Troubleshooting - Craftsman 917.353771 Owner's Manual

TROUBLE SHOOTING
POSSIBLE CAUSE AND CHECK
I1"1 _._._____ '%'1 I'I'1'1_"1'11#! .....
STARTER ROPE WILL NOT REWIND
Broken Starter Spring/Not enough Pre!oad (9 turns) Replace, page 13
STARTER DOES NOT ENGAGE FLYWHEEl+
Broken Paw{ Spring
Broken Pawls or Pins
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ENGINE DIFFICULT OR WILL NOT START
Fuel Tank empty
Compression Release Button not in Starting Position
Throttle Detent not holding Throttle open° CHECK:
Carburetor linkage with Detent in Starting Position,
Carburetor Throttle should be 1/4 to 1/2 open
Solid State weak° CHECK: Remove Spark Plug, reattach
Plug Wire, hold Plug against engine and pull starter
rope (a strong white spark should jump across plug
points - weak Solid State produces a short red spark)
Solid State grounded,. CHECK: Wire from Solid State to
"ON-OFF" Switch for bare spots+
Carburetor misadjusted
Engine flooded.
Engine is mildly vapor locked, operating in hot weather
POSSIBLE REMEDY
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Engine is severely vapor locked
Replace, page 13
Replace
Fill Fuel Tank, page 4
Follow Starting Procedure, page 5
Repair or replace Detent
Contact your nearest Sears Service Center°
Wrap Wire with electrical tape or replace
Follow Carburetor' Adjusting Procedure, page 12
Follow Starting Procedure, page 5 WITHOUT USING CHOKE
Follow Starting Instructions, page 5, then after starting WITH
CHOKE OUT RUN SAW AT FULL THROTTLE FOR A
FEW SECONDS BEFORE PUSHING CHOKE IN AND
ALLOWING SAW TO IDLE
ALLOW SAW TO COOL COMPLETELY, then follow Starting
instructions, page 5
Contact your nearest Sears Service Center'
Broken Reed Valve
CARBURETOR FLOODS
Carburetor misadjusted Follow Carburetor' Adjusting Procedure, page 12
Damaged Carburetor Diaphragm Replace
Leaking Gasket Replace
Leaking Inlet Needle Seat Replace
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ENGINE WILL NOT IDLE
Car buretor misadjusted
Carburetcr Diaphragm leaking
Carburetor Inlet Seat Gasket leaking
Crankshaft seals leaking
Cylinder scored or compression low
Reeds leaking or broken
ENGINE WILL NOT ACCELERATE
Carburetor misadjusted
Dirty Air Filter
Spark Plug fouled or Solid State weak
Carbon build-up
Carburetor Diaphragm Cover loose or Diaphragm Gasket
leaking
Broken Reed Valve
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ENGINE LACKS POWER OR DIES IN THE CUT
Dirty Air Filter
Carbon build-up
Low compression. CHECK: Compression pressure tests
below 80PSt or lessened engine resistance to pulling
starter rope
/1/11 i .......................
ENGINE KNOCKS
Follow Carburetor Adjusting Procedure, page 12
Replace Diaphragm
Contact your nearest Sears Service Center
Replace seals
Contact your nearest Sears Service Center
Contact your nearest Sears Service Center
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Follow Carburetor Adjusting Procedure, page 12
Clean Air' Filter or replace, page 12
Clean Spark Plug and regap or replace, page 14
Clean Exhaust Port and Muffler Screen, page 14
Tighten cover or replace Diaphragm
Contact your....rl.ea.rest S ears Service.Center
Clean Air Filter or replace, page 12
Clean Exhaust Port and Muffler Screen, page 14
Contact your nearest Sears Ser'_ice Department
Worn Connecting Rod or Bearings, CHECK: Remove Contact your nearest Sears Service Department
Starter, rotate Flywheel quickly back and forth. (Slight
play is normal, however, worn Rod or Bearings allow
considerable play and audible click)
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