User’s manual 15
Fast trouble shooting
Often, a depleted, loose, or dirty spark plug is responsible for a mower not being able
to start, but there can be a number of other reasons. Refer below to the list of potential
problems you may encounter, along with suggested remedies. For servicing and all
warranty work, contact your local Authorised Webb Dealer.
Problem Likely
cause
Throttle lever not set properly
Out, or almost out, of fuel
Spark plug failed
Suggested remedy
Set to ‘Cold Start’ for cold or a little lower when warm
Fill tank with unleaded petrol
Replace with a suitable new spark plug
Engine does
not start.
Engine stops
often
Engine loses
power
Mower
vibrates
too much
Poor cutting
catching
Spark plug dirty
Spark plug not connected
Flooded engine
Old petrol in the tank
Water in the fuel tank
Blocked fuel supply
Fuel cap is not venting
Wrong type of fuel
Dirty air cleaner filter
Incorrect height adjustment
Blocked fuel cap vent holes
Loose cutting blade
Bent or broken blade
Excessive grass/dirt build-up
B
lade worn/damaged
Catcher not fitted correctly
Incorrect cutting height set
Blocked grass catcher vents
Clean or replace with a new spark plug
Press firmly on the terminal cover
Turn fuel ‘off’ then pull cord until it starts, then turn ‘on’
Drain stale fuel and replace with new unleaded
Contact an authorised Webb dealer
Ensure the fuel line is not pinched or blocked
You may need to slightly loosen the fuel cap
Drain petrol tank and fill with new unleaded
Clean or replace with a new
Briggs & Stratton
air-filter
Raise the mower’s cutting height lever
Ensure the 3 holes in the fuel tank cap are clear
Check and tighten bolts and nuts
Replace blade
Clean and ensure underside clear of build up
Replace blade
Reattach carefully and also check for damage
Adjust the cutting height
Clear and clean the vents
Reinsert carefully and also check for damage
Summary of Contents for WERR19
Page 2: ...2 User s manual ...
Page 14: ......
Page 17: ...Parts Diagram ...
Page 20: ...User s manual Notes ...
Page 22: ...Webb Lawnmowers Hobley Drive Stratton St Margaret Swindon Wiltshire SN3 4NS ...