Sears 358.356090-3.7/20" - Manual (Page 25)

J. TROUBLE SHOOTING CHART
TROUBLE ...................... CAUSE REMEDY
ENGINE WILL NOT START 1. Ignition Switch off. 1. Move switch to “Start".
2. Fuel tank empty. 2. Fill tank with correct fuel mixture, pages.
3. Spark Plug not firing. 3. Install new plug, page20.
4. Fuel,not reaching carburetor. 4. Check for dirty fuel filter; clean. Check for
kinked or split fuel line; repair or replace.
5. Engine flooded. 5. See Starting Instructions, pagelO.
6. Compression low. 6. Contact Sears Service Center.
ENGINE WILL NOT IDLE
PROPERLY
1. Idling speed set too low. 1. Adjust idle speed screw clockwise to in­
increase speed, page22.
2. Idle speed set too high. 2. Adjust idle speed screw counterclockwise
to reduce speed, page 22.
3. Low speed screw requires adjustment. 3. See Carburetor Adjustments, page22.
4. Crankshaft seals worn. 4. Replace seals or contact Sears Service
Center.
5. Compression low. 5. Contact Sears Service Center.
ENGINE WILL NOT 1. Carburetor requires adjustment. 1. See Carburetor Adjustments, page22.
ACCELERATE, LACKS 2. Air filter dirty. 2. Clean or replace air filter, page23.
...... rUWcH UH OrErO ........................ .......
IN THE CUT
3> o|j(âlK Piuy ÎOuiiziü.
page 19.
3. Clean ÔÏ replacé Spark Plug and fegap,
page 20.
4. Carbon build-up. 4. Clean exhaust system including spark
arrestor, page 19.
5. Low Compression. 5. Contact Sears Service Center.
ENGINE SMOKES 1. Choke partially on. 1. Push Choke in.
EXCESSIVELY 2. High speed needle requires adjustment. 2. See Carburetor Adjustments, page22.
3. Air filter dirty. 3. Clean or replace air filter, page23.
4. Oil rich fuel mixture. 4. Empty fuel tank and refill with correct fuel
mixture, pages.
5. Crankcase leak. ■5. Contact Sears Service Center.
ENGINE RUNS HOT 1. Fuel Mixture Incorrect. 1. See Engine Fuel Mixture, pageS.
2. Spark Plug Incorrect. 2. Replace with correct plug, page20.
3. Carbon build-up. 3. Clean exhaust .systems including spark
arrestor, page 19.
4, High Speed Mixture set too low. 4. See Carburetor Adjustments, page 22.
OIL INADEQUATE FOR 1. Oil tank empty. 1. Fill oil tank, page9.
BAR AND CHAIN 2. Oil pump or oil filter clogged. 2. Contact Sears Service Center.
LUBRICATION 3. Guide bar oil hole blocked. 3: Remove bar and clean, page 19.
CHAIN MOVES AT 1. Carburetor requires adjustment. 1. See Carburetor Adjustments,page22.
IDLE SPEED 2. Clutch requires repair. 2. Contact Sears Service Center.
CHAIN DOES NOT MOVE 1. Chain tension too tight. 1. See Chain Tension, pages.
WHEN ENGINE IS 2. Carburetor requires adjustment. 2. See Carburetor Adjustments, page22.
ACCELERATED 3. Guide bar rails pinched. 3. Repair or replace, page 7 & 19. ""
4. Clutch slipping. 4. Contact Sears Service Center.
CHAIN CLATTERS OR 1. Chain tension incorrect. 1. See Chain Tension, page 8 .
CUTS ROUGHLY...................... 2. Cutters dull, improperly sharpened; depth
gauges too high.
2. See Chain Sharpening Instructions, page
page 18 (page 12-13for Power Sharp*).
3. Sprocket worn. , , , 3. Replace, page 21.
4. Chain wear due to contact with dirt, sand
or frozen wood.
4. ResharpenorreplaceChain,pagei8-19 ,
(pagel2-13forPowerSharp*). '
5. Cutters damaged after striking foreign
material.
5. Coiitact Sears Service Center. ,
Sharpen all cutters evenly and uniformly
or replace chain. See chain sharpening
instructions, page 18-19 (page 12-13
for Power Sharp").
CHAIN STOPS WITHIN
THE CUT
1. Chain cutter tops not filed flat. 1. See Chain Sharpening instructions,
page 18-19 (page 12-13 for Power Sharp * ).
2. Guide bar burred or bent; rails uneven. 2. Repairorreplaceguidebar,page7&19.
3. Clutch slipping. 3. Contact Sears Service Center.
CHAIN CUTS AT
AN ANGLE
1. Cutters damaged on one side. 1. Resharpen until all cutters have equal
angles and lengths, page 18-19 (page 12-13
for Power Sharp '). ......................
2. Chain dull on one side. 2. Resharpen until all cutters have equal
.......angles and lengths, page 13-19 (page 12-13
, for PowerSharp* ),
3. Guide bar bent, or worn. 3. Replace guide bar, page 7 & 19. .
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