Removal and Inspection (Fig. 38)
IMPORTANT: Make sure to remove and neutralize
chemicals from spray components before disas-
sembly. Wear protective clothing, chemical resist-
ant gloves, and eye protection during repair.
1
2
1.
gage parking brake, and remove key from the ignition
switch.
Park machine on a level surface, stop engine, en-
2.
Loosen and remove nut that secures flow sensor to
flowmeter housing. Carefully remove flow sensor from
housing.
3.
quired (see Operator’s Manual).
Clean rotor, rotor shaft, and flowmeter sensor if re-
Figure 39
1.
Rotor shaft
2.
Rotor
4
4.
With the flow sensor harness connected to the ma-
chine and the ignition key in the ON position, slowly spin
the flowmeter rotor. The flowmeter LED should illumi-
nate as a rotor magnet passes the flow sensor and
should go out as the next magnet passes the sensor.
3
1
5
2
NOTE: When using a magnet to check the flowmeter,
make sure to alternately use both north and south poles
of the magnet.
5.
If the flowmeter LED does not flash, remove rotor
and rotor shaft from sensor. With the flowmeter harness
connected to the machine and the ignition key in the ON
position, slowly pass alternate poles of a magnet past
the flow sensor. If the flowmeter LED flashes as the
magnet poles pass the sensor, replace the rotor and ro-
tor shaft. If the flowmeter LED does not flash as the mag-
net poles pass the sensor, replace the flow sensor.
Figure 40
1.
2.
3.
Rate control motor
Flowmeter
LH boom valve motor
4.
5.
Center boom valve motor
RH boom valve motor
6.
If necessary, remove flowmeter housing using Fig-
ures 38 and 40 as guides (also see Spray Control (Multi
Pro 1250) in this section). Discard all removed o–rings
and gaskets.
Assembly (Fig. 38)
NOTE: Coat all o–rings with vegetable oil before instal-
lation to reduce the chance of damage during assembly.
NOTE: When installing flow sensor into housing, make
sure to align locating pin on sensor flange with hole in
housing.
1.
Reassemble flowmeter using Figures 38 and 40 as
guides. Replace all removed o–rings and gaskets.
2.
Operate spray system and check for leaks.
Multi Pro 1200/1250
Spray System
Page 6 – 37
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Multi Pro 1200, Toro Multi Pro 1250 |
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|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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