Servicing The Fuel Tank; Cleaning The Cooling Systems; Servicing The Hydraulic System - Toro ProCore 648 Operator's Manual

Servicing the Fuel Tank

Draining The Fuel Tank
Danger
In certain conditions, gasoline is extremely
flammable and highly explosive. A fire or
explosion from gasoline can burn you and others
and can damage property.
• Drain gasoline from the fuel tank when the
engine is cold. Do this outdoors in an open area.
Wipe up any gasoline that spills.
• Never smoke when draining gasoline, and stay
away from an open flame or where a spark may
ignite the gasoline fumes.
1. Park the machine on a level surface, to ensure the fuel
tank drains completely. Then, set the parking brake,
and turn the ignition key to off. Remove the key.
2. Close the fuel shut–off valve (Fig. 50).
3. Loosen the hose clamp at the fuel filter and slide it up
the fuel line away from the fuel filter (Fig. 50).
4. Pull the fuel line off fuel filter (Fig. 50). Open fuel
shut-off valve and allow gasoline to drain into a gas
can or drain pan.
Note: Now is the best time to install a new fuel filter
because the fuel tank is empty.
5. Install the fuel line onto the fuel filter. Slide the hose
clamp close to the fuel filter to secure the fuel line
(Fig. 50).

Cleaning the Cooling Systems

Cleaning the Engine Screen
Before each use, check and clean engine screen. Remove
any build–up of grass, dirt or other debris from the engine
air intake screen.
Servicing the Hydraulic
System
Warning
Hydraulic fluid escaping under pressure can
penetrate skin and cause injury.
• If hydraulic fluid is injected into the skin it
must be surgically removed within a few hours
by a doctor familiar with this type of injury.
Gangrene may result if this is not done.
• Keep body and hands away from pin hole leaks
or nozzles that eject high pressure hydraulic
fluid.
• Use cardboard or paper to find hydraulic leaks.
• Safely relieve all pressure in the hydraulic
system before performing any work on the
hydraulic system.
• Make sure all hydraulic fluid hoses and lines
are in good condition and all hydraulic
connections and fittings are tight before
applying pressure to hydraulic system.
Replacing the Hydraulic Filter
Change the hydraulic filter:
• After the first 8 operating hours.
• After every 200 operating hours.
1. Set the parking brake, stop the engine, remove the key,
and wait for all moving parts to stop before leaving the
operating position.
Important Do not substitute automotive oil filter or
severe hydraulic system damage may result.
2. Place a drain pan under filter, remove the old filter and
wipe the filter adapter gasket surface clean (Fig. 51).
Figure 51
1. Hydraulic filter
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1