Pump Maintenance; Inspecting The Pump; Adjusting The Actuators - Toro 41393 Operator's Manual

Pump Maintenance

Inspecting the Pump

Service Interval: Every 400 hours/Yearly (whichever
comes first)—Inspect the pump
diaphragm and replace if necessary.
(see an Authorized Toro Service
Distributor).
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-valve 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
96).
Figure 96
1. Actuator
2. Actuator rod
3. Boom-pivot-pin housing
(Figure
g013780
4. Cotter
5. Pin
3. Lift up on the boom, remove the pin, and slowly
lower the boom to the ground
Note:
Inspect the pin for any damage, and
replace if necessary.
4. Use a wrench on the flat sides of the actuator
rod to immobilize it, then loosen the jam nut to
manipulate the eyelet rod
1. Flat side on the actuator
rod
2. Jam nut
3. Eyelet
4. Jam nut (loosened)
5. Turn the eyelet rod in the actuator rod to shorten
or lengthen the extended actuator to the desired
position (Figure
Note:
Turn the eyelet rod in half or complete
revolutions to allow the assembly of the rod to
the boom.
6. With the eyelet rod in the desired position,
tighten the jam nut to secure the actuator and
eyelet rod.
7. Raise the boom to align the pivot with the
actuator rod.
8. While holding the boom, insert the pin through
the boom pivot and actuator rod
9. With the pin in place, release the boom
and secure the pin with the cotter removed
previously.
10. Repeat the procedure for each actuator rod
bearing if necessary.
75
(Figure 96).
(Figure 97).
Figure 97
5. Eyelet (adjusted)
6. Eyelet position for
reassembly
7. Jam nut tightened to lock
new position
97).
(Figure
g014220
96).