18” CHIPPER MACHINE MAINTENANCE
44
FUEL FILTER & FUEL/WATER
SEPARATOR
• Replace the fuel filter every 500 hours of
operation or 6 months. Follow the
engine owner’s manual on how to
remove the filters and to drain the
fuel/water separator. Only use engine
manufacturer approved fuel filters.
Make sure to clean the area around the
fuel filter before removing any parts; do
not take a chance on contaminating the
fuel line. Do not leave spilled fuel on
the machine; spilled fuel on hot engine
parts can cause fires.
COOLANT SYSTEM
• Check the coolant level daily when the
engine is off and all parts are cool.
Remove the coolant filler cap slowly to
relieve built up pressure.
• When adding coolant to the tank, leave
at least 1/2" between the coolant and the
bottom of the filler pipe. Anti-freeze
ratio to water must be 50/50, never use
100% anti-freeze.
• Clean the coolant filler cap and check
the caps’ gaskets for damage. Replace
the cap if the gaskets are damaged.
• Inspect the coolant system for leaks.
(For other service on the coolant system
refer to the engine owner’s manual.)
• Be sure to replace the filler cap before
starting the engine.
• John Deere engines require a special
coolant additive. Read your engine
owner’s manual for additional coolant
information.
Pressurized System: Hot coolant can cause
serious burns. To open the cooling system filler
cap, stop the engine and wait until the coolant
system components are cool. Loosen the cooling
system pressure cap slowly in order to relieve the
pressure.
COOLANT TANK COVER
ON TOP OF ENGINE
FUEL/WATER SEPARATOR
COOLANT FILLER CAP
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