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H. TROUBLE SHOOTING CHART
TROUBLE CAUSE
ENGINE WILL NOT START 1. IgnitionSwitch off.
2, Fuet tank emptt.
3. SpankPlug notfiring.
4. Engine flooded.
5. Fuelnotreaehingcarburetor,
ENGINE WILL NOT IDLE
PROPERLY
ENGINE WILL NOT
ACCELERATE. LACKS
POWER OR DIES
tN THE CUT
ENGINE SMOKES
EXCESSIVELY
ENGINE RUNS HOT
OIL INADEQUATE FOR
BAR AND CHAIN
LUBRICATION
CHAIN MOVES AT
IDLE SPEED
C INOOE;NOTMOVE
WHEN ENGINEIS
ACCELEF_TED
CUTS ROUGHLY
CHAIN STOPS WITHIN
THE CUT
......,J ...........J , ,
CHAIN CUTS AT
AN ANGLE
6. Compression few.
I. Idle Speed set too low.
2. IdleSpeedset too high.
& Lowspeed screwrequires adjustment
4. Crankshaft seals worn.
& Compressiohiow.
....., .......................w
I. Air filterisdirly.
2. Spark plugfouled.
3. Carbon build-up on exhaustports.
4. Carburetorrequiresadjustment
5. L_._;Comp,.'Cssfon,
1. Choke partia!lyen,
2, Air filter dirtF
& Oil rich fuelmixture.
4. Hi9hspeed needle requires a_us_ment
5. Crankcase ]'eak,
1. Pea Housing didyt_ylinderfins ditty.
2. Fuel Mixture incorrect
3. Spark Plug incorrect.
4. High Speed Mixture settoo low.
5. Carbon buitd-upon sparkarrestor screen
6. Carbon build-up on exhaust ports.
1. Oil tankempty.
2. Imprepedyadjustedoile_(if$oequlpped.)
3. Oi| pump oroMilter _ed,
4. Guidebaro_lholeblocked,
1. Idlespeedrequiresadjustment.
2, Clutch requires repai_.
1. Chain tensiontootight.
2, Carburetor requiresadjustment.
3. Guide bar rails pinched,
4. Clutch slipping.
1. Chain tension incur/act.
2. Curlers damaged after strikingforeign
material.
3. Chainwearduetoeontactwithdirt. sand
orfrozen wood.
4. Cuttersdulf.impropedysharpened;depth
gauges too high,
[
REMEDY
,,,,,
t. MoveSwitch to "'S_art."
2. Filltank withcOrreCtfuel mixture.
3. Installnew plugloheek ignitionsystem.
4, See Sta_ng Instructions.
5. Check for dir_.,,fuel fil_er:clean_Cheek f0
kinkedor split fuel line: repair Orreplace.
6, ContactyourSears Se_ice Center:
1, AdjuSt idle speed screw cloct_wise to
inccease speed.
2. -Adjustidlespeed screweeunterdockw=s
to reduce speed.
3. See Carburetor Adjustments,
4 Contac't yourSears Sewice Center.
5 Contactyour Sears ServiceCenter.
t "Cleanorreplacea_rfil_er.
2. Ctean or replace Spark Plug and regap
3, Contac_your Sears Service Center.
4. See C_rburetor Adjust ments.
5. ContsctyourSeareServ',,ceCente_
1. PushChoke in.
2. Clean or replace air filter.
3. Empty fuel tank and refilf withcorrect fuel
mixture.
4. See Carburetor Ad!ustments.
5. Contact your Sears ServiceCente_
I, Clean area.
2, See Engine Fue,_Mixture.
3. Replace withcorrect plug.
4. SeeCa_uretorAdjustmenEs
5. See "Spark Arrestor'"
6 Contact your Sears Se_vlCeCente_
1. FIlloiltank.
2. Adjustoiler.
3. ContactyourSearsServioeCenter.
4. Removebar and c_an.
1. Sea Ca_uretor AdjuSt meets.
2. Contact your Sears Service Cente_
1, See Chain Tenmon.
2. SeeCarburetorAdjustments.
3. Repair or'replace.
4. ContactyourSearsServiceCenter.
I, See Chain Tension,
2. Contactyour Seare Service Center.
3. Resharpen or repiace chain.
4. SeeChain Sharpening Instruct{on s
5. Sprocketworn. 5.
............... ,,, ,,
I. Chain cutter lopsnot filed flat. I,
2. Guidebarburredorbenl:railsu_even. 2.
3 Olut_l_s_i_ng, 3.
1. Cutters damaged on one side. 1.
2. Chain duffor=one side.
3. Guide bar bent, orworn.
Contactyour Sears Servlce Center.
SeeChain Sharpening Instructions.
Repair or replace Guide Bar,
C_n_et-_,._' Se_r'_SerVice Center.
Resharpen until all cutters have _='qua!
angles and lengths.
F1esharpenuntilallcuttershave equa[
angles and _engths.
Replace guide bar.
23
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