18. Insert the elbow on the suction set into the bottom of the
foot valve. Position the retaining clip into the foot valve to
secure the suction set assembly.
19. Thread the return hose into the pump block and tighten
securely.
20. Place the front cover on the pump housing and secure in
position using the four front cover screws.
21. Turn on the sprayer by following the procedure in the
“Operation” section of this manual and check for leaks.
Replacing the Transducer
1. Loosen and remove the four front cover screws. Remove
the front cover.
2. Stop the sprayer at the top of its stroke so that the piston
is in its highest position. Turn off and unplug the pump.
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 3/8” and 5/32” hex wrenches, loosen and remove
the three 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. Using a wrench, loosen and remove the transducer
fromthe bottom of the main assembly housing.
8. Thread the new transducer into the main assembly
housing. Tighten securely.
9. Reassemble the pump by reversing steps 1–6.
T-Slot
Pump
Housing
Pump Block
Gasket
Transducer
Front Cover
NOTE: Make sure the o-ring is in position on the
transducer before threading it into the main
assembly housing. Also, make sure the
gasket is in position in the pump block.
WARNING
NOTE: Repacking kit P/N 704-113 is available. For
best results use all parts supplied in this kit.
Replacing the Filters
Pump Filter
1. Loosen and remove the filter housing.
2. Turning clockwise, unscrew the filter from the pump block.
3. Inspect the seal. Based on inspection, clean or replace
the seal.
4. Turning counterclockwise, thread the new or cleaned filter
into the pump block.
5. Slide the filter housing over the filter and thread it into the
pump block until secure.
Gun Filter
1. Move the gun trigger lock to the unlocked position.
2. Loosen and remove the handle from the gun body.
3. Turning clockwise, unscrew the filter from the gun body.
4. Turning counterclockwise, screw the new or cleaned filter
into the gun body.
5. Make sure the handle seal is in position and thread the
handle into the gun body until secure.
6. Move the gun trigger lock to the locked position.
NOTE: For more detail, part number information, and
assembly drawings at larger scale, please see
the LX -80 Professional Airless Gun Owner's
Manual (#313-012).
Gun Body
Handle Seal
Filter
Handle
NOTE: Left-handed threads require turning the filter
clockwise to remove. If the filter breaks off in
the pump block, use a small wood screw to
remove.
Pump Block
Seal
Filter
Filter Housing
NOTE: Left-handed threads require turning the filter
clockwise to remove. If the filter breaks off in
the pump block, use a small wood screw to
remove.
© Titan Tool Inc. All rights reserved.
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