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Ji
TROUBLE-
.................
ENGINE WILL NOT START
TROUBLE SHOOTING CHART
CAUSE
1. Ignition Switch off.
PROPERLY
REMEDY
ENGINE wILL NOT
ACCELERATE, LACKS
POWER OR DIES
IN THE CUT
ENGINE sMOKES
EXCESSIVELY
5.
1.
4.
5.
1.
2.
3.
4.
1.
2.
3.
1.
2.
2.
3.
4.
ENGINERuNsHOT
O, ;NAOEOUA FOR
BAR AND CHAIN
LUBRICATION
CHAIN MOVESAT
IDLE SPEED
CHAIN DOES NOT MOVE
WHEN ENGINE IS
ACCELERATED
CHAIN CLA'I_EI_ OR
2. Fuel tank empty,
3. Spark Plug not firing.
4. Fuel not reaching carburetor.
5. Engine flooded.
6. Compression low.
1. idling speed set too"love:
2. Idle speed settoo high. 2.
3. Low speed screw requires adjustment. 3.
4. Crankshaft seals worn.,: 4.
Compression low, ' " • •
Carburetor requires adjustment.
2. Air filter dirty.
3. Spark Plug fouled. "= •.
page 19.
4. Carbon bUild-up: _-_ ' • _ '
. -
5. Low Compression.
1. C'h'okepartially on.
2. High speed needle requires adjustment.
3. Air filter dirty.
Oil rich fuel mixture.
Crankcase leak.
Fuel Mixture Incorrect.
Spark Plug Incorrect.
Carbon build-up.
High Speed Mixture.set too low.
Oil tank empty.
Oil pump or oil filter clogged.
Guide bar oil hole blocked.
Carburetor requires adjustmenL
Clutch requires repair. _ _ "
Chain tension too_tighL 1.
Carburetor requiresadjustmenL 2.
Guide bar rails pinched. 3.
Clutch slipping. .... 4.
Chain tensibn incorrect. 1-.
1. Move switch to "Start".
2. Fill tank with correct fuel mixture, page 7
3. Install new plug, page 18.
4. Check for dirty fuel filter;, clean. Check for
kinked or split fuel line; repair or replace.
5. See Starting Instructions, p=je 9 .
6. Contact Sears Service Center.
1. Adjust idte speed screw c|ocl_wiseto in.
increase speed, page 21.
Adjust idle speed screw counterclockwise
to reduce speed, page 21.
See Carburetor Adjustments, page21.
Replace seals or contact Sears Service
Center.
5. Contact Sears Service Center.
'1'. See Carburetor Adjustments, page 21."
2. Clean or replace air filter, page22.
3. Clean or replace Spark Plug and regap,
4, C]ean exhaust system including spark '
-...arrestor, page 18.
5. Contact Sears Service Center.
1. Push Choke in.
2. See Carburetor Adjustments, page 21.
3. Clean or replace air filter, page 22."
4, Empty fuel tank and refill with correct fuel
mixture, page 7.
5. Contact Sears Service Center.
1. See Engine Fuel Mixture, page 7.
2. Replace with correct plug, page18.
• 3. Clean exhaust systems including spark
arrestor, page t8.
4. See Carburetor Adjustments, page 21.
1. Fill oil tank, page 8.
2. Contact Sears Service Center.
3. Remove bar and clean.
1. See Carburetor Adjustments,page 21.
2. :Contact Sears Service Center:
See Chain Tension, page 7.
See_Carburetor Adjustments, page 21.
Repair or replace, page17. ::
Contact Sears Service Center.
See Chain Tension, page 7'.
:" CUTSROUGHLY
.... i:_ : 3. •Sprocket worn. _ .
" _ _ := :" : '•: 4. •Chain wear dueto contact with dirt, sand - -
_ 2. Cutters dull, improperly sharpened; depth 2. See Chain Sharpening Instructions, page
:- ":. gauges too high.... .... , . " _page16.(page 117J2fo_PowerSharp).
• 3. Replace.
: 4. Resharpen or replace Cllafn, page16-17
CHAIN STOPS WITHIN "
THE CUT
CHAIN COTS AT
AN ANGLE '
or frozen wood. •
=5. Cutters damaged after striking foreign
material. -
, .
1. Chain cutter tops not filed fiat.
__2. Guide bar burred or bent; rails uneven.
3. Clutch slipping.
1. Cutters damaged on one side.
_ 2. Chain dull onrone side. _ .......
3. Guide bar bent, or worn.
(page 11-12 for Power Sharp).
5. Contact Sears Service Center.
Sharpen all cutters evenly and uniformly
or replace chain. See chain sharpening
instructions, page 16-17 (.page11.12
for Power.Sharp). • .. . .:.
1. See Chain Sharpening instructions,
page16-!7 (pag@11-12for Power Sharp).
2. Repair or replace guide bar, page 17.
3. Contact Sear_ Service Center.
1. Resharpen until all cutters have equal
angles and lengths, page 16 -17 Ipage 11-12
for PowerSharp).
2. Resharpen until all cutters have equal .
angles and lengths, page 16-_17(page 1t-12
for PowerSharp).
3. Replace guide bar, page 17.
23
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