Checking The Hydraulic Fluid - Toro 30859 Operator's Manual

Traction unit
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Figure 19
1. Fuel tank cap
4. Fill the tank until the level is to the bottom of the filler
neck with diesel fuel.
5.
Install fuel tank cap tightly after filling tank.
Note: If possible, fill the fuel tank after each use. This
will minimize possible buildup of condensation inside
the fuel tank.

Checking the Hydraulic Fluid

The machines reservoir is filled at the factory with
approximately 10 U.S. gallons (37.8l) of high quality hydraulic
fluid. Check the level of the hydraulic fluid before the
engine is first started and daily thereafter. The recommended
replacement fluid is as follows:
Toro Premium All Season Hydraulic 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, other
fluids may be used provided they meet all the following
material properties and industry specifications. We do not
recommend the use of synthetic fluid. Consult with your
lubricant distributor to identify a satisfactory product Note:
Toro will not assume responsibility for damage caused by
improper substitutions, so use only products from reputable
manufacturers who will stand behind their recommendation.
High Viscosity Index/Low Pour Point Anti-wear Hydraulic
Fluid, ISO VG 46
Material Properties:
Viscosity, ASTM D445
Viscosity Index ASTM
D2270
2. Fuel gauge
cSt @ 40°C 44 to 48cSt
@ 100°C 7.9 to 8.5
140 to 160
Pour Point, ASTM D97
Industry Specifications:
Vickers I-286-S (Quality Level), Vickers M-2950-S
(Quality Level), Denison HF-0
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 2/3 oz. (20 ml) bottles. One bottle is
sufficient for 4-6 gal (15-22 1) of hydraulic oil. Order part no.
44-2500 from your authorized Toro distributor.
Biodegradable Hydraulic Fluid - Mobil 224H
Toro Biodegradable Hydraulic Fluid (Available in 5
gallon pails or 55 gallon drums. See parts catalog or Toro
distributor for part numbers.)
Alternate fluid: Mobil EAL 224H
Note: This is vegetable-oil based biodegradable oil tested
and approved by Toro for this model. This fluid is not as
resistant to high temperatures as standard fluid, so be sure
to follow the recommended fluid change intervals with this
fluid. Contamination by mineral-based hydraulic fluids will
change the biodegradability and toxicity of this oil. When
changing from standard fluid to the biodegradable type, be
certain to follow the approved flushing procedure. Contact
your local Toro Distributor for details.
1. Position machine on a level surface, lower the cutting
decks and stop the engine.
2. Clean area around filler neck and cap of hydraulic tank
(Figure 20).
1. Hydraulic tank cap
3. Remove cap/dipstick from filler neck and wipe it with
a clean rag. Insert dipstick into filler neck; then remove
it and check level of fluid. Fluid level should be within
operating range on dipstick. Do not overfill.
4. If level is low, add appropriate fluid to raise level to
full mark.
5. Install cap/dipstick onto filler neck.
22
-34°F to -49°F
Figure 20

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30861Groundsmaster 4300-d

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