Sprayer System Maintenance; Inspecting The Hoses; Changing The Pressure Filter - Toro 41594 Operator's Manual

Sprayer System
Maintenance
WARNING
Chemical substances used in the spray system may
be hazardous and toxic to you, bystanders, animals,
plants, soils or other property.
• Carefully read and follow the chemical
warning labels and Material Safety Data
Sheets (MSDS) for all chemicals used and
protect yourself according to the chemical
manufacturer's recommendations. For example,
use appropriate Personal Protective Equipment
(PPE) including face and eye protection, gloves,
or other equipment to guard against personal
contact with the chemical.
• Keep in mind that there may be more than one
chemical used and information on each should
be assessed.
• Refuse to operate or work on the sprayer if this
information is not available!
• Before working on a spray system make sure the
system has been triple rinsed and neutralized
according to the recommendations of the
chemical manufacturer(s) and all of the valves
have been cycled three times.
• Verify there is an adequate supply of clean water
and soap nearby, and immediately wash off any
chemicals that contact you.

Inspecting the Hoses

Service Interval: Every 200 hours—Inspect all hoses and
connections for damage and proper
attachment.
Every 400 hours/Yearly (whichever comes
first)—Inspect the O-rings in the valve assemblies.
Replace the O-rings if necessary
Examine each hose in the spray system for cracks, leaks or
other damage. At the same time, inspect the connections and
fittings for similar damage. Replace any hoses and fittings if
damaged.

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 78).
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 78).
Note: Ensure that the filter element is firmly seated
into the filter head.
8. Install the bowl onto the filter head hand tight
78).
9. Install the plug into the bowl hand tight
58
(Figure
Figure 78
4. Bowl
5. O-ring (drain plug)
6. Drain plug
(Figure 78).
(Figure
(Figure 78).
(Figure
78).
78).
(Figure
78).