Toro 31900A - Changing the Hydraulic Fluid and Filters

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Figure 83
3. Remove the dipstick from the hydraulic tank and
wipe it with a clean cloth ( Figure 83 ).
4. Insert the dipstick into the hydraulic tank.
5. Remove the dipstick and check the uid level
( Figure 84 ).
• If you have a cutting unit equipped: The
hydraulic-uid level is at the appropriate level
when the uid appears between the lower 2
marks on the dipstick ( A in Figure 84 ). It is
also acceptable for the uid level to be above
the lower marks.
• If you have the Hydraulic Driven
Attachment Hose Kit equipped: The
hydraulic-uid level is at the appropriate level
when the uid appears between the upper 2
marks on the dipstick ( B in Figure 84 ).
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Figure 84
6. If the uid level is below the appropriate lower
mark (per your equipped attachment; refer
to step 5 ) on the dipstick, add the specied
hydraulic uid into the tank. Repeat steps 3
through 5 until the uid level appears between
the appropriate 2 marks on the dipstick.
7. Insert the dipstick and plug into the hydraulic
tank.
8. Hand-tighten the plug.
Important: Do not use a tool to tighten the
plug.
9. Check all hydraulic hoses and ttings for leaks.
Changing the Hydraulic
Fluid and Filters
Service Interval : After the rst 1000 hours —Change
the hydraulic uid and hydraulic
lter .
Every 800 hours —Change the hydraulic lter (if
you are not using the recommended hydraulic
uid or have ever lled the hydraulic tank with
alternative uid).
Every 800 hours —Change the hydraulic uid (if
you are not using the recommended hydraulic
uid or have ever lled the hydraulic tank with
alternative uid).
Every 1,000 hours —Change the hydraulic lter
(if you are using the recommended hydraulic
uid).
Every 2,000 hours —Change the hydraulic uid
(if you are using the recommended hydraulic
uid).
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