Owner`s manual

H. TROUBLE SHOOTING CHART
TROUBLE
CAUSE REMEDY
ENGINE WILL NOT START
ENGINE WILL NOT IDLE
PROPERLY
ENGINE WILL NOT
ACCELERATE, .LACKS
POWER OR DIES"
IN THE CUT
ENGINE SMOKES
EXCESSIVELY
ENGINE RUNS HOT
OIL INADEQUATE FOR .....
BAR AND CHAIN
LUBRICATION
CHAIN MOVES AT
iDLE SPEED
CHAIN DOES NOT MOVE
WHEN ENGINE IS
ACCELERATED
CHAIN CLATTERS OR
CUTS ROUGHLY
CHAIN STOPS WITHIN
THE CUT
CHAIN CUTS AT
AN ANGLE
1. Ignition Switch off.
2. Fuel tank empty.
3. Spark Plug not firing.
4. Fuel not reaching carburetor.
5. Engine flooded.
6. Compression low.
7. Air flow restricted
1. Idling speed set too low.
2. Idle speed set too high.
3, Low speed screw requires adjustment.
4. Crankshaft seals worn.
1.
2.
3.
Compression low.
Carburetor requires adjustment.
Air filter dirty.
Spark Plug fouled: . .: .
1. Move switch to "Start".
2. Fill tank with correct fuel mixture, page 8.
3. Install new plug, page 19.
4. Check for dirty fuel filter;, clean. Check for
kinked or split fuel line; repair or replace.
5. See Starting Instructions, page t0.
6. Contact Sears Service Center.
7. Check for dirty air filtec clean, page 22.
Check for choke shutter working properly,
page 22.
1. Adjust idle speed screw clockwise to in-
increase speed, page 21.
2. Adjust idle speed screw counterclockwise
to reduce speed, page 21.
3. See Carburetor Adjustments, page 21.
4. Replace seals or contact Sears Service
Center.
5. Contact Sears Service Center.
1; See CarburetorAdjustments, page 21.
2. Clean or replace air filter, page 22_
3. Clean or replace Spark Plug and regap,- o.
page ;19
4_ Clean exhaust system including spark
arrestor, page 19.
5. Contact Sears Service Center.
4. Carbon build-up.
5• Low Compression.
1. Choke partially on.
2. High speed needle requires adjustment.
3. Air f!lter dirty.
4. Oil rich fuel mixture.
5. Crankcase leak.
1. Fuel Mixture Incorrect.
2. Spark Plug Incorrect.
3. Carbon build-up.
4. High Speed Mixture set too low.
1. Oil;tank empty.
2. Oit pump or oit filter clogged.
3• Guide bar oil hole blocked.
1. Carburetor requires adjustment.
2• Clutch requires repair.
1• Chain tension too tight.
2. Carburetor requires adjustment.
3. Guide bar rails pinched.
4. Clutch slipping.
1.
1_
2.
3.
1.
1. Turn Choke off.
2. See Carburetor Adjustments, page 21.
3. C{ean or replace air filter, page22.
4. Empty fuel tank and refill with correct fuel
mixture, page 8.
5. Contact Sears Service Center.
1. See Engine Fuel I_ixture, page 8.
2. Replace with correct plug, page 19.
3. Glean exhaust systems including spark
arrestor, page 19.
4. See Carburetor Adjustments, page 21.
1. Fill oil tank, page 9.
2. Contact Sears Service Center.
3• Remove bar and clean.
1. See Carburetor Adjustments, page 21.
.2. Contact Sears Service Center.
1. See Chain Tension, page 7 -8.
2. See Carburetor Adjustments, page 2t.
3. Repair orreplace, page 18.
4. Contact Sears. Service Center.
Chain tension incorrect .... ' .... _._ 1,:_Sse Chain Tension, page 7-_8_ _. ,.
C_utter_sdu{I, improperJy's_arpened; depth ' 2_ See Chain_sharpening Instructions,
gauges too high.
Sprocket worn• 3.
Chain wear due to corjtact with dirt, sand 4.
or frozen wood.
Cutters damaged after striking foreign 5.
material.
Chain cutter tops not filed fiat.
Guide bar burred or bent; rails uneven.
Clutch slipping..
Cutters damaged on one side.
2. Chain dult on one side.
3. Guide bar bent, or worn.
page 17 (page 12 for Power Sharp).
Replace.
Resharpen or repface Chain, page 17 & 18.
(page "12for Power Sharp).
Contact Sears Service Center.
1. See Chain Sharpening instructions,
page 17.
2. Repair or replace guide bar, page 18.
3. Contact Sears Service Center.
1. Resharpen until all cutters have equal
angles and lengths, page 17 (page 12 for
Power Sharp).
2. Resharpen until all cutters have equal
angles and lengths, page 17 (page 12 for
Power Sharp).
3. Replace guide bar, page 18.
4