Replacing The Hydraulic Filter; Changing The Hydraulic Fluid - Toro 320-D Operator's Manual

Replacing the Hydraulic
Filter
Service Interval: After the first 8 hours
Every 400 hours
Important:
Do not substitute an automotive oil
filter or severe hydraulic system damage may
result.
1. Park the machine on a level surface and engage
the parking brake (if equipped).
2. Raise the loader arms and install the cylinder
locks.
3. Shut off the engine and remove the key.
4. Remove the hood/front access cover (if
equipped).
5. Place a drain pan under the filter.
6. Remove the old filter
surface of the filter adapter clean.
Figure 40
1. Hydraulic filter
2. Gasket
3. Filter adapter
7. Apply a thin coat hydraulic fluid to the rubber
gasket on the replacement filter
8. Install the replacement hydraulic filter onto the
filter adapter (Figure
until the rubber gasket contacts the filter adapter,
then tighten the filter an additional 1/2 turn.
9. Clean up any spilled fluid.
10. Start the engine and let it run for about 2 minutes
to purge air from the system.
11. Shut off the engine and check for leaks.
(Figure 40) and wipe the
(Figure 40).
40). Tighten it clockwise
WARNING
Hydraulic fluid escaping under pressure
can penetrate skin and cause injury.
Fluid injected into the skin must be
surgically removed within a few hours by
a doctor familiar with this form of injury;
otherwise, gangrene may result.
• Keep your body and hands away from
pinhole leaks or nozzles that eject
high-pressure hydraulic fluid.
• Use cardboard or paper to find
hydraulic leaks; never use your
hands.
12. Check the fluid level in the hydraulic tank (refer
to Checking the Hydraulic-Fluid Level (page
38) and add fluid to raise the level to mark on
dipstick. Do not overfill the tank.
13. Install the hood/front access cover (if equipped).
14. Remove and store the cylinder locks and lower
the loader arms.
Changing the Hydraulic
Fluid
Service Interval: Yearly
1. Park the machine on a level surface.
2. Raise the loader arms and install the cylinder
g003721
locks.
3. Shut off the engine, remove the key, and allow
the engine to cool.
4. Remove the hood/front-access cover (if
equipped).
5. Place a large drain pan under the machine that
can hold at least 57 L (15 US gallons).
6. Remove the drain plug from the bottom of the
hydraulic tank and allow the fluid to completely
drain out.
7. Install the drain plug.
8. Fill the hydraulic tank with approximately 57
L (15 US gallons) of hydraulic fluid; refer to
Hydraulic Fluid Specifications (page
Note:
Dispose of used oil at a certified recycling
center.
9. Install the hood/front-access cover (if equipped).
10. Remove and store the cylinder locks and lower
the loader arms.
39
38).