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Hydraulic System
Maintenance
The reservoir is filled at the factory with approximately
17 liters (18 quarts) of high quality tractor
transmission/hydraulic fluid. The recommended
replacement fluid is as follows:
Toro Premium Transmission/Hydraulic Tractor Fluid
(Available in 5 gallon pails or 55 gallon drums. See parts
catalog or Toro distributor for part numbers.)
Alternate fluids: If the Toro fluid is not available,
Mobil® 424 hydraulic fluid may be used.
Note:
Toro will not assume responsibility for damage
caused by improper substitutions.
Note:
Many hydraulic fluids are almost colorless,
making it difficult to spot leaks. A red dye additive for
the hydraulic system oil is available in 20 ml (2/3 oz.)
bottles. One bottle is sufficient for 15-22 1iters (4-6
gallons) of hydraulic oil. Order part number 44-2500
from your authorized Toro distributor.
Checking the Hydraulic
System
Service Interval: Before each use or daily
Check the level of the hydraulic fluid before the engine
is first started and daily thereafter.
1.
Position the machine on a level surface. Release
the traction pedal to the neutral position and
start the engine. Run engine at lowest possible
RPM to purge the system of air. Do not engage
the PTO. Raise the deck to extend lift cylinders,
stop the engine, and remove the key.
2.
Remove the hydraulic fill cap
filler neck.
3.
Remove the dipstick and wipe it with a clean rag
(Figure
67).
4.
Screw the dipstick all the way into the filler neck;
then remove it and check level of fluid
67).
If level is not within notched area of the dipstick,
add enough high quality hydraulic fluid to raise
level to within the notched area. Do not overfill.
5.
Replace the dipstick and thread the fill cap
finger-tight onto filler neck.
6.
Check all hoses and fittings for leaks.
Changing the Hydraulic Oil
And Filter
Service Interval: After the first 200 hours
(Figure
67) from
(Figure
55
Figure 67
1. Dipstick
Every 800 hours
1.
Disengage the PTO, release the traction pedal
to the neutral position and set the parking brake.
2.
Move the throttle lever to the Slow position,
stop the engine, remove the key, and wait for
all moving parts to stop before leaving the
operating position.
3.
Place a large pan under the hydraulic reservoir
and transmission case and remove the plugs,
draining all of the hydraulic fluid
g014190
(Figure
68).
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