Replacing The Motor Assembly; Replacing The Gears - Titan Performance Series Operating Manual

Repairs at the unit
11.4

Replacing the motor assembly

1. Open the relief valve, valve position PRIME (k circulation),
switch the unit OFF, and unplug the power cord.
2. Loosen and remove the two motor cover screws (1). Remove
the motor cover (2).
3. Loosen and remove the three belly pan screws (3). Remove
the belly pan (4).
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, section 11.7).
5. Remove the four control panel mounting screws (5). Pull back
the control panel (6) 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,
section 11.7).
7. Loosen and remove the four motor mounting screws (7).
8. Pull the motor (8) out of the pump housing.
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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. With the motor removed, inspect the gears in the pump
housing for damage or excessive wear. Replace the gears, if
necessary.
10. Install the new motor (8) into the pump housing.
11. Secure the motor with the four motor mounting screws (7) .
12. Reconnect the wires (refer to the electrical schematic, section
11.7).
13. Position the control panel (6)on the pump