Impact 440
11.6
replAcINg The TrANSDucer
The following procedure must only be performed
i
by a Titan Authorized Service Center.
1. Loosen and remove the four front cover screws (1).
Remove the front cover (2).
2. Stop the sprayer at the bottom of its stroke so that the
piston is in its lowest position.
3. Open the relief valve, valve position PRIME (k
circulation). Switch the unit OFF. Unplug the power plug
from the outlet.
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 (3).
6. Pull the pump block (4) down approximately 1/2" from the
pump housing to clear the transducer (5).
7. Slide the pump block (4) and piston rod forward until the
piston rod is out of the T-slot (6) on the slider assembly.
8. Carefully pull the transducer wire out of the pump
housing (7) 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 (5) from
the pump block (4).
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.
2
1
5
repairs at the unit
7
6
4
3
25