Poulan 3400 - Manual (Page 22)

I. TROUBLE SHOOTING CHART
TROUBLE CAUSE REMEDY
ENGINE WILL NOT START 1. ignition Switch off.
2. Fuel tank empty.
3. Spark Plug not firing.
4. Fuel not reachirjg carburetor.
5. Engine flooded.
6. Compression low.
1. Move switch to “Start.”
2. Fill tank with correct fuel mixture, page 9.
3. Install new plug, page 18.
4. Check for dirty fuel fitter; clean. Check for
kinked or split fuql line; repair or replace.
5. See Starting Instructions, page 11,
6. Contact a qualified senrice dealer.
ENGINE WILL NOT IDLE
PROPERLY
1. Idling speed set too tow.
2. Idle speed set too high.
3. Low speed screw requires adjustment.
4. Crankshaft seals worn.
5. Compression tow.
1. Adjust idle speed screw clockwise to
increase speed, page 20,
2. Adjust idle speed screw counterclockwise
to reduce speed, page 20.
3. See Carburetor Adjustments, page 20.
4. Replace seals or contact a qualified service
dealer.
5. Contact a qualified service dealer.
ENGINE WILL NOT
ACCELERATE, LACKS
POWER OR DIES
IN THE CUT
1. Carburetor requires adjustment.
2. Air filter dirty.
3. Spark Plug fouled.
4. Carbon build-up.
5. Low Compression.
1. See Carburetor Adjustments, page 20.
2. Clean or replace air filter, page 21.
3. Clean or replace Spark Plug and regap,
page 18.
4. Clean exhaust system including spark
arrestor, page 17.*
5. Contact a qualified service dealer.
ENGINE SMOKES
EXCESSIVELY
1. Choke partially on.
2. High speed needle requires adjustment.
3. Airfitterdirty.
4. Oil rich fuel mixture.
5. Crankcase leak.
1. Push Choke in.
2. See Carburetor Adjustments, page 20.
3. Cleanorreplaceairfilter.page 21.
4. Empty fuel tank and refill with correct fuel
mixture, 'page 9.
5. Contact a qualified service dealer.
ENGINE RUNS HOT 1. Fuel Mixture Incorrect.
2. Spark Plug Incorrect.
3. Carbon build-up.
4. High Speed Mixtu re set too low.
1. See Engine Fuel Mixture, page 9.
2. Replace with correct plug, page 18.
3. Clean exhaust systems including spark
arrestor, page 17.
4. See Carburetor Adjustments, page 20.
OIL INADEQUATE FOR
BAR AND CHAIN
LUBRICATION
1. Oil tank empty,
2. Oilpumporoilfitterclogged.
3. Guide bar oil hole blocked.
1. Fill oil tank, page 10.
2. Contact a qualified service dealer.
3. Removebarandctean, page7&17.
CHAIN MOVES AT
IDLESPEED
1. Carburetor requires adjustment.
2. Clutch requires repair.
1. See Carburetor Adjustments, page 20.
2. Contact a qualified service dealer.
CHAIN DOES NOT MOVE
WHEN ENGINE IS
ACCELERATED
1. Chain tension too tight.
2. Carburetor requires adjustment.
3. Guide bar rails pinched.
4. Clutch slipping.
1. See Chain Tension, pages.
2. See Carburetor Adjustments, page 20.
3. Repair or replace, page 7 & 17,
4. Contact a service dealer.
CHAIN CLATTERS OR
^ CUTS ROUGHLY ^ > ; ^ ^ ^ ^ ’
1, Chain tension incorrect
'2.V Gutters dulii improperly sharpened; depth' ' , ; i a
gauges too high.
3. Sprodietwom.
4. Chain wear due to contact with dirt, sand
or frozen wood.
5. Cutters damaged after striking foreign
material.
1. See ChainTension, pages.
2. t ; See.Ghain Sharpening Instructions^
pageie.
3. Replace, page 17.
4. Resharpen or replace Chain, page 7 & 16.
5. Contact a qualified service dealer.
Sharpen all cutters evenly and uniformly
or replace Chain. See Chain Sharpening
Instructions, page 16.
CHAIN STOPS WITHIN
THECUT
t. Chain cutter tops not filed flat.
2. Guide bar burred or bent: rails uneven.
3. Clutch slipping.
1. See Chain Sharpening Instructions,
page 16.
2. Repairer replace Guide Bar, page 7 & 17.
3. Contact a qualified service dealer.
CHAIN CUTS AT
AN ANGLE
1. Cutters damaged on one side.
2. Chain dull on one side.
^3 Guide bar bent, or worn.
■ 1. Resharpen until all cutters have equal
angles and lengths, page 16.
2. Resharpen until all cutters have equal
angles and lengths, page 16.
3. Replace guide bar, page 7.
22