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2
3
Figure 46
1. Air cleaner latches
2. Cover
3. Remove and replace the filter. Cleaning of the used
element is not recommended due to the possibility of
damage to the filter media. Inspect the new filter for
shipping damage, checking the sealing end of the filter
and the body. Do not use a damaged element. Insert the
new filter by applying pressure to the outer rim of the
element to seat it in the canister. Do not apply pressure
to the flexible center of the filter.
Figure 47
1. Air cleaner filter
4. Clean the dirt ejection port located in the removable
cover. Remove the rubber outlet valve (Fig. 46) from
the cover, clean the cavity and replace the outlet valve.
1
3. Dirt ejection port
1
5. Install the cover orienting the rubber outlet valve in a
downward position – between approximately 5:00 to
7:00 when viewed from the end.
6. Secure the latches.
Servicing the Hydraulic System
The machines reservoir is filled at the factory with
approximately 40 U.S. gallons (151.4 l) 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:
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.
Antiwear Hydraulic Fluid, ISO VG 46
Material Properties:
Viscosity, ASTM D445
Viscosity Index ASTM D2270 97 to 107
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.
Note: When changing from one type of hydraulic fluid to
another, be certain to remove all the old fluid from the
system, as some fluids are incompatible with others.
Checking the Oil Level
1. Visually check hydraulic oil level daily through sight
glass (Fig. 48). With machine on a level surface, oil
should be in the middle of the sight glass when warm
and slightly below level when cold.
44
cSt @ 40_C 65 to 71
cSt @ 100_C 8.4 to 8.9
–18_F to –30_F
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