Hydraulic System Maintenance; Changing The Hydraulic Filter; Changing The Hydraulic Fluid - Toro Reelmaster 3555 Operator's Manual

Hydraulic System
Maintenance

Changing the Hydraulic Filter

Service Interval: After the first 10 hours
Every 200 hours/Yearly (whichever comes first)
Use a genuine Toro replacement filter (Part No. 86-3010).
Important: Use of any other filter may void the warranty
on some components.
1. Position the machine on a level surface, lower the
cutting units, shut off the engine, set the parking brake,
and remove the key from the ignition switch.
2. Clean around the filter mounting area. Place a drain
pan under the filter
Figure 65
1. Hydraulic filter
3. Lubricate the new filter gasket and fill the filter with
hydraulic fluid.
4. Ensure that the filter mounting area is clean. Screw the
filter on until the gasket contacts the mounting plate;
then tighten the filter 1/2 turn.
5. Start the engine and let it run for about 2 minutes to
purge air from the system.
6. Shut the engine off and check for leaks.

Changing the Hydraulic Fluid

Service Interval: Every 400 hours
If the fluid becomes contaminated, contact your local Toro
distributor because the system must be flushed. Contaminated
fluid looks milky or black when compared to clean fluid.
(Figure 65) and remove the filter.
1. Position the machine on a level surface, lower the
cutting units, shut off the engine, set the parking brake,
and remove the key from the ignition switch.
2. Disconnect the large hydraulic hose
the reservoir and let the hydraulic fluid flow into a
drain pan.
1. Hydraulic hose
3. Install the hydraulic hose when hydraulic fluid stops
draining.
4. Fill the reservoir
L (3.5 US gallons) of hydraulic fluid; refer to
the Hydraulic System (page
Important: Use only the hydraulic fluids
specified. Other fluids could cause system
damage.
1. Hydraulic fill cap
5. Install the reservoir cap. Start the engine and use all
the hydraulic controls to distribute the hydraulic fluid
throughout the system.
6. Check for leaks; then shut off the engine.
45
(Figure
Figure 66
(Figure 67) with approximately 13.2
24).
Figure 67
66) from
Checking