8
1. 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 is
prevented unless throttle trigger lockout lever is engaged.
4. STOP SWITCH - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD to
RUN, BACK to STOP.
5. FRONT HANDLE - The Front (loop) handle is loosely assembled to the Drive Shaft assembly and must be positioned
for proper cutting attitude and operator comfort.
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 Assembly just
above the cutting attachment. Helps protect the operator by deflecting debris produced during the trimming operation.
9. 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.
10. THROTTLE TRIGGER - Spring loaded to return to idle when released. During acceleration, press trigger gradually for
best operating technique.
11. SPARK ARRESTOR - CATALYTIC MUFFLER / MUFFLER -The muffler or catalytic muffler controls exhaust noise
and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep
exhaust area clear of flammable debris.
12. FUEL TANK - Contains fuel and fuel filter.
13. I-30 RECOIL STARTER/HANDLE - i30 spring-assisted recoil starter requires 30% less pulling force than standard
recoil starter. Pull handle slowly until starter engages, then quickly and firmly. When engine starts, return handle
slowly. DO NOT let handle snap back or damage to unit will occur.
14. FUEL TANK CAP - Covers and seals fuel tank opening.
15. CHOKE - The choke control is located on the top of the air filter case. Move choke lever to "Cold Start" (
) to
close choke for cold start. Move choke lever to "Run" (
) position to open choke.
16. AIR CLEANER - Contains replaceable filter element.
17. 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 flows freely in the clear fuel tank return line. Pump purge bulb
an additional 4 or 5 times.
18. SPARK PLUG - Provides spark to ignite fuel mixture.
Summary of Contents for srm-251e
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Page 27: ...GRASS TRIMMER BRUSH CUTTER OPERATOR S MANUAL 27 NOTES...
