Checking The Hydraulic Lines And Hoses - Toro Greensmaster 3420 TriFlex Operator's Manual

Changing the Hydraulic Fluid and
Filter
Service Interval: After the first 50 hours
Every 800 hours
Hydraulic Fluid Capacity: 25.7 L (6.8 US gallons)
If the fluid becomes contaminated, have your
authorized Toro distributor flush the system.
Contaminated fluid looks milky or black when
compared to clean fluid.
1. Clean the area around the filter mounting area
(Figure 48). Place a drain pan under the filter
and remove the filter.
Figure 48
1. Hydraulic-fluid filter
Note:
If you will not be draining the fluid,
disconnect and plug the hydraulic line going to
the filter.
2. Fill the replacement filter with the appropriate
hydraulic fluid, lubricate the sealing gasket, and
hand turn it until the gasket contacts the filter
head. Then tighten it 3/4 turn further.
3. Fill the hydraulic reservoir with hydraulic fluid;
refer to Hydraulic Fluid Specifications (page 46)
and

Checking the Hydraulic Lines and Hoses

(page 48).
4. Start the machine and run it at idle for 3 to 5
minutes to circulate the fluid and remove any air
trapped in the system. Shut off the engine and
check the fluid level.
5. Dispose of the fluid and filter properly.
Checking the Hydraulic
Lines and Hoses
Check the hydraulic lines and hoses daily for
leaks, kinked lines, loose mounting supports, wear,
loose fittings, weather deterioration, and chemical
deterioration. Make all necessary repairs before
operating.
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