Operation - Echo SRM-400 Operator's Manual

Oil
Gasoline
Fuel mix chart
(50 : 1)
US
GAS OIL
GAL FL OZ
1 2.6
2 5.1
5 12.8
Throttle trigger
COLD START (Close)
Purge bulb
Choke lever

OPERATION

1
50
METRIC
GAS OIL
L mL
4 80
8 160
20 400
Ignition switch
Throttle control lockout
RUN (Open)
Fuel return line
GENERAL CHECK
• Eneure that all nuts, screws and bolts installed
are properly tightened.
FUEL STATEMENT
GASOLINE : Use 89 octane (
gasohol known to be good quality. Gasohol may
contain maximum 10% ethyl (grain) alcohol or 15%
MTBE (methyl tertiary-butyl ether). Gasohol
containing methyl (wood) alcohol is not approved.
OIL : ECHO brand premium two-stroke 50:1 oil is
reguirred.
Mix oil and gasoline /gasohol according to
insturctions on the oil container label.
MIXING : Follow directions on the oil container.
IMPORTANT
Stored fuel ages. Do not mix more fuel than
you expect to use in thirty (30) days, ninety
(90) days when a fuel stabilizer is added.
Stored two-stroke fuel may separata.
ALWAYS shake fuel container thoroughly
before each use.
STARTING COLD ENGINE
• Slide switch to START/RUN position as shown.
• Push purge bulb 3 or 4 times (or until constant
flow of fuel is visible in fuel return line.)
• Move choke lever to COLD START (Close)
position.
• Press the decompression device.
• Pull recoil starter until the engine fires. Now,
move choke lever to RUN (open) position, and
if necessary, restart the engine again and allow
to warm up for a few minutes before using.
• After idling, gradually open throttle and cutter
blade will start to operate as the engine attains
clutch engagement speed of 3,500 r/min
approximately.
NOTE
Recoil starter : Use short pulls - only 1/2 - 2/3 of
starter rope for starting. Do not let starter rope
snap back in .
Always hold the unit firmly.
7
R+M
) gasoline or
2