Echo SRM-3800 TYPE1-E - Manual (Page 19)

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6. Accelerate to full throttle for 2 - 3 seconds to clear
any excess fuel in the engine, then return to idle.
Accelerate engine to full throttle to check for
smooth transition from idle to high speed. If engine
hesitates turn “L” needle CCW 1/8 turn and repeat
acceleration. Continue adjustment until smooth
acceleration results.
7. Check idle speed and reset if necessary as
described in item 5.
EIGHT CUTTER BLADE
•
Use only the blade designated by the manufacturer
for this model.
•
When crack is noticed on the blade, never use it,
but replace with a new one.
•
Round the teeth bottom for 1- 2 mm radius in order
to avoid the crack using a round file.
-
Rounded part is not to be sharpened.
- Sharpen each cutter equally so as to retain
the balance of the blade.
- In sharpening the edge by use of a grinder, do
not cool the cutter abruptly by immersing it in
water.
30
°
Cutter edge
Not sharpened
2R
2mm
Tooth bottom
MAGNETO
The unit is incorporated with a CDI (Capactior Discharge
Ignition) system, which does not require adjustment
of ignition timing and the contact breaker point gap.
Ensure wire connections and couplers assembling.
CAUTION
When strarting, idling adjustment speed
should be adjusted not to rotate the cutting
attachment. Correct idle speed is adjusted
2,900 to 3,100 r/min. Or 1/4 turn counter
clockwise from the point the cutting
attachment stops moving. When there is some
trouble with the carburetor, refer to your
distributor or dealer.