Replacing The Transducer; Replacing The Prime/Spray Valve - Titan 640i Manuel D'utilisation

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. Turn off and unplug the
sprayer.
WARNING
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!
3. Tilt the pump back for easy access to the fluid section.
4. Using a 3/8" hex wrench, loosen and remove the two
pump block mounting screws.
5. Pull the pump block down approximately 1/2" from the
pump housing to clear the transducer.
6. Slide the pump block and piston rod forward until the
piston rod is out of the T-slot on the connecting rod.
7. Loosen and remove the four electronic pressure control
(EPC) mounting screws.
8. Pull back the EPC for access to the transducer plug-in.
9. Unplug the transducer connection from EPC board
location "JP3" (refer to the electrical schematic in the
Parts List section of this manual).
10. Using an 1/8" hex wrench, loosen and remove the set
screw from the bottom of the pump housing.
11. Slide the transducer assembly out of the bottom of the
pump housing.
12. Install the new transducer assembly into the pump
housing.
13. Thread the set screw into the pump housing and tighten
securely.
14. Plug the transducer connection into the EPC board at
location "JP3" (refer to the electrical schematic in the
Parts List section of this manual).
15. Reassemble the pump by reversing steps 1–8.
CAUTION
Make sure the transducer is aligned properly with the hole
in the pump block during reassembly. Improper alignment
may cause damage to the transducer gasket.
© Titan Tool Inc. All rights reserved.
Electronic
Pressure
Control
(EPC)
EPC
Mounting
Screw
Front
Cover
Front
Cover
Screw
Set Screw
Transducer
Assembly

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.
Pump Block
Valve Housing
Assembly
9
Pump
Housing
T-Slot
Pump
Block
Pump
Block
Mounting
Screw
Gasket
Valve Stem
Cam Base
Valve
Handle
Groove Pin
English