13
Checking the Hydraulic System
The machine’s reservoir is filled at the factory with
approximately 3 gallons (11.4 l) of high quality hydraulic
fluid. Check the level of hydraulic fluid before the
engine is first started and daily thereafter. Appropriate
hydraulic oils are listed below.
The following list is not assumed to be all-inclusive.
Hydraulic fluids produced by other manufacturers may be
used if they can cross reference to find an equivalent to the
products listed. Toro will not assume responsibility for
damage caused by improper substitutions, so use only
products from reputable manufacturers who will stand
behind their recommendation.
Multigrade Hydraulic Fluid—ISO VG 46
Normal Climate: 05F (–185C) to 1105F (435C)
Mobil DTE 15M
Amoco Rykon Premium ISO 46
Chevron Rykon Premium Oil ISO 46
Conoco Hydroclear AW MV 46
Exxon Univis N46
Pennzoil AWX MV46
Shell Tellus T 46
Texaco Rando HDZ 46
Important The ISO VG 46 Multigrade fluid has been
found to offer optimal performance in a wide range of
temperature conditions. For operation in consistently high
ambient temperatures, 65°F (18°C) to 120°F (49°C), ISO
VG 68 hydraulic fluid may offer improved performance.
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 to 4–6 gal (15–23 l) of hydraulic oil. Order Part
No. 44-2500 from your Authorized Toro Distributor.
1. Remove the cap from the hydraulic oil reservoir
(Fig. 8).
1
Figure 8
1. Oil reservoir cap
2. Check the oil level in the reservoir. The oil level should
be up to the top of the cone point on the tank screen.
3. If the fluid level is low, slowly fill the reservoir with the
appropriate hydraulic fluid until the level reaches the
bottom of the screen. Do not overfill.
4. Install the reservoir cap.
Important To prevent system contamination, clean the
top of the hydraulic oil containers before puncturing.
Ensure that the pour spout and funnel are clean.
Checking the Tire Pressure
Check the tire pressure before operating the machine. The
correct air pressure in the front and rear tires is 4–6 psi
(28–41 kPa).
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