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Toro groundsmaster 455-D - Fuel Filter and Cooling System Servicing; Changing Fuel Filter and Cooling System Maintenance

Toro groundsmaster 455-D
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32
3. Tighten drain screw.
Changing the Fuel Filter
Replace fuel filter if fuel flow becomes restricted, after
every 400 hours of operation or annually, whichever comes
first.
1. Unscrew bottom filter cap from filter assembly.
Remove cap, gaskets, o-ring and filter from assembly.
Note position of gaskets and o-ring when disassembling
from filter.
2. Install new filter, gaskets, o-ring with filter assembly
cap.
3. Prime fuel system; refer to Priming the Fuel System,
page 19.
Servicing the Engine Cooling
System
Removing Debris
Remove debris from rear screen, oil cooler and radiator
daily, clean more frequently in dirty conditions. Use low
pressure compressed air.
Important Never spray water onto a hot engine or onto
electrical connections as damage may occur.
1. Turn engine off, release hood latch and raise hood.
Clean engine area thoroughly of all debris. Close hood.
2. Unscrew knobs and remove rear screen (Fig. 43). Clean
screen thoroughly.
1
Figure 43
1. Rear screen
3. Unscrew knobs and pivot oil cooler rearward. Clean
both sides of oil cooler and radiator area thoroughly
with low pressure compressed air. Open hood and blow
debris out toward back of machine. Pivot oil cooler
back into position and tighten knobs.
Note: Upper portion of fan shroud may be easily unbolted
from machine to simplify cleaning.
4. Install rear screen and tighten knobs.
Important Do not use water to clean engine, as
damage may occur.
Maintaining the Cooling System
Capacity of the system is 3.5 gallons (13.3 l). Always
protect cooling system with a 50/50 solution of water and
Peugeot recommended anti-freeze. Do not use water only
in the cooling system.
After every 100 operating hours, tighten hose connections.
Replace any deteriorated hoses.
After every 2 years or 1500 hours, drain and flush the
cooling system. Add anti-freeze; refer to Checking the
Cooling System, page 11.
1
Figure 44
1. Oil cooler
Adjusting the Engine Fan Belt
Check condition and tension of fan belt (Fig. 45)
frequently. It is recommended that belt be inspected every
800 hours of operation.
1. Proper tension will allow 1/4 in. (6 mm) deflection on
the belt midway between the pulleys, when pressed
firmly with thumb.

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