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Changing the Pressure Filter
Service Interval: Every 400 hours
1. Move the machine to a level surface, shut off the
sprayer pump, shut off the engine, and remove the key
from the starter switch.
2. Align a drain pan under the pressure filter
1. Filter head
2. O-ring (bowl)
3. Filter element
3. Rotate the drain plug counterclockwise and remove it
from the bowl of the pressure filter
Note: Allow the bowl to drain completely.
4. Rotate the bowl counterclockwise and remove it filter
head
(Figure
73).
5. Remove the old pressure filter element
Note: Discard the old filter.
6. Check the O-ring for the drain plug (located inside the
bowl) and the O-ring for bowl (located inside the filter
head) for damage and wear
Note: Replace any damaged or worn O-rings for the
plug, bowl, or both.
7. Install the new pressure filter element into the filter
head
(Figure
73).
Note: Ensure that the filter element is firmly seated
into the filter head.
8. Install the bowl onto the filter head hand tight
73).
9. Install the plug into the bowl hand tight
(Figure
Figure 73
4. Bowl
5. O-ring (drain plug)
6. Drain plug
(Figure
73).
(Figure
(Figure
73).
(Figure
Pump Maintenance
Inspecting the Pump
Service Interval: Every 400 hours/Yearly (whichever comes
73).
Every 400 hours/Yearly (whichever comes
first)—Inspect the pump check valves and replace
if necessary (see an Authorized Toro Service
Distributor).
Note: The following machine components are considered
parts subject to consumption through use unless found
defective and are not covered by the Warranty associated with
this machine.
Have an Authorized Toro Service Distributor check following
internal pump components for damage:
•
Pump diaphragm
•
Pump check valves assemblies
Replace any components if necessary.
Adjusting the Actuators
The following procedure can be used to adjust the length of
the actuator rods.
1. Extend the booms to the spray position.
2. Remove the cotter pin from the pivot pin
73).
1. Actuator
(Figure
2. Actuator rod
3. Boom-pivot-pin housing
73).
3. Lift up on the boom and remove the pin
Slowly lower the boom to the ground.
4. Inspect the pin for any damage, replace if necessary.
57
first)—Inspect the pump diaphragm and
replace if necessary (see an Authorized
Toro Service Distributor).
1
4
2
G013780
Figure 74
4. Cotter
5. Pin
(Figure
74).
5
3
(Figure
74).
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