Service Manual

Table Of Contents
HYDRAULICS & ENGINE MOUNTING
4-7
Toro 30” Aerator Service Manual
4
Changing Hydraulic Transmission
Filters and Fluid
Service Interval: After the rst 100 hours, every 250
hours thereafter
Hydraulic Transmission Filter Removal
1. Stop engine, wait for all moving parts to stop.
Remove key and spark plug wires. Engage parking
brake.
2. Locate the two lters under the transmissions.
Remove lter guards (Fig. 075).
Hydraulic Transmission Filter Installation
1. Apply a thin coat of Hydro Oil to the surface of
the rubber seal on the new oil lter. Turn the lter
clockwise until the rubber seal contacts the lter
adapter, then tighten the lter an additional 3/4 to 1
full turn.
2. Fill through EXPANSION TANK (Fig. 076).
Fig. 075 hyd lter
3. Carefully clean area around lters. It is important
that no dirt or contamination enter hydraulic system
and remove the lters.
Toro Premium Hydro Oil s recom mended. Refer to the
chart for an acceptable alternative:
Hydro Oil Change Interval
Toro Premium Hydro Oil
(Preferred)
500 Hours
Mobil 1 15W50 250 Hours
3. Continue to add oil until it reaches the full cold line
on the expansion reservoir.
Fig. 076 expansion tank