Stihl FS 36 Parts Manual

The Stihl FS 36 is a lightweight, straight-shaft grass trimmer/brushcutter designed for residential and light commercial use. This parts manual provides detailed diagrams, part numbers, and descriptions for all components of the FS 36, including the engine, drive shaft, cutting head, handles, and safety features. It is intended for maintenance, repair, and ordering genuine Stihl replacement parts to ensure optimal performance and safety. Below are key sections for identification, engine components, drive system, cutting attachments, controls, and ordering information.

Machine Identification & Safety

Key identifiers: Model FS 36, serial number location on engine housing. Safety components: Throttle trigger lockout, stop switch, deflector shield, warning labels.

Component	Description
Model Plate	Located on engine housing; shows model FS 36, serial number
Throttle Trigger Lockout	Prevents accidental throttle engagement
Stop Switch	I/O switch to stop engine
Deflector Shield	Protects operator from debris
Warning Labels	Safety instructions on housing
Vibration Dampening	Integrated into handle and shaft
Spark Arrestor Muffler	Standard equipment for fire safety
Right Handle Grip	Main control handle with throttle
Shaft Housing	Encloses drive shaft
Carrying Harness Attachment	Points on gearbox and handle

Engine Assembly & Components

Single-cylinder, two-stroke air-cooled engine. Includes cylinder, piston, crankshaft, fan housing, starter assembly.

1. Cylinder & Piston: Cylinder, piston, rings, wrist pin, circlips.
2. Crankshaft: Crankshaft assembly, bearings, seals.
3. Fan Housing & Cooling: Fan, housing, cover, cooling fins.
4. Starter Assembly: Starter rope, pulley, spring, handle.
5. Engine Mounts: Rubber isolators, mounting brackets.

WARNING! Disconnect spark plug before servicing engine components. Use genuine Stihl parts only.

Fuel System Parts

Includes fuel tank, cap, filter, lines, carburetor, and primer bulb.

1. Fuel Tank: Polyethylene tank, vent, cap with tether.
2. Fuel Filter: In-tank filter element.
3. Fuel Lines: Supply and return lines.
4. Carburetor: Zama or Walbro carburetor, gaskets, adjustment screws.
5. Primer Bulb: Fuel system primer.

CAUTION! Drain fuel before servicing. Use Stihl-approved fuel mix (50:1).

Ignition System Parts

• Spark Plug: Bosch WSR6F or equivalent.
• Ignition Module: Electronic ignition coil, kill wire.
• Stop Switch: Wire harness, switch assembly.
• Spark Plug Boot: Insulated boot and cap.
• Wiring: Lead from coil to stop switch.

Drive Shaft & Gearbox

Flexible drive shaft inside tube. Gearbox at lower end for attachment drive.

Drive Shaft: Flexible steel shaft, upper and lower couplings.

Gearbox: Bevel gear assembly, grease, seals, output shaft.

Shaft Tube: Aluminum tube, bearing points.

Clutch: Centrifugal clutch assembly, springs, shoes.

Anti-Vibration Elements: Rubber dampeners in shaft mounts.

Cutting Attachments & Guards

Accepts trimmer heads and blades. Includes guard and mounting hardware.

1. Turn off engine and ensure stop before changing attachments.
2. Cutting Head: AutoCut or PolyCut head, spool, line.
3. Metal Blades: Circular grass blade, brush knife (if equipped).
4. Deflector Guard: Shield assembly, mounting bracket.
5. Attachment Nut: Special nut for securing attachments.

Tip: Always use appropriate guard for attachment type.

Handle & Control Parts

Loop handle with controls. Includes throttle, lockout, and wiring.

1. Handle Assembly: Loop handle, clamp, bolts.
2. Throttle Trigger: Trigger, cable, return spring.
3. Throttle Lockout: Lever, pivot, spring.
4. Handle Grip: Rubber grip, retaining ring.
5. Control Cable: Throttle cable from handle to carburetor.
6. Wiring Harness: From handle to stop switch and ignition.

WARNING! Ensure throttle cable is properly adjusted and moves freely.

Housing & Covers

Plastic housing parts: engine cover, air filter cover, starter cover, muffler cover.

Fasteners & Hardware

Screws, nuts, washers, clips specific to FS 36. Use correct Stihl part numbers.

CAUTION! Do not substitute with non-genuine hardware; may affect safety.

Exploded Views & Diagrams

Reference diagrams for each assembly: Engine, fuel system, drive, cutting attachment, handle. Diagrams show part numbers and assembly order.

Parts Ordering & Support

Issue	Common Part Needed	Ordering Information
Engine won't start	Spark plug, fuel filter	Use part numbers from diagrams; order from Stihl dealer.
Loss of power	Piston rings, carburetor kit	Specify FS 36 model and serial number.
Drive shaft broken	Flexible drive shaft	Order complete shaft assembly or couplings.
Trimmer head worn	Cutting head, line spool	Specify AutoCut or PolyCut head type.
Vibration excessive	Anti-vibration mounts	Replace rubber dampeners in handle and shaft.

Genuine Parts: Always use Stihl original parts for warranty and safety.

Support: Contact authorized Stihl dealer; visit www.stihlusa.com for parts diagrams.