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Replacing the Filters
Pump Filter
1. Loosen and remove the filter housing by hand.
2. Slip the filter off of the filter support spring.
3. Inspect the filter. Based on inspection, clean or replace
the filter.
4. Inspect the o-ring. Based on inspection, clean or replace
the o-ring.
5. Slide the new or cleaned filter over the filter support
spring with the adapter in place. Push the filter into the
center of the pump block.
6. Slide the filter housing over the filter and thread it into the
pump block until secure.
NOTE: The filter housing should be hand-tightened,
but make sure the filter housing is seated fully
into the pump block.
Adapter
Filter Support Spring
O-Ring
Pump Block
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.
NOTE: Left-handed threads require turning the filter
clockwise to remove.
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.
Gun Body
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).
English
Filter Housing
Filter Spring
Filter
Handle Seal
Filter
Handle
Replacing the Motor
1. Unplug the unit.
2. Loosen and remove the four motor cover screws.
Remove the motor cover.
3. Disconnect the black and red wires coming from the pump
housing. Disconnect the black and red wires from the
capacitors. Disconnect the black and red wires from the
motor.
4. Remove the capacitors from their mounting clip.
5. Loosen and remove the four motor mounting screws.
6. 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 connecting rod.
7. With the motor removed, inspect the gears in the pump
housing for damage or excessive wear. Replace the
gears, if necessary.
8. Install the new motor into the pump housing.
NOTE: Rotate the motor fan manually until the
armature gear engages with the mating gear in
the pump housing.
9. Secure the motor with the four motor mounting screws.
10. Push the capacitors into their clip on the new motor.
11. Reconnect the wires (refer to the electrical schematic in
the Parts List section of this manual).
12. Slide the motor cover over the motor. Secure the motor
cover with the four motor cover screws.
Pump Housing
Motor
Capacitors
Shroud
Shroud Screw
Replacing the Motor Brushes
Perform this procedure using Motor Brush Kit P/N 704-276.
1. Loosen and remove the four motor cover screws.
Remove the motor cover.
2. Loosen and remove the two shroud screws. Remove the
shroud.
3. Using a small screwdriver, pry off the two plastic brush
covers.
4. Disconnect the black and red wires from the motor
brushes. Remove the motor brushes.
5. Install the new motor brushes and snap on the plastic
brush covers.
6. Reconnect the black and red wires from the motor
brushes (refer to the electrical schematic in the Parts List
section of this manual).
7. Position the shroud over the motor fan. Secure the
shroud with the two shroud screws.
8. Slide the motor cover over the motor. Secure the motor
cover with the four motor cover screws.
8
Motor Mounting Screw
Brush Cover
Motor Cover
Motor Cover Screw
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