

Fuel & Lubrication

Use only high-quality, unleaded gasoline (89 octane minimum) mixed with STIHL HP Ultra 2-stroke oil at 50:1 ratio.

  1. Mixing: Pour oil into clean fuel can, add gasoline, close, and shake thoroughly.
  2. Refueling: Clean area around cap. Use funnel. Do not overfill.
  3. Lubrication: Engine lubricated via fuel mix. No separate oil reservoir.
  4. Storage: Use fuel stabilizer if storing over 30 days.

WARNING! Never use straight gasoline, diesel, E85, or old/stale fuel.

Maintenance & Cleaning

Regular maintenance ensures performance and longevity.

Daily: Check for loose fasteners, clean air filter, inspect blower tube for cracks.

Weekly: Clean cooling fins, check spark plug, inspect fuel lines.

Monthly: Clean spark arrestor screen (if equipped), check harness straps.

Cleaning: Wipe exterior with damp cloth. Use compressed air to remove debris from intake and cooling areas.

CAUTION! Always disconnect spark plug wire before performing maintenance.

Storage Guidelines

Prepare unit for short-term or long-term storage.

  1. Short-term (under 30 days): Empty fuel tank or add fuel stabilizer, run engine for 2 minutes to circulate.
  2. Long-term: Drain all fuel from tank and carburetor. Remove spark plug, add 1 tsp of oil into cylinder, pull starter slowly to coat, reinstall plug.
  3. Clean entire unit thoroughly.
  4. Store in a cool, dry place, away from ignition sources.
  5. Cover with a breathable cloth to prevent dust accumulation.

Warranty Information

STIHL BR 600 includes a limited warranty for commercial and residential use. Warranty period varies by region and usage type. Proof of purchase required. Warranty does not cover normal wear, misuse, neglect, or improper fuel. For warranty service, contact an authorized STIHL servicing dealer. Keep this manual and purchase receipt for reference.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine will not startNo fuel, flooded, spark plug faultyCheck fuel level; set choke to WARM START and pull with throttle open; check/replace spark plug.
Engine starts then diesClogged air filter, fuel line issueClean or replace air filter; check fuel line for kinks/blockage.
Loss of powerDirty spark arrestor, clogged fuel filterClean spark arrestor screen; replace fuel filter.
Excessive vibrationLoose parts, damaged blower tubeTighten all fasteners; inspect tube for cracks/damage.
Air output weakTube blockage, worn impellerClear debris from tube; inspect impeller for damage.

Service: For repairs not covered here, contact an authorized STIHL dealer.

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

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