Toro 72923 - Changing the Hydraulic Fluid and Filters

7. Wipe the dipstick of f and thread the dipstick into
the reservoir .
8. Remove the dipstick and look at the end ( Figure
1 10 ).
Important: Do not overll the hydraulic
units with uid, as damage may occur . Do
not run the machine with uid below the add
mark.
9. If the uid level is at the add mark, slowly pour
only enough uid into the hydraulic reservoir to
raise the level to the full or H line.
10. Install the dipstick.
1 1. Repeat the procedure for the opposite dipstick.
g015459
Figure 1 10
Either dipstick is used in the machine
1. Full 3. H —means high level
2. Add 4. Dipstick locations under
seat
Changing the Hydraulic
Fluid and Filters
Service Interval : After the rst 250 hours —Change
the hydraulic lters and hydraulic
uid.
Every 250 hours —After the initial
change—change the hydraulic-system
lters and uid when using Mobil 1 15W50
uid. (Change it more often under dirty or dusty
conditions)
Every 500 hours —After the initial
change—change the hydraulic-system
lters and uid when using T oro
®
HYPR-OIL
™
500 uid. (Change it more often under dirty or
dusty conditions)
T o replace the hydraulic uid, the lters need to be
removed. Replace both at the same time; refer to
Hydraulic-Fluid Specications ( page 73 ) for uid
specications.
1. Park the machine on a level surface, disengage
the blade-control switch, and engage the parking
brake.
2. Shut of f the engine, remove the key , and wait
for all moving parts to stop before leaving the
operating position.
3. Raise the machine and support it with jack
stands ( Figure 1 1 1 ).
g008970
Figure 1 1 1
1. Jack stands
4. Remove both the mower belt and the pump-drive
belt; refer to Replacing the Mower Belt ( page
69 ) and Replacing the Hydraulic Pump-Drive
Belt ( page 70 ) .
Note: This prevents uid from getting on the
belts.
74