Toro 74833 Operator's Manual page 38

result in irreparable damage to the transaxle drive
system.
Removing Hydraulic System Filters
1. Stop engine, wait for all moving parts to stop, and
allow engine to cool. Remove the key and engage
the parking brake.
2. Locate the filter and guards on each transaxle drive
system (Figure 47). Remove three screws securing
the filter guard and guard.
5
3
4
Figure 47
Right side shown
1. Transaxle drive
2. Oil filter
3. Filter guard
3. Carefully clean area around filters. It is important
that no dirt or contamination enter hydraulic system.
4. Locate and remove the vent plug on each
transmission
5. Place a container below the filter to catch the oil that
drains when the filter is removed. Unscrew the filter
to remove and allow oil to drain from drive system.
Repeat this procedure for both filters.
Installing the Hydraulic System Filters
Service Interval: After the first 50 hours
Every 400 hours
G010254
1
2
4. Screws
5. Vent plug
1
3
5
1. Apply a thin coat of oil on the surface of the rubber
seal of each filter.
2. Turn the filter clockwise until rubber seal contacts
the filter adapter then tighten the filter an additional
3/4 to 1 full turn. Repeat for the other filter
3. Install the filter guards over each filter as previously
removed. Use the three screws to secure the filter
guards.
4. Slowly pour the specified oil through expansion
reservoir until oil comes out of vent plug holes. Stop
and install the vent plugs. Torque plugs to 180 in-lb
(20.3 N-m).
5. Continue to add oil until it reaches the FULL COLD
line on the expansion reservoir. Proceed to the
Bleeding the Hydraulic System section.
Important: Failure to perform the Bleeding
the Hydraulic System procedure after changing
hydraulic filters and oil can result in irreparable
damage to the transaxle drive system.
Bleeding the Hydraulic System
1. Raise the rear of machine up and support with jack
stands (or equivalent support) just high enough to
allow drive wheels to turn freely.
38
2
4
6
3/4
G008748
Figure 48