Hydraulic System Maintenance; Servicing The Hydraulic System - Toro 30071 Operator's Manual

Commercial walk-behind mower 16hp, t-bar, hydro drive with 91cm turbo force cutting unit
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Figure 44
1. Left motion control lever
2. Right motion control lever
2. Loosen the wing nuts on the right control rod and
rotate the turnbuckle in or out to ensure the right side
control lever is centered in the neutral lock position.
3. Secure the turnbuckle in position with the wing nuts
(Figure 45).
Figure 45
1. Turnbuckle
2. Bottom wing nut
4. Loosen the wing nuts on the left control rod and rotate
the turnbuckle in or out to change the tracking.
5. Secure the turnbuckle in position with the wing nuts
(Figure 45).
6. Check for proper tracking. Adjust the left control rod
if a change is needed. Refer to Adjusting the Tracking
(page 26).
3. Neutral locked position
4. Align the control levers
front to back here
3. Top wing nut (left hand
threaded)
Hydraulic System
Maintenance
Servicing the Hydraulic
System
Fluid Type: Toro Hypr-Oil 500 synthetic motor oil or
equivalent synthetic oil.
Important: Use oil specified or equivalent. Other fluids
could cause system damage.
Hydraulic System Oil Capacity: 67 oz. (2.0 L)
Checking the Hydraulic Fluid
Service Interval: After the first 8 hours—Check the
hydraulic fluid.
Every 25 hours—Check the hydraulic fluid.
Every 200 hours—Change the hydraulic fluid.
Note: There are 2 ways of checking the hydraulic oil. One
is when the oil is warm and one is when the oil is cold. The
baffle inside the tank has 2 levels depending if the oil is warm
or cold.
1. Position the machine on a level surface.
2. Disengage the power take off (PTO) and shut off the
engine.
3. Wait for all moving parts to stop before leaving the
operating position and set the parking brake.
4. Clean area around the cap and filler neck of the
hydraulic tank (Figure 46).
1. Cap
2. Baffle
5. Remove the cap from filler neck and check the fluid
level in the reservoir. (Figure 46).
6. Add fluid to the reservoir until it reaches the cold level
of the baffle.
7. Run the machine at low idle for 15 minutes to allow
any air to purge out of the system and warm the fluid.
Refer to Starting and Stopping the Engine (page 13).
34
Figure 46
3. Cold fluid level-full
4. Hot fluid level-full

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