23
International Harvester Hy–Tran
Texaco TDH
Shell Donax TD
Union Oil Hydraulic/Tractor Fluid
Chevron Tractor Hydraulic Fluid
BP Oil BP HYD TF
Boron Oil Eldoran UTH
Exxon Torque Fluid
Conoco Power–Tran 3
Kendall Hyken 052
Phillips HG Fluid
Group 2 Hydraulic Fluid (Biodegradable):
ISO VG 32/46 anti–wear hydraulic fluid
Mobil EAL 224H
Important Due to the nature of biodegradable fluids, it
is critical that the fluid be changed at the recommended
intervals or severe hydraulic component damage may
occur.
Note: The fluid in this group is not compatible with the
fluids in group 1.
Important These hydraulic fluids are specified to allow
optimal operation of the machine in a wide range of
temperatures encountered. The group 1 fluids are a
multi-viscosity hydraulic fluids which allows operation at
lower temperatures without the increased viscosity, which
is associated with straight viscosity fluids.
Note: When changing from one type of hydraulic fluid to
the other, be certain to remove all the old fluid from the
system, because some brands of one type are not
completely compatible with some brands of the other type
of hydraulic fluid.
Important Use only types of hydraulic fluids specified.
Other fluids could cause system damage.
Note: A red dye additive for the hydraulic system fluid is
available in 2/3 oz bottles. One bottle is sufficient for 4–6
gal. of hydraulic oil. Order Part No. 44-2500 from your
Authorized Toro Distributor.
1. Position the machine on a level surface.
2. Check the fluid level by viewing it in the sight gauge
(Fig. 25). If the fluid is cold, the level should be at the
bottom of the gauge. If the fluid is hot, the level should
be at the center of the gauge.
3. If the fluid level is not at least at the bottom of the
gauge when it is cold, remove the cap from the
hydraulic fluid reservoir (Fig. 25) and slowly fill the
reservoir with Mobil 424 or equivalent hydraulic fluid
until the level in it reaches the bottom of the sight
gauge. Do not overfill.
1
2
Figure 25
1. Hydraulic reservoir cap 2. Sight gauge
Important To prevent system contamination, clean the
top of the hydraulic fluid containers before puncturing.
Ensure that the pour spout and funnel are clean.
4. Install the reservoir cap. Wipe up any fluid that may
have spilled.
Inspecting the Fuel Filter
Inspect the fuel filter bowl daily for water or other
contaminants. If water or other contaminants are present,
they must be removed before commencing operation.
1. Close the fuel shut-off above the filter (Fig. 26).
2. Unscrew the nut securing the bowl to the filter head.
Remove water or other contaminants from the bowl.
1
2
Figure 26
1. Fuel shut-off 2. Fuel filter
3. Inspect the fuel filter and replace it if it is dirty; refer to
Replacing the Fuel Filter, page 37.
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