Toro Z449 Z Master - Hydraulic Filter and Oil Replacement

Figure 55
1. Cap
3. Cold uid level-full
2. Bafe 4. Hot uid level-full
Hy draulic fluid escaping under pr essur e
can penetrate skin and cause injur y .
• If h y draulic fluid is injected into the
skin it must be surgicall y r emo v ed
within a few hour s by a doctor f amiliar
with this type of injur y . Gang r ene
may r esult if this is not done.
• K eep body and hands a w ay fr om pin
hole leaks or nozzles that eject high
pr essur e h y draulic fluid.
• Use cardboard or paper to find
h y draulic leaks.
• Safel y r eliev e all pr essur e in the
h y draulic system bef or e perf or ming
an y w or k on the h y draulic system.
• Mak e sur e all h y draulic fluid hoses
and lines ar e in good condition and
all h y draulic connections and fittings
ar e tight bef or e appl ying pr essur e to
h y draulic system.
Replacing the Hydraulic Filter and Oil
Chang e the h y draulic filter and oil:
• After the first 8 operating hours .
• Chang e yearly after the first 200 operating
hours .
Use summer filter abo v e 32°F (0°C)
Use winter filter belo w 32°F (0°C)
1. Diseng ag e the PTO , mo v e the motion control
lev ers to the neutral loc k ed position and set
the parking brak e .
2. Stop the engine , remo v e the k ey , and w ait for
all mo ving par ts to stop before lea ving the
operating position.
Important: Do not substitute automoti v e
oil filter or sev er e h y draulic system dama ge
may r esult.
3. Place a drain pan under filter , remo v e the old
filter and wipe the filter adapter g ask et surface
clean ( Figure 56 ).
Figure 56
1. Hydraulic lter
4. Apply a thin coat to the r ubber g ask et on the
re placement filter ( Figure 57 ).
5. Install the re placement h y draulic filter onto the
filter adapter . Do not tighten.
6. Fill the h y draulic tank with h y draulic fluid until
the fluid o v erflo ws the filter and then tur n
the oil filter cloc kwise until the r ubber g ask et
contacts the filter adapter , then tighten the
filter an additional 1/2 tur n ( Figure 57 ).
7. Clean up any spilled fluid.
8. Add fluid to the cold lev el of the baffle in the
h y draulic tank.
9. Star t the engine and let it r un for about tw o
min utes to purg e air from the system. Stop
the engine and c hec k for leaks . If one or
both wheels will not dri v e , refer to Bleeding
Hy draulic System.
10. R ec hec k the fluid lev el while the fluid is w ar m.
T he fluid should be betw een cold and hot.
11. If required, add fluid to the h y draulic tank. Do
not o v erfill.
43