Lancaster 7-LXDAN-1B Installation, Operating And Service Manual page 27

Page 36 Page 36
CAUTION: Never perform service on an installed filter control valve unless pressure is fully relieved from
the filter system. Injury and/or flooding can occur.
When servicing the valve, water may leak from
When servicing the valve, water may leak from
When servicing the valve, water may leak
the valve. Water from the valve may create a slip the valve. Water from the valve may create a slip
from the valve. Water from the valve may
hazard. Clean up water spills.
hazard. Clean up water spills.
create a slip hazard. Clean up water spills.
Drive Assembly Drive Assembly
DRIVE ASSEMBLY (refer to pages 19&20 for diagrams):
Remove the valve cover to access the drive assembly.
Remove the valve cover to access the drive assembly. Remove the valve cover to access the drive assembly.
Disconnect the power source plug (black wire) from the PC board prior to disconnecting the motor or water meter plugs
from the PC board. The power source plug connects to the four-pin jack. The motor plug connects to the two-pin jack on
Disconnect the power source plug (black wire) from the PC board prior to disconnecting the motor or water meter plugs from the Disconnect the power source plug (black wire) from the PC board prior to disconnecting the motor or water meter plugs from the
PC board. The power source plug connects to the four-pin jack. The motor plug connects to the two-pin jack on the left-hand side of PC board. The power source plug connects to the four-pin jack. The motor plug connects to the two-pin jack on the left-hand side of the left-hand side of the PC board. The water meter plug (gray wire) connects to the three-pin jack on the far right-hand
the PC board. The water meter plug (gray wire) connects to the three-pin jack on the far right-hand side of the PC board. side of the PC board.
the PC board. The water meter plug (gray wire) connects to the three-pin jack on the far right-hand side of the PC board.
The PC board can be removed separately from the drive bracket but it is not recommended. Do not attempt to remove the
The PC board can be removed separately from the drive bracket but it is not recommended. Do not attempt to remove the display
The PC board can be removed separately from the drive bracket but it is not recommended. Do not attempt to remove the display
display panel from the PC board. Handle the board by the edges. To remove the PC board from the drive bracket, unplug
panel from the PC board. Handle the board by the edges. To remove the PC board from the drive bracket, unplug the power, water panel from the PC board. Handle the board by the edges. To remove the PC board from the drive bracket, unplug the power, water
the power, water meter and motor plugs from the PC board. Lift the middle latch along the top of the drive bracket while
meter and motor plugs from the PC board. Lift the middle latch along the top of the drive bracket while pulling outward on the top meter and motor plugs from the PC board. Lift the middle latch along the top of the drive bracket while pulling outward on the top
pulling outward on the top of the PC board. The drive bracket has two plastic pins that fit into the holes on the lower edge
of the PC board. The drive bracket has two plastic pins that  t into the holes on the lower edge of the PC board. Once the PC board
of the PC board. The drive bracket has two plastic pins that  t into the holes on the lower edge of the PC board. Once the PC board
of the PC board. Once the PC board is tilted about 45° from the drive bracket it can be lifted off of these pins. To reinstall
is tilted about 45° from the drive bracket it can be lifted off of these pins. To reinstall the PC board, position the lower edge of the is tilted about 45° from the drive bracket it can be lifted off of these pins. To reinstall the PC board, position the lower edge of the
the PC board, position the lower edge of the PC board so that the holes in the PC board line up with the plastic pins. Push
PC board so that the holes in the PC board line up with the plastic pins. Push the top of the PC board towards the valve until it snaps
PC board so that the holes in the PC board line up with the plastic pins. Push the top of the PC board towards the valve until it snaps
the top of the PC board towards the valve until it snaps under the middle latch, weave the power and water meter wires
under the middle latch, weave the power and water meter wires into the holders and reconnect the motor, water meter and power under the middle latch, weave the power and water meter wires into the holders and reconnect the motor, water meter and power
into the holders and reconnect the motor, water meter and power plugs.
plugs. plugs.
The drive bracket must be removed to access the drive cap assembly and pistons or the drive gear cover. It is not
necessary to remove the PC board from the drive bracket to remove the drive bracket. To remove the drive bracket start
The drive bracket must be removed to access the drive cap assembly and pistons or the drive gear cover. It is not necessary to The drive bracket must be removed to access the drive cap assembly and pistons or the drive gear cover. It is not necessary to
by removing the plugs for the power source and the water meter. Unweave the wires from the side holders. Two tabs on
remove the PC board from the drive bracket to remove the drive bracket. To remove the drive bracket start by removing the plugs
remove the PC board from the drive bracket to remove the drive bracket. To remove the drive bracket start by removing the plugs
the top of the drive back plate hold the drive bracket in place. Simultaneously lift the two tabs and gently ease the top of
for the power source and the water meter. Unweave the wires from the side holders. Two tabs on the top of the drive back plate for the power source and the water meter. Unweave the wires from the side holders. Two tabs on the top of the drive back plate
the drive bracket forward. The lower edge of the drive bracket has two notches that rest on the drive back plate. Lift up
hold the drive bracket in place. Simultaneously lift the two tabs and gently ease the top of the drive bracket forward. The lower hold the drive bracket in place. Simultaneously lift the two tabs and gently ease the top of the drive bracket forward. The lower
and outward on the drive bracket to disengage the notches.
edge of the drive bracket has two notches that rest on the drive back plate. Lift up and outward on the drive bracket to disengage the edge of the drive bracket has two notches that rest on the drive back plate. Lift up and outward on the drive bracket to disengage the
notches. notches.
