Sears 358.356090-3.7/20" Chainsaw User Manual


 
USING YOUR SAW .... i
i
A. CONTROL DEVICES
Understanding the control devices on your saw
is an important part of learning how to properly
and safely operate the unit. Figure 13. _
1: The ignition Switch is a!oggte switch which
is moved up for the "Start" position and mov-
ed down for the' "Stop" i_osition.
2. The two-position Choke helps to start the
saw by controlling the air flow to the fuel
system.
3. The Trigger accelerates and controls the
speed of the engine and is designed to be
used with the Throttle Lock.
THROTTLE
DETENT
BUTTON
bKE
ROTTLE
LOCKOUT
STARTtSTO
SWITCH
TRIGGER
OILER
START
: STARTtSTOP
SWITCH
HALF OFF
prevents the Trigger from becoming accident-
ly engaged. The Throttle Lock must be press-
ed before the Trigger can be activated.
5;The Throttle Detent Button holds the Throttle
Lock and Trigger in position while the engine
is being started. Release the Throttle Detent
Button after the engine is started by lightly
squeezing the trigger.
your right thumb. Use the manual oiler to SUp- _.
plemeht the automatic Oiler:
--during a long felling cut
--when cutting into a tog or tree which is
greater in diameter than the tength0f the
guide bar.
_--anytime an additional supply of oil is de-
sired.
B. STARTING INSTRUCTIONS
1. IMPORTANT POINTS
a. Push down onthe throttle lockout, squeeze
the trigger, press and hold down the throt-
tle detent button, then slowly release the
trigger.
b. Engage choke according to "Starting In-
structions" below.
c. Hold saw firmly with the saw chain free to
turn without contacting any object. Figure
14.
d. Pull starter rope quickly, using no more
than 15-18 inches of rope per pull. Using the
full length of the starter,rope may cause it to
break, Do not let the starter rope snap back.
Hold the handle and letthe rope rewindslowly.
e. Release the throttle detent button after en-
gine starts, allowing the engine to idle. The
chain must not move when the engine runs at
idle speed, if correction is required_' refer to
CarburetorAdjustments, page 22.
f. Stop engine by moving the ignition switch
to the "STOP" position (Figure 13).:
WARNING_ --
Always wear gloves; safety footwear; snug-
fitting clothing; and appropriate eye, hearing,
and head protection devices when operating a
chain saw.
TO START -- HOLD FRONT HANDLE-
BAR AND PLACE RIGHT
FOOT THROUGH HANDLE.
Figure 14
WARNING.!
Avoid bodily contact with the muffler when starting
a warm engine. The muffler can become very hot
and can cause serious burns.
MM ign_.
P.#chokeknob
2. STARTING PROCEDURE ,wMcbtDstilrtt01ullctmke
a. Cold Engine x: x
.... b. Warm Engine x c,okeo,
C; Refueled:Engine after running X: x
out of gas
Prezsthrottle Pressthmlge Pui_ruder rope I_sh _oke kilOb PtlITstarterrope Squeezet_gger
I_k =nd detent bMton untUsngLnefires in UL_Ier_ns ruIts to relOllSe
squu_ tdgger r_asa bigger _ detent
X X 3-5 times X X X
%2 times X
X 3-5 times X X X
d. Flooded Engine x cho,eo, × x x x
e. Cold Weather starting x x x x _ t_m=s ,a_c,oke" x x
___ {out of cut)
* Allow engine to warm-up thoroughly on half-choke, then move choke to the "Off" position. Do not cut with the
choke at the "On" or "Half" position. Figure 13.
10