Toro Multi Pro 1750 Service Manual page 197

Removal (Fig. 11)
IMPORTANT: Make sure to remove and neutralize
chemicals from spray components before removing
the spray control manifold assembly. Wear protec-
tive clothing, chemical resistant gloves and eye
protection during repair.
1. Park machine on a level surface, stop spray pump,
stop engine and engage parking brake. Remove key
from ignition switch.
2. Label all spray control manifold assembly hoses for
proper installation. Disconnect hoses from spray control
manifold.
3. Label all spray control manifold wire harness leads
for proper installation. Disconnect wire harness connec-
tors from valve actuators.
4. Support spray control manifold assembly and re-
move four (4) flange head screws (item 4) and flange
nuts that secure manifold assembly to mounting brack-
et. Remove spray control manifold assembly from ma-
chine.
5. Remove bypass valve from agitation valve. The by-
pass valve is not repairable. Replace bypass valve if
necessary.
6. Disassemble spray control manifold as needed. Dis-
card any removed O−rings and gaskets.
NOTE: See Spray Valve Service (Serial Number Below
315000000) in this chapter for disassembly and assem-
bly information of the valves and valve actuators (items
5, 6 and 7).
Multi Pro 1750
Installation (Fig. 11)
NOTE: Replace, do not reuse O−rings. Coat O−rings
with vegetable oil before installation to reduce damage
during assembly.
1. If spray control manifold was disassembled, install
new O−rings prior to assembly.
2. Install new O−rings and install bypass valve.
3. Secure spray control manifold assembly with four (4)
flange head screws (item 4) and flange nuts.
4. Using labels placed during removal, install hoses to
manifold assembly.
5. Using labels placed during removal, install wire har-
ness connectors to valve actuators.
6. Operate spray system and check for leaks. Repair all
leaks before returning the sprayer to service.
Page 6 − 23 Spray System