Service Interval/Specification; Installation; Fuel Filter; Cooling System, Air - Toro 520XI Service Manual

GASOLINE ENGINE
SPARK PLUG (cont'd)

Installation

Install the spark plugs and metal washer. Make
sure the air gap (.028) is set correctly. Torque
the spark plugs to specifications.
Spark plug torque:
Kohler engines
Kawasaki engines

FUEL FILTER

Service Interval
Replace the fuel filter after every 100 operating
hours or yearly, whichever occurs first.
4

COOLING SYSTEM, AIR

General Information
Models 518xi, 520xi, and 522xi are equipped
with air-cooled engines.
The engine is cooled by air drawn through the
air intake screen by a fan attached to the
flywheel. Engine heat is carried away when
shrouds attached to the engine direct the air
flow through fins located on the cylinders and
cylinder heads.
4 - 8
18-22 ft·lbs (24-30 N·m)
18 ft·lbs (25 N·m)
2.0144.048
2.0144.092
2.0109.40
5xi Series Tractor Service Manual