Briggs & Stratton 500 Series Maintenance Manual page 29

Engine Model: Briggs & Stratton
pulley as if winding a chain onto a bicycle
wheel (it may appear that this pulley is at an
angle, but the tension of the belt will
straighten this)
10. Replace the belt guard plate and re-attach the
blade the correct way up
11. Carefully lift the mower down onto the ground
without tipping it forwards or sideways and
replace the spark plug cap and air filter.
NOTE: If the belt repeatedly comes
adrift, this is normally a sign that either
grass is finding its way into the belt
compartment, or the belt is worn or
damaged and should be replaced.
Whenever ordering spare parts
ALWAYS quote the model number of
your machine to the dealer.
Page 29 of 32 B&S Classic, 450 and 500 Series Selfhelp
Classic,
450 and 500 Series
Find your local
ServiceLink centre at
www.servicelink.org.uk
Guide 2011, Issue 1.0