To reassemble, seat the bottom of the drive bracket so the notches are engaged at the bottom of the drive back plate.
Push the top of the drive bracket toward the two latches. The drive bracket may have to be lifted slightly to let the
To reassemble, seat the bottom of the drive bracket so the notches are engaged at the bottom of the drive back plate. Push the top of To reassemble, seat the bottom of the drive bracket so the notches are engaged at the bottom of the drive back plate. Push the top of
threaded piston rod pass through the hole in the drive bracket. Maintain a slight engaging force on top of the drive bracket
the drive bracket toward the two latches. The drive bracket may have to be lifted slightly to let the threaded piston rod pass through the drive bracket toward the two latches. The drive bracket may have to be lifted slightly to let the threaded piston rod pass through
while deflecting the bracket slightly to the left by pressing on the side of the upper right corner. This helps the drive gears
the hole in the drive bracket. Maintain a slight engaging force on top of the drive bracket while de ecting the bracket slightly to the the hole in the drive bracket. Maintain a slight engaging force on top of the drive bracket while de ecting the bracket slightly to the
mesh with the drive cap assembly. The drive bracket is properly seated when it snaps under the latches on the drive back
left by pressing on the side of the upper right corner. This helps the drive gears mesh with the drive cap assembly. The drive bracket left by pressing on the side of the upper right corner. This helps the drive gears mesh with the drive cap assembly. The drive bracket
plate. If resistance is felt before latching, then notches are not fully engaged, the piston rod is not in hole, the wires are
is properly seated when it snaps under the latches on the drive back plate. If resistance is felt before latching, then notches are not
is properly seated when it snaps under the latches on the drive back plate. If resistance is felt before latching, then notches are not
jammed between the drive bracket and drive back plate, or the gear is not engaging the drive cap assembly.
fully engaged, the piston rod is not in hole, the wires are jammed between the drive bracket and drive back plate, or the gear is not fully engaged, the piston rod is not in hole, the wires are jammed between the drive bracket and drive back plate, or the gear is not
To inspect the drive gears, the drive gear cover needs to be removed. Before trying to remove the gear cover, the drive
engaging the drive cap assembly.
engaging the drive cap assembly.
bracket must be removed from the drive back plate. (Refer to the instructions above regarding removing the drive bracket
from the drive back plate. The drive gear cover can be removed from the drive bracket without removing the motor or the
To inspect the drive gears, the drive gear cover needs to be removed. Before trying to remove the gear cover, the drive bracket must To inspect the drive gears, the drive gear cover needs to be removed. Before trying to remove the gear cover, the drive bracket must
PC board.) The drive gear cover is held in place on the drive bracket by three clips. The largest of the three clips is always
be removed from the drive back plate. (Refer to the instructions above regarding removing the drive bracket from the drive back
be removed from the drive back plate. (Refer to the instructions above regarding removing the drive bracket from the drive back
orientated to the bottom of the drive bracket. With the PC board facing up, push in and down on the large clip on the drive
plate. The drive gear cover can be removed from the drive bracket without removing the motor or the PC board.) The drive gear plate. The drive gear cover can be removed from the drive bracket without removing the motor or the PC board.) The drive gear
gear cover. Handle the cover and the gears carefully so that the gears do not fall off the pegs in the cover. Continue to
cover is held in place on the drive bracket by three clips. The largest of the three clips is always orientated to the bottom of the drive
cover is held in place on the drive bracket by three clips. The largest of the three clips is always orientated to the bottom of the drive
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bracket. With the PC board facing up, push in and down on the large clip on the drive gear cover. Handle the cover and the gears bracket. With the PC board facing up, push in and down on the large clip on the drive gear cover. Handle the cover and the gears
carefully so that the gears do not fall off the pegs in the cover. carefully so that the gears do not fall off the pegs in the cover.
Replace broken or damaged drive gears. Do not lubricate any of the gears. Avoid getting any foreign matter on the re ective coating Replace broken or damaged drive gears. Do not lubricate any of the gears. Avoid getting any foreign matter on the re ective coating
because dirt or oils may interfere with pulse counting.
because dirt or oils may interfere with pulse counting.
The drive gear cover only  ts on one way, with the large clip orientated towards the bottom. If all three clips are outside of the gear The drive gear cover only  ts on one way, with the large clip orientated towards the bottom. If all three clips are outside of the gear
shroud on the drive bracket the drive gear cover slips easily into place.
shroud on the drive bracket the drive gear cover slips easily into place.
The drive bracket does not need to be removed from the drive plate if the motor needs to be removed. To remove the motor,
The drive bracket does not need to be removed from the drive plate if the motor needs to be removed. To remove the motor,
disconnect the power and motor plugs from the jacks on the PC board. Move the spring clip loop to the right and hold. Rotate the disconnect the power and motor plugs from the jacks on the PC board. Move the spring clip loop to the right and hold. Rotate the
motor at least a ¼ turn in either direction so the wires are vertical (up & down) before gently pulling on the wire connectors to motor at least a ¼ turn in either direction so the wires are vertical (up & down) before gently pulling on the wire connectors to
remove the motor. Pulling directly on the wires without rotating the motor may break the wires off the motor.
remove the motor. Pulling directly on the wires without rotating the motor may break the wires off the motor.
CONTROL VALVE SERVICE INSTRUCTIONS
Service Instructions Service Instructions
WS1 & WS1.25 Drawings and Service Manual WS1 & WS1.25 Drawings and Service Manual
Disconnect from electrical power prior to
Disconnect from electrical power prior to
Disconnect from electrical power prior to
servicing the valve. servicing the valve.
servicing the valve.
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