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Cleaning the air filter:
A dirty air filter decreases ongirro perform-
ance arid increases fuel consumption aod
harroful omissiorls. Always clean after 15
tanks of fuel or 5 hours of operation, which-
over _.._rn¢,._first. Clean more frequently in
dustyeonditiorTs. Ausod airofilter can never
be completely cleaned. It is advisable to re-
place your air filter with a new ona after ow.,ry
50 hours of opet",Jtion, or annually, whiuhevar
uome8 first.
1. L_.x_en 3 8crows on cylinder (;over.
2. Ramevo cylinder cover.
3. Ramevo airfiltar.
4. ClaarT the air filter using hot soapy watar.
Rinse with eleart _,_1 water. Air dry oorn-
pletely before reinstalling.
5. Lightly oil air filter before installirTg to irn-
prove the efficiency of air filter. Use
2-cyolo orlgirro oil or motor oil (SAE 30).
Squeeze exooss oil from filter.
6. Reinstall airfilter.
7. Rainstall cylinder cover and 3 8crows.
Tighten securely.
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
As the unit is used, carbon deposits build up
on the muffler and spark arrostirig screen,
and must ba removed to avoid creating afire
hazard or affecting engine performance.
Raplace tha spark a_asting screen if breaks
OG'GU r.
Muffler Diffuser
_ ;_ / Spark
/ _/'y_ Arr_tirtg
/_ _/Suroe.
Muraer
_ i,,_ Scro_s
Body Cover
Cleaning is required every 25 hours _ opera-
tiori or arTrTually,_liu[Tevar _Jrrras first.
1. L_ri arid rerrla_ve the 2 rnuf_er _._ver
2. Remora the mutfler Sever (_x_varsr_ap_off
muffler body).
3. Remove muffler diffuser arid spark arrest-
irtgsa'_rt assarribly. Notitx_the Odorttation
of th_e parts _r reassembling.
4. Clean the spark arrestar screen with awire
brush. Replace screen if br_._ks are found.
5. Replace any broken or cracked mutfler
parts.
6. Reirlstall diffuser and spark arrestar scr_rT
assembly with round hol_ faring up.
7. Rz.,iristallmuf_or _over and 2 scrow_.
_ghtort securely.
CARBURETOR ADJUSTMENT
_WARNING: The _;hain will be mov-
ing dudrtg mo_t of this prouedu_,_.W.ear your
protou'tive equipmerlt arid observe all safety
precautions. The Ghairlmust riot move at idle
speed.
The carburetor has bean carefully sot at the
factory. Adjustments may be necessary if
you notice any of the following eonditierTs:
• Chain moves at idla. Sae IDLE SPEED-T
adiusting pieced uro.
• Saw will not idle. See IDLE SPEED-T ad-
justing procedure.
Idle Speed=T
Allow ertgirlo to idle. If the chain moves, idle
ist_ fasL Ifthe engine,,stalls, idle is t_ slow.
Adjust speed until ongirro runs without ehairT
movement (idle too f'ast) or stalling (idle too
slow). The idle speed screw is located in the
area above the primer bulb arid is labelad T.
• Turn idle speed screw (T) clockwise to im
crease erLqino speed.
• Turn idle speed 8crow (T) oourltorelouk-
wise te decrease engine speed.
If'you require fu_ar assi_rl_ or are unsure
about perforroing this procedure, oortta,..:tyour
authorized servioo d_ler or _all
1-800-554-6723.
BAR MAINTENANCE
If your saw cuts to erie side, has to be for_.,,d
through the cut, or heart run _h art irnprop_r
amour_t of bar lubricationit may be notary
to servia; your bar. A woro bar will damage
your @_airtarid rnako Cut'rig di_cult.
A1_ereaah USe, ensure ON/STOP s_tuh is in
the STOP position, then clean all sawdust f_m
the guido bar arid spr_v_kat hole.
To ri_irltain guide bar:
• Mova ON/STOP switch to the STOP po_i-
tion.
• Loo_en arid rerrx3vo chain brake nuts and
@_airlbrake. _r_ve bar arid chain from
• Clean the oil bolas and bar greta after _eh
5 flours of op_Tatiorl.
Rarnovo Sawdust From _ t
Guide Bar _.__
_0il Holes _
• Burdng of guide bar rails is a normal pro_
of rail wear. Remove those burrs _th a fiat
file.
• "Wber_rail top is Ufioveri,use a fiat file to i_
uiforo square edgas arid sides.
-_-- Fila Rail Edges--=-_ N
arid Sid_ I U
Square I I
Worn Groove Corract Groove
lZ_
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