Figure 67
Hydraulic System
Maintenance
T he reser v oir is filled at the factor y with
appro ximately 5 quar ts (4.7 l) of high quality
tractor transmission/h y draulic fluid. T he
recommended re placement fluid is as follo ws:
Toro Premium Transmission/Hydraulic
Tractor Fluid (Available in 5 gallon pails or 55
gallon drums. See parts catalog or Toro distributor
for part numbers.)
Alter nate fluids: If the T oro fluid is not a v ailable ,
Mobil® 424 h y draulic fluid ma y be used.
Note: T oro will not assume responsibility for
damag e caused b y improper substitutions .
Note: Many h y draulic fluids are almost colorless ,
making it difficult to spot leaks . A red dye additi v e
for the h y draulic system oil is a v ailable in 2/3 oz.
(20 ml) bottles . One bottle is sufficient for 4-6
g al (15-22 1) of h y draulic oil. Order par t n umber
44-2500 from y our authorized T oro distributor .
Checking the Hydraulic
System
Chec k the lev el of the h y draulic fluid before the
engine is first star ted and daily thereafter .
1. P osition the mac hine on a lev el surface . Place
the controls in the neutral loc k ed position and
star t the engine . R un engine at lo w est possible
RPM to purg e the system of air . Do not
enga ge the PT O . Raise the dec k to extend lift
cylinders , stop the engine , and remo v e the k ey .
2. Raise the seat to access the h y draulic fluid tank.
3. R emo v e the h y draulic fill cap ( Figure 68 ) from
filler nec k.
Figure 68
1. Dipstick 2. Fill cap
4. R emo v e the dipstic k and wipe it with a clean
rag ( Figure 68 ).
5. Place the dipstic k into the filler nec k; then
remo v e it and c hec k lev el of fluid ( Figure 68 ).
If lev el is not within notc hed area of the
dipstic k, add enough high quality h y draulic
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