Toro 30630 Groundsmaster 328-D Operator's Manual page 22

Note: Do not mix engine oil and automatic transmission
fluid or hydraulic system component damage may result.
When changing fluids, also change transmission filter. Do
not use Dexron II ATF.
Note: Fluid to operate the power steering is supplied by the
hydraulic system transmission charge pump. Cold weather
start-up may result in "stiff" operation of the steering until
the hydraulic system has warmed up. Using proper weight
hydraulic oil in system minimizes this condition.
The front axle housing acts as the reservoir for the system.
The transmission and axle housing are shipped from the
factory with approximately 5 quarts (4.7 l) of SAE 10W-30
engine oil. However, check level of transmission oil before
engine is first started and daily thereafter.
1. Position machine on a level surface, raise the
implement, and stop the engine.
2. Unscrew dipstick cap (Fig. 20) from the filler neck and
wipe it with a clean rag. Screw dipstick cap finger tight
onto filler neck. Unscrew the dipstick and check level
of oil. If level is not within 1/2 in. (13 mm) from the
groove in the dipstick (Fig. 20), add enough oil to raise
level to groove mark. Do not overfill by more than
1/2 in. (13 mm) above groove.
Important
When adding oil to the hydraulic system,
use a funnel with a fine wire screen—200 mesh—and
ensure funnel and oil are immaculately clean. This
procedure prevents accidental contamination of the
hydraulic system.
3. Screw dipstick filler cap finger–tight onto filler neck. It
is not necessary to tighten cap with a wrench.
4. Lower the implement.
1. Dipstick cap
22
Figure 20
2. Groove