The STIHL Hedge Trimmer Parts Manual provides comprehensive information on the components, assembly, maintenance, and replacement parts for STIHL hedge trimmer models. This manual is essential for proper identification, ordering, and installation of genuine STIHL parts to ensure optimal performance, safety, and longevity of your hedge trimming equipment. Below are key sections covering parts diagrams, specifications, ordering information, maintenance procedures, and safety guidelines.
Detailed illustrations showing the complete breakdown of STIHL hedge trimmer models, including part numbers and assembly relationships.
| Diagram Section | Description |
|---|---|
| Cutter Bar Assembly | Blades, guide plates, bolts, and lubrication points |
| Power Unit | Engine/motor components, ignition system, fuel system (gas models), electrical system (electric models) |
| Drive System | Drive shaft, gear housing, clutch, and coupling |
| Handle & Controls | Throttle trigger, lockout, handle grips, vibration damping elements |
| Safety Features | Hand guard, blade cover, safety switch |
| External Casing | Housing, covers, screws, and fasteners |
Technical details for key hedge trimmer parts.
Always use genuine STIHL parts to maintain performance and warranty coverage.
WARNING! Non-genuine parts may void warranty and compromise safety.
For new units or major part replacements.
CAUTION! Disconnect spark plug (gas) or power cord (electric) before assembly.
Regular maintenance part replacement schedule.
| Part | Maintenance Interval | Replacement Procedure |
|---|---|---|
| Cutter Blades | Sharpen as needed; replace if damaged | Remove bolts, replace blades, lubricate, retorque |
| Air Filter (gas) | Every 25 hours or as needed | Remove cover, clean or replace filter |
| Spark Plug (gas) | Every 100 hours | Disconnect wire, remove old plug, gap and install new |
| Lubrication Points | Before each use | Apply oil to cutter bar and gear housing (if applicable) |
Critical parts that ensure safe operation.
IMPORTANT: Never operate with damaged or missing safety parts.
| Symptom | Possible Part Issue | Corrective Action |
|---|---|---|
| Reduced cutting performance | Dull or damaged blades | Sharpen or replace cutter blades |
| Excessive vibration | Worn drive components or loose fasteners | Inspect drive shaft, gear housing, tighten all bolts |
| Engine won't start (gas) | Fouled spark plug, clogged air filter | Replace spark plug, clean/replace air filter |
| Blades not moving | Broken drive shaft or coupling | Inspect and replace damaged drive components |
| Oil leakage | Worn seals or gaskets | Identify source, replace appropriate seals |
STIHL limited warranty covers defects in materials and workmanship. Using non-genuine parts or improper installation may void warranty. Keep purchase receipt and record serial number. Warranty service must be performed by an authorized STIHL dealer.
Proper care extends part life.
CAUTION! Always disconnect power before cleaning or maintenance.
STIHL hedge trimmers comply with applicable safety standards (ANSI/OPEI B175.3, EPA regulations for gas models). Contains parts that may be subject to California Proposition 65 warnings. Proper disposal of used parts (especially oil and filters) is required by local regulations.
Q: Can I sharpen the blades myself?
A: Yes, with proper tools and following STIHL guidelines, but replacement is often recommended for optimal performance.
Q: Where do I find my model number?
A: On the serial plate, typically located on the rear housing or near the handle.
Q: Are parts interchangeable between models?
A: No, always use parts specified for your exact model number.
Q: How do I dispose of old parts?
A: Contact your local STIHL dealer or recycling center for proper disposal methods.
Support: Contact an authorized STIHL dealer or visit www.stihlusa.com for parts and technical assistance.