Toro TITAN HD Service Manual page 59

Hydraulic System Maintenance (Cont.)
Changing the Hydraulic System Filters and Fluid
Service Interval: After the first 75 hours of use: Change the hydraulic system filters and fluid
Every 250 hours (after the initial change): Change the hydraulic-system filters and fluid when
using Mobil 1 15W-50 fluid (change the fluid more often under severe conditions).
Every 500 hours (after the initial change): Change the hydraulic system filters and fluid when
using Mobil 1 15W-50 fluid (change the fluid more often under severe conditions).
Change the oil and the filters at the same time. Do not reuse the oil. Purge any air from the system after installing
the new filters and add oil
the oil remains at the FULL COLD line in the reservoir after purging.
NOTE: Failure to properly perform this procedure can result in irreparable damage to the hydrostatic
drive system.
Removing the Hydraulic System Filters
1. Park the machine on a level surface, disengage the PTO, stop the engine, engage the parking brake, and
remove the key.
2. Allow the machine to cool down.
3. Locate the filter and guards on each hydrostatic drive unit.
4. Remove the three screws securing the filter guard (Figure 31).
MAINTENANCE
see "Purging Procedure," chapter 7, page
E
C
D
A. Hydrostatic Drive
B. Oil Filter
C. Filter Guard
Digital Edition - TITAN® HD Service Manual
January 2018
7-8. Repeat the purging procedure until
A
B
Figure 31
D. Screws
E. Vent Plug
3-41
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