Drain Water From Hydraulic Reservoir - Toro GROUNDSMASTER 580-D 30581 Operator's Manual

Maintenance

Drain Water From Hydraulic Reservoir

Every 500 hours operation, drain water from the reservoir at
three (3) locations.
1. Place drain pan under reservoir.
2. Locate plugs at right rear behind front wheel, at rear
center and front center of reservoir (Fig. 47).
1. Drain plug—front center
2. Hydraulic reservoir
3. Open each plug approximately one turn. Allow fluid
to drain until only hydraulic oil is draining and
re-tighten the plug.
4. Check the hydraulic oil level. Add oil, as necessary.
Drain Hydraulic Reservoir
Every 1,000 hours operation, or yearly, drain and replace
hydraulic fluid in reservoir. Total system capacity is
approximately 151 L; reservoir capacity is approximately
121 L.
Note: If oil becomes contaminated (oil appears milky or
black), the system must be flushed. Contact your local
TORO distributor for assistance.
1. Place the drain pan under the reservoir. In turn,
remove all three (3) drain plugs and let the oil drain
into pan (Fig. 47).
2. Inspect the O-rings on the plugs and replace, if
damaged. Install the drain plugs.
3. With the machine on level surface, fill the reservoir
with hydraulic oil until the oil level is midway up in
36
Figure 47
the sight glass (Fig. 45).
4. Install the reservoir cap. Start the engine and use all
hydraulic controls to distribute oil throughout the
system. Check for leaks. If repairs are needed, shut
off the engine before beginning.
5. Recheck oil level; add if necessary.
Hydraulic System Breather
During normal operating conditions, replace the hydraulic
system oil breather after every 1000 hours operation, or
yearly. Replace the breather more frequently in extremely
dusty, dirty conditions.
1. Release the latches, open the hood and prop it open
with a rod.
2. The breather is located along the right side of the
radiator (Fig. 48). Clean the area around it, unscrew
it with a wrench and install the replacement.
1. Hydraulic system breather
3. Close and latch the hood.
Hydraulic System Test Ports
The test ports (Fig. 49) are used for testing the hydraulic
circuits. Contact your local TORO distributor for assistance
on use of these components.
Figure 48