Poulan PP 176 operating instructions Ignition Timing, Spark Plug, Carburetor Adjustments

Page 5

 

spool. Leave 4--6 inches (10--15 cm) of line

Carburetor adjustments is a complicated

 

unwound.

task. We recommend that you take your unit

S

Insert line into the line exit hole in the hub.

to an Authorized Service Dealer. Damage will

S Push spool into hub. Press spool down,

occur if you turn the needles beyond the limit-

 

then turn it to catch spool tabs under gear

er stops.

S

tabs.

IGNITION TIMING

Re-install the tap button, lock ring, and cover.

The ignition timing is fixed, non--adjustable.

S

Pull the end of the line to set spool in the op-

SPARK PLUG

 

erating position.

 

 

 

Replace the spark plug yearly using a Cham-

 

 

 

pion RCJ--8Y plug. Spark plug gap is 0.025”.

 

 

 

 

 

 

 

 

We recommend all service and adjustments

 

 

not listed in this manual be performed by an

Need Assistance?

Authorized Service Dealer.

Call 1-800-554-6723.

CARBURETOR ADJUSTMENTS

Need Service Part?

Your carburetor is equipped with limiter caps.

Contact your dealer.

TROUBLESHOOTING TABLE

WARNING: Always stop unit and disconnect spark plug before performing any of the recommended remedies below other than remedies that require operation of the unit.

TROUBLE

CAUSE

 

REMEDY

Engine will not

S

Engine flooded.

S

See “Starting.”

start.

S

Fuel tank empty.

S

Fill tank with correct fuel mixture.

 

S

Spark plug not firing.

S

Install new spark plug.

 

S

Fuel not reaching carburetor.

S

Check for dirty fuel filter; replace.

 

 

 

 

Check for kinked or split fuel line;

 

 

 

 

repair or replace.

 

S

Carburetor requires adjustment.

S

See “Carburetor Adjustments.”

Engine will not

S

Carburetor requires adjustment.

S

See “Carburetor Adjustments.”

idle properly.

S

Throttle trigger screw too

S

Loosen screw.

 

 

tight.

 

 

Engine will not

S

Air filter dirty.

S

Clean or replace air filter.

accelerate,

S

Spark plug fouled.

S

Clean or replace spark plug; re-gap.

lacks power,

S

Carburetor requires adjustment.

S

See “Carburetor Adjustments.”

or dies under

 

 

 

 

a load.

 

 

 

 

Engine

S

Fuel mixture incorrect.

S

Empty fuel tank and refill with

smokes

 

Air filter dirty.

 

correct fuel mixture.

excessively.

S

S

Clean or replace air filter.

 

S

Carburetor requires adjustment.

S

See “Carburetor Adjustments.”

Line does not

S

Line improperly routed in head.

S

Check line routing.

advance or

S

Line improperly wound in

S

Rewind line tightly and evenly.

breaks while

 

spool.

 

Use only 0.080” (2 mm) dia. line.

cutting.

S

Line size incorrect.

S

Line welds

S

Line size incorrect.

S

Use only 0.080” (2 mm) dia. line.

onto spool.

S

Incorrect spool.

S

Replace with correct spool.

 

S

Line is being crowded against

S

Cut with tip of line fully extended.

 

 

material being cut.

 

 

Line pulls

S

Too little line outside of head.

S

Remove spool and pull 4 -- 6 inches

back into

 

Line size incorrect.

 

(10 -- 15 cm) of line outside of head.

head.

S

S

Use only 0.080” (2 mm) dia. line.

5

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Contents URL Fuel Safety Operator SafetyUNIT/MAINTENANCE Safety Adjust the Handle Cutting SafetyTransporting and Storage Attach the ShieldHOW to Start Your Unit HOW to Stop Your UnitRestarting a Warm Engine Operating PositionTroubleshooting Table Cause Remedy Carburetor AdjustmentsIgnition Timing Spark PlugYour Warranty Rights and OB Not covered. ADD-ON or Modified