Echo SRM - 280U Trimmer User Manual


 
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1. POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter.
2. THROTTLE TRIGGER LOCKOUT - This lever must be held during starting. Operation of the throttle trigger is
prevented unless throttle trigger lockout lever is engaged.
3. STOP SWITCH - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD
to RUN, BACK to STOP.
4. THROTTLE TRIGGER - Controls engine speed. Spring loaded to return to idle when released. During accelera-
tion, press trigger gradually for best operating technique.
5. DRIVE SHAFT ASSEMBLY - Includes the Rear (right hand) Handle assembly, Gear Housing assembly, Front
(loop, left hand) Handle assembly, metal drive shaft and Safety Decal.
6. NYLON CUTTER HEAD - Contains replaceable nylon trimming line that advances when the trimmer head is
tapped against the ground while the head is turning at normal operating speed.
7. CUT-OFF KNIFE - Automatically trims line to the correct length: 5" after head is tapped on the ground. If trimmer
is operated without a cut-off knife, the line will become too long, the engine will overheat, and engine damage may
occur.
8. 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 Assem-
bly just above the cutting attachment. Helps protect the operator by deecting debris produced during the trimming
operation. This shield must be replaced with the metal shield for blade use.
9. U-HANDLE - Required for metal blade operation.
10. HIP PAD - Used to protect hip/leg and clothing when using U-handle equipped unit.
11. SHOULDER HARNESS- An adjustable strap that suspends the unit from the operator. Using the strap reduces
operator fatigue.
12. BLADE - Circular blade for grass, weed or brush cutting applications. Harness, metal shield & U-handles required
for blade operation.
13. METAL BLADE SHIELD - Required when unit is equipped with blades. Do not operate unit without shield.
14. SPARK PLUG - Provides spark to ignite fuel mixture.
15. ARM REST - Provides arm rest during operation and protects arm from the hot engine.
16. SPARK ARRESTOR MUFFLER OR SPARK ARRESTOR MUFFLER WITH CATALYST -The mufer or
catalytic mufer controls exhaust noise and emission. The spark arrestor screen prevents hot, glowing particles of
carbon from leaving the mufer. Keep exhaust area clear of ammable debris.
17. FUEL TANK - Contains fuel and fuel lter.
18. RECOIL STARTER HANDLE - Pull handle slowly until starter engages, then quickly and rmly. When engine
starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.
19. FUEL TANK CAP - Covers and seals fuel tank opening.
20. PURGE BULB - Pumping purge bulb before starting engine draws fresh fuel from the fuel tank, purging air from
the carburetor. Pump purge bulb until fuel is visible and ows freely in the clear fuel tank return line. Pump purge
bulb an additional 4 or 5 times.
21. AIR CLEANER - Contains replaceable lter element.
22. CHOKE - The choke control is located at the rear of the air cleaner housing. Move choke lever to Cold Start
( ) to close choke for cold start. Move choke lever to "Run" ( ) position to open choke.