Webb WER18HW4 - Trouble Shooting

TROUBLE SHOOTING
Refer to the Briggs & Stratton operators manual, supplied with your machine for engine related information.
PROBLEM
POSSIBLE CAUSES
REMEDIAL ACTION
Engine does not start
Fuel tank is empty.
Fill tank with fuel
Spark plug loose.
Tighten spark plug.
Spark plug wire loose or
disconnected from plug.
Install spark plug wire on spark plug.
Spark plug gap is incorrect
Set correct gap between electrodes.
Spark plug is defective.
Install new, correctly gapped plug.
Carburettor is flooded with
fuel.
Remove air filter and pull starter rope
continuously until carburetor clears itself. Install
air filter. If problem persists consult local
Approved Service Dealer.
Old Fuel
Fuel becomes stale after 30 days and causes
residues to build and ‘gunk up’ the carburettor.
Change with fresh fuel. If problem persists
consult local Approved Service Dealer.
Engine runs erratic
Unit running in start position
Move throttle lever back to Hare/Fast position
Spark plug cap loose
Connect and tighten the spark plug cap
Blocked fuel line or stale fuel
Fuel becomes stale after 30 days and causes
residues to build and ‘gunk up’ the carburettor.
Change with fresh fuel. If problem persists
consult local Approved Service Dealer.
Vent in fuel cap is blocked
Clean vent
Water or dirt in fuel system
Drain fuel tank. Refill with fresh fuel. If problem
persists consult local Approved Service Dealer.
Dirty air filter
Clean air filter
Carburettor out of adjustment
Visit approved Briggs & Stratton Service Dealer.
Engine overheats
Engine oil level low
Fill engine with 4-stroke SAE30 lawnmower oil.
Refer to Briggs & Stratton operators manual.
Air flow restricted
Visit approved Briggs & Stratton Service Dealer.
Carburettor out of adjustment
Visit approved Briggs & Stratton Service Dealer.
Lawnmower will not
collect grass
Mulch plug in exit chute Remove mulch plug.
Lawnmower will not
mulch grass
Engine speed too low
Set throttle between ¾ and full throttle.
Wet grass
Do not mow when the grass is wet.
Excessively high grass
Mow once at a high cutting height, then mow
again at the desired height or make a narrower
cutting swath (1/2 width).
Dull blade
Sharpen or replace blade.
Uneven cut
Wheels not positioned
correctly
Place all four wheels in same height position.
Dull blade
Sharpen or replace blade.
INSTRUCTION MANUAL