Replacing The Transducer; Replacing The Prime/Spray Valve; Servicing The Fluid Section - Titan MultiFinish 440 Owner's Manual

Replacing the Transducer

1. Loosen and remove the four front cover screws. Remove
the front cover.
2. Stop the sprayer at the bottom of its stroke so that the
piston is in its lowest position.
3. Perform the Pressure Relief Procedure and unplug the
sprayer.
Before proceeding, follow the Pressure Relief
Procedure outlined previously in this manual.
additionally, follow all other warnings to reduce
the risk of an injection injury, injury from moving
parts or electric shock. always unplug the sprayer
before servicing!
4. Tilt the pump back for easy access to the fluid section.
5. Using a 3/8" hex wrench, loosen and remove the two
pump block mounting screws.
6. Pull the pump block down approximately 1/2" from the
pump housing to clear the transducer.
7. Slide the pump block and piston rod forward until the
piston rod is out of the T-slot on the slider assembly.
8. Carefully pull the transducer wire out of the pump housing
until the connection to the transducer jumper is exposed.
Unplug the wire from the transducer jumper (refer to
the electrical schematic in the Parts List section of this
manual).
9. Using a wrench, remove the transducer assembly from the
pump block.
10. Thread the new transducer assembly into the pump block.
Tighten securely with a wrench.
11. Plug the new transducer wire into the transducer jumper
(refer to the electrical schematic in the Parts List section of
this manual).
12. Reassemble the pump by reversing steps 1–7.
Front
cover
Front
cover
screw
Transducer
assembly
English

Replacing the PRIME/SPRay valve

Perform the following procedure using PRIME/SPRAY valve
replacement kit P/N 700-258.
1. Push the groove pin out of the valve handle.
2. Remove the valve handle and the cam base.
3. Using a wrench, loosen and remove the valve housing
assembly.
4. Make sure the gasket is in place and thread the new valve
housing assembly into the pump block. Tighten securely
with wrench.
5. Place the cam base over the valve housing assembly.
Lubricate the cam base with grease and line up the cam
with the pump block.
6. Line up the hole on the valve stem with the hole in the
valve handle.
7. Insert the groove pin into the valve handle and through the
valve stem to secure the valve handle in position.

Servicing the Fluid Section

Use the following procedures to service the valves and repack
the fluid section. Perform the following steps before performing
any maintenance on the fluid section.
1. Loosen and remove the four front cover screws. Remove
the front cover.
2. Stop the sprayer at the bottom of its stroke so that the
piston is in its lowest position.
3. Perform the Pressure Relief Procedure and unplug the
sprayer.
Before proceeding, follow the Pressure Relief
Procedure outlined previously in this manual.
Pump
additionally, follow all other warnings to reduce
housing
the risk of an injection injury, injury from moving
parts or electric shock. always unplug the sprayer
before servicing!
4. Unscrew the return hose assembly from the pump block.
T-slot
Remove the retaining clip from the bottom of the foot valve
housing. Remove the siphon assembly.
Pump
5. Tilt the sprayer back for easy access to the fluid section.
block
Pump
block
mounting
screw
10
Pump block
Gasket
Valve stem
Cam base
Valve housing
assembly
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Valve
handle
Groove pin