Replacing The Gears; Replacing The Transducer - Titan 805-000 Service Manual

Replacing the Gears

1. Perform the Pressure Relief Procedure and unplug the sprayer.
2. Loosen and remove the two motor cover screws. Remove the
motor cover.
3. Loosen and remove the three belly pan screws. Remove the
belly pan.
4. On the back of the motor, disconnect the wire coming from
the potentiometer and the wire coming from the transducer.
Also, disconnect the two wires coming from the control panel
board (refer to the electrical schematic in the Parts List section
of this manual).
5. Remove the four control panel mounting screws. Pull back
the control panel for access to the control panel board.
6. At the the control panel board, disconnect the two wires
coming from the motor (refer to the electrical schematic in the
Parts List section of this manual).
7. Loosen and remove the four motor mounting screws.
8. Pull the motor out of the pump housing.
NOTE: If the motor will not dislodge from the pump
housing:
• Remove the front cover plate.
• Using a rubber mallet, carefully tap on the front
of the motor crankshaft that extends through the
slider assembly.
9. Inspect the armature gear on the end of the motor for
damage or excessive wear. If this gear is completely worn out,
replace the entire motor.
10. Remove and inspect the 2nd stage gear for damage or
excessive wear. Replace if necessary.
11. Remove and inspect the gear and crank assembly for damage
or excessive wear. Replace if necessary.
12. Reassemble the pump by reversing the above steps. During
reassembly, make sure the thrust washer is in place.
NOTE: Refill the gear box in the pump housing with five
ounces of Lubriplate (P/N 314-171).
Motor cover
Control panel
mounting screw
Control panel
Front cover
Front cover screw
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Replacing the Transducer

10. Thread the new transducer assembly into the pump block.
11. Plug the new transducer wire into the transducer jumper
12. Reassemble the pump by reversing steps 1–7.
Motor
mounting
screw
Motor
screw
2nd stage
gear
Gear and
crankshaft
Thrust
washer
Motor
cover
screw
Belly pan
Belly pan
screw
5
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.
Tighten securely with a wrench.
(refer to the electrical schematic in the Parts List section of this
manual).
Front
cover
Front
cover
Transducer
assembly
Pump
housing
T-slot
Pump
block
Pump
block
mounting
screw
English