Toro Multi Pro 1200 Service Manual page 137

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.
Removal (Fig. 39)
1. Park machine on a level surface, stop engine, en-
gage parking brake and remove key from the ignition
switch.
2. Label all spray control assembly hoses for proper
installation after repairs are completed. Loosen hose
clamps and disconnect hoses from spray control.
3. Label all wire harness leads for assembly purposes.
Disconnect wire harness connectors from regulating
valve, flowmeter and three (3) boom valve motors.
4. Remove pressure gauge tube from coupler on pres-
sure gauge port on right side of boom valve manifold as-
sembly (Fig. 40).
5. Support spray control assembly to prevent it from fal-
ling.
6. Remove eight (8) flange head screws, flat washers
and flange nuts that secure spray control assembly to
valve mount. Remove spray control assembly from ma-
chine.
IMPORTANT: Before removing flowmeter from
spray control assembly, note direction of arrow on
top of flowmeter (Fig. 41). The arrow should point to-
ward boom valve manifold assembly.
7. Separate spray control assembly as required using
Figure 39 as a guide. Discard all removed gaskets.
Installation (Fig. 39)
NOTE: Coat gaskets with vegetable oil before installa-
tion to reduce the chance of damage during assembly.
1. Assemble spray control using Figure 39 as a guide.
Replace all removed gaskets. Make sure that arrow on
flowmeter body points toward boom valve manifold as-
sembly (Fig. 41).
2. Position spray control assembly to valve mounting
bar and secure with eight (8) flange head screws, flat
washers and flange nuts.
3. Using labels placed during disassembly, install
hoses to correct locations on spray control assembly.
Secure hoses with hose clamps.
Multi Pro 1200/1250
4. Install pressure gauge tube to coupler on pressure
gauge port on right side of boom valve manifold assem-
bly (Fig. 40).
5. Using labels placed during disassembly, secure wire
harness connectors to regulating valve, flowmeter and
three (3) boom valve motors.
6. Operate spray system and check for leaks. Repair all
leaks before returning the sprayer to service.
3
1. Boom valve manifold
2. Flowmeter
NOTE ARROW
DIRECTION
FROM
REGULATING
VALVE
Page 6 - - 37
2
Figure 40
3. Regulating valve
4. Pressure gauge port
TO BOOM
VALVE
MANIFOLD
Figure 41
Spray System
1
4