Toro Z334 Z-Master, Operator'S Manual

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Hydraulic fluid escaping under pressure
can penetrate skin and cause injury.
• If hydraulic fluid is injected into the
skin it must be surgically removed
within a few hours by a doctor familiar
with this type of injury. Gangrene
may result if this is not done.
• Keep body and hands away from pin
hole leaks or nozzles that eject high
pressure hydraulic fluid.
• Use cardboard or paper to find
hydraulic leaks.
• Safely relieve all pressure in the
hydraulic system before performing
any work on the hydraulic system.
• Make sure all hydraulic fluid hoses
and lines are in good condition and
all hydraulic connections and fittings
are tight before applying pressure to
hydraulic system.
Replacing the Hydraulic Filters and
Oil
Change the hydraulic filter and oil:
• After the first 250 operating hours.
• Change yearly after the first 250 operating
hours.
1. Disengage the PTO, move the motion control
levers to the neutral locked position and set
the parking brake.
2. Stop the engine, remove the key, and wait for
all moving parts to stop before leaving the
operating position.
Important:
Do not substitute automotive
oil filter or severe hydraulic system damage
may result.
3. Locate the two filters, one under each
transmission and remove the filter guards.
4. Carefully clean the area around the filters. It is
important that no dirt or contamination enter
the hydraulic system (Figure 52).
5. Unscrew the filters and allow the oil to drain
from the drive system (Figure 52).
Important:
Before reinstalling new
filters, apply a thin coat of oil on the surface
of the filters rubber seal.
6. Install the new filters clockwise until rubber
seal contacts the filter adapter and then tighten
the filter an additional 3/4 to 1 full turn.
7. Remove the vent plug on each transmission
and fill through the hydraulic tank, when oil
comes out of vent reinstall plug. Torque the
plugs to 180 in-lb (244 N
⋅
m).
8. Add oil until it reaches the cold line on the
hydraulic tank (Figure 51).
9. Raise the rear of machine up just enough
to allow the drive wheels to turn freely and
support it with jack stands.
Note:
Ensure there is proper ventilation
when running the machine. Do not run the
engine indoors or in an enclosed area without
proper ventilation. Ensure there is proper
ventilation when running the machine. Engine
exhaust contains carbon monoxide, which is
an odorless, deadly poison that can kill you.
10. Start the engine and move the throttle control
ahead to the 1/2 throttle position. Disengage
the parking brake.
11. With the bypass valve open and the engine
running, slowly move the directional control in
both forward and reverse 5 or 6 times.
12. With the bypass valve closed and the engine
running, slowly move the directional control
in both forward and reverse directions 5 to 6
times. Stop the engine and check the oil level,
and add oil as required to the hot line.
13. Repeat items 11 and 12 as necessary until all
the air is completely purged from the system.
When the transaxle operates at normal noise
levels and moves smoothly forward and reverse
at normal speeds, then the transaxle is purged.
Important:
Do not change hydraulic
system oil (except for what can be drained
when changing filter), unless it is felt the oil
has been contaminated or been extremely
hot. Changing the oil unnecessarily
could damage the hydraulic system by
introducing contaminates into the system.
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