81. POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter.2. GRIP - Rear (right hand) handle.3 THROTTLE TRIGGER LOCKOUT - This lever must be held during starting. Operation of the throttle trigger isprevented unless throttle trigger lockout lever is engaged.4. STOP SWITCH - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD toRUN, BACK to STOP.5. FRONT HANDLE - The Front (loop) handle is loosely assembled to the Drive Shaft assembly and must be posi-tioned for proper cutting attitude and operator comfort.6. DRIVE SHAFT ASSEMBLY - Includes the Rear (right hand) Handle assembly, Gear Housing assembly, Front (loop,left hand) Handle assembly, steel drive shaft and Safety Decal.7. NYLON CUTTER HEAD - Contains replaceable nylon trimming line that advances when the trimmer head is tappedagainst the ground while the head is turning at normal operating speed.8. CUT-OFF KNIFE - Automatically trims line to the correct length: 5" after head is tapped on the ground. If trimmer isoperated without a cut-off knife, the line will become too long, the engine will overheat, and engine damage mayoccur.9. PLASTIC DEBRIS SHIELD ASSEMBLY - Included in plastic bag (co-pack). MUST be installed on unit before use,see Assembly Instructions. Shield assembly includes the Cut-Off Knife. Mounts on the Gear Housing Assembly justabove the cutting attachment. Helps protect the operator by deflecting debris produced during the trimming opera-tion. This shield must be replaced with the steel shield for blade use.10. THROTTLE TRIGGER - Spring loaded to return to idle when released. During acceleration, press trigger graduallyfor best operating technique.11. SPARK PLUG - Provides spark to ignite fuel mixture.12. ARM REST - Provides arm rest during operation and protects arm from the hot engine.13. SPARK ARRESTOR - CATALYTIC MUFFLER / MUFFLER -The muffler or catalytic muffler controls exhaust noiseand emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keepexhaust area clear of flammable debris.14. FUEL TANK - Contains fuel and fuel filter.15. RECOIL STARTER HANDLE - Pull handle slowly until starter engages, then quickly and firmly. When enginestarts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.16. FUEL TANK CAP - Covers and seals fuel tank opening.17. PURGE BULB - Pumping purge bulb before starting engine draws fresh fuel from the fuel tank, purging air from thecarburetor. Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line. Pump purge bulban additional 4 or 5 times.18. AIR CLEANER - Contains replaceable filter element.19. CHOKE - The choke control is located on the top of the air filter case. Move choke lever to "Cold Start" ( ) toclose choke for cold start. Move choke lever to "Run" ( ) position to open choke.