Toro Field Pro 6040 Service Manual page 164

Servicing the Cartridge Valves (continued)
Hydraulic System: Service and Repairs
While energized, flush out any contamination with a nonflammable
aerosol brake cleaner. De-energize the solenoid. Repeat the flush
while energized procedure 5 or 6 times. Remove the solenoid from the
cartridge.
8. Install the cartridge valve:
A. Lubricate the new O-rings and the backup rings of the seal kit with clean
hydraulic fluid and install them on the cartridge valve. The O-rings and the
backup rings must be arranged correctly on the cartridge valve for proper
operation and sealing; refer to notes taken during the seal removal.
Use care when installing the cartridge valve. Slight bending or
distortion of the stem tube can cause binding and malfunction.
Make sure that deep well socket fully engages the valve base.
B. Lubricate the threads on the cartridge valve with clean hydraulic fluid.
Thread the cartridge valve carefully into the correct manifold port. The
valve should thread in easily without binding.
C. Tighten the cartridge valve using a deep well socket to the specified
torque; refer to
D. For solenoid valves, slide the solenoid coil onto the cartridge valve.
Tighten the coil nut to the specified torque; refer to
9. If a problem still exists, remove the valve and clean it again or replace the
valve.
IMPORTANT
Figure 64.
Page 5–98
Figure 64.
Field Pro® 6040
22267SL Rev A