Engine Cooling System - Toro Reelmaster 6700-D Operator's Manual

1. Locate fuel filter, under hood, and place a clean
container under it.
2. Loosen drain plug on bottom of filter canister. Tighten
plug after draining.
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2
Figure 50
1. Fuel filter/water separator
Replace filter canister after every 400 hours of operation.
1. Clean area where filter canister mounts.
2. Remove filter canister and clean mounting surface.
3. Lubricate gasket on filter canister with clean oil.
4. Install filter canister by hand until gasket contacts
mounting surface, then rotate an additional 1/2 turn.
Replacing Fuel Filter
Replace the fuel filter after every 400 operating hours or
yearly, whichever occurs first.
1. Clean area where filter bowl mounts.
Figure 51
1. Fuel filter mounting head
2. Filter bowl
2. Remove the filter bowl and clean mounting surface.
2. Drain plug
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3
4
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3. Filter
4. O–ring
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3. Remove filter from bowl and replace with new filter.
4. Install filter bowl by hand until O-ring contacts
mounting surface.
Note: Bleeding fuel system is required after replacing the
fuel filter/water separator filter or the fuel filter.
Bleeding Air From Injectors
Note: This procedure should be used only if fuel system
has been purged of air through normal priming procedures
and engine will not start; refer to Bleeding Fuel System.
1. Loosen the pipe connection to the No. 1 nozzle and
holder assembly.
Figure 52
1. Fuel injectors (4)
2. Move throttle to FAST position.
3. Turn key in key switch to RUN position and watch fuel
flow around connector.Turn key to OFF position when
solid flow is observed.
4. Tighten pipe connector securely.
5. Repeat steps on remaining nozzles.

Engine Cooling System

Removing Debris
Remove debris from rear screen, oil cooler and radiator
daily, clean more frequently in dirty conditions.
Important
Never spray water onto a hot engine as
damage to engine may occur.
1. Turn engine off, release hood latch and raise hood.
Clean engine area thoroughly of all debris. Close hood.
2. Unlatch and remove rear screen (Fig. 53). Clean screen
thoroughly.
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