Stihl HL 100 Manual

The Stihl HL 100 is a professional-grade long-reach hedge trimmer designed for extended reach and precise trimming of tall hedges and shrubs. It features a powerful gasoline engine, adjustable telescopic shaft, double-sided cutting blades, anti-vibration system, and easy-to-use controls. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Gasoline engine, Telescopic shaft, Double-sided cutting blade, Anti-vibration handles, Throttle trigger lockout, Fuel tank, Oil reservoir.

Feature	Description
Telescopic shaft	Adjustable length for extended reach (2.1m to 3.1m)
Double-sided blade	60cm cutting length, tooth spacing 20mm
Anti-vibration system	Reduces operator fatigue during extended use
Throttle trigger lockout	Prevents accidental throttle engagement
Fuel tank capacity	0.55 liters
Oil reservoir	For automatic blade lubrication
STIHL QuickStop	Chain brake for immediate blade stop
Ergonomic handles	Padded front and rear handles for comfort
Spark arrestor muffler	Reduces fire risk in dry conditions
Weight	6.2 kg (without fuel)

Assembly Instructions

Unpack all components and inspect for damage. Assembly requires basic tools.

1. Attach cutting head: Align shaft with head, secure with provided bolts.
2. Install handle: Slide onto shaft at desired position, tighten clamp.
3. Connect throttle cable: Route cable through shaft, attach to trigger mechanism.
4. Fill fluids: Add STIHL HP Ultra oil to fuel mix (50:1), fill blade oil reservoir.
5. Check all fasteners: Ensure all bolts and clamps are securely tightened.

WARNING! Always wear protective gloves during assembly. Do not operate without proper assembly.

First-Time Operation

Before starting, read all safety instructions and wear proper PPE.

1. Fuel mixture: Use STIHL HP Ultra oil at 50:1 ratio with unleaded gasoline.
2. Starting procedure: Set switch to START, prime fuel bulb, set choke, pull starter cord.
3. Warm-up: Allow engine to idle for 30 seconds before applying throttle.
4. Blade lubrication: Check oil flow by holding trimmer over light surface.
5. Adjust shaft length: Loosen clamp, extend to desired length, retighten.

CAUTION! Never operate without proper personal protective equipment (helmet, goggles, gloves, ear protection).

Specifications

• Engine Type: 2-stroke gasoline engine
• Displacement: 27.2 cc
• Power Output: 0.9 kW / 1.2 hp
• Fuel Consumption: Approx. 0.6 L/h at maximum power
• Cutting Length: 60 cm
• Tooth Spacing: 20 mm
• Max. Cutting Diameter: 20 mm
• Shaft Length: Adjustable 2.1m to 3.1m
• Sound Pressure Level: 94 dB(A)
• Vibration Level: Front handle 4.2 m/s², Rear handle 3.8 m/s²

Controls and Settings

Main controls located on rear handle assembly.

Handle Controls: Throttle trigger, Throttle trigger lockout, Stop switch, Shaft length adjustment clamp.

Engine Controls: Choke lever, Fuel primer bulb, Air purge button, Decompression valve.

Adjustments: Shaft length (loosen clamp, slide to position, retighten), Handle rotation (loosen bolts, rotate to comfortable angle), Blade lubrication rate (adjust screw on oil tank).

Fuel and Lubrication

Use only STIHL recommended fuels and lubricants.

1. Fuel mixture: 50:1 ratio of unleaded gasoline (min. 90 octane) to STIHL HP Ultra oil.
2. Blade oil: STIHL hedge trimmer oil or equivalent.
3. Mixing procedure: Add oil to clean container first, then add gasoline, mix thoroughly.
4. Storage: Use fuel within 30 days; add fuel stabilizer for longer storage.

Tip: Always mix fuel in approved container. Never use straight gasoline or automotive oil.

Cutting Techniques

Proper technique ensures clean cuts and reduces operator fatigue.

1. Starting position: Stand firmly with feet shoulder-width apart.
2. Cutting motion: Use smooth, sweeping motions from bottom to top.
3. Angle: Hold trimmer at slight angle (5-10 degrees) for optimal cutting.
4. Thickness: Do not exceed 20mm branch diameter.
5. Maintenance cuts: Trim regularly to maintain hedge shape and health.
6. Top cutting: Use ladder or platform for very tall hedges; never overreach.
7. Blade care: Frequently clean blade of sap and debris during use.

WARNING! Keep both hands on handles at all times. Watch for bystanders, especially children and pets.

Safety Features

STIHL QuickStop: Chain brake stops blade within seconds of release. Throttle trigger lockout: Prevents accidental throttle engagement. Anti-vibration system: Reduces vibration transmission to operator. Spark arrestor: Prevents hot particles from exiting muffler.

Maintenance & Storage

Regular maintenance ensures optimal performance and longevity.

Daily: Clean air filter, check blade for damage, inspect fasteners.

Weekly: Clean cooling fins, check spark plug, sharpen blade if needed.

Monthly: Clean fuel filter, check fuel lines, inspect anti-vibration elements.

Storage: Drain fuel tank, run engine until it stops, clean entire unit, store in dry place.

CAUTION! Always disconnect spark plug before performing maintenance. Use only STIHL replacement parts.

Regulatory Information

Complies with ANSI B175.3 safety standards for handheld power tools. EPA certified for emissions. EU noise emission 2000/14/EC. Copyright © STIHL Incorporated. All trademarks owned by STIHL. For support, visit www.stihlusa.com or contact 1-800-467-8445.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel issues, spark plug	Check fuel mixture, clean spark plug, ensure choke setting correct.
Engine runs poorly	Air filter, carburetor	Clean or replace air filter, check carburetor adjustment.
Excessive vibration	Loose components, blade	Tighten all fasteners, check blade balance and sharpness.
Blade not cutting well	Dull blade, lubrication	Sharpen blade teeth, check oil flow to cutting blade.
Oil leaking	Seals, overfilling	Check oil tank seals, ensure not overfilled, replace if damaged.

Reset: For electronic issues, disconnect spark plug for 5 minutes to reset system.

Service: 1-800-467-8445; www.stihlusa.com for authorized service centers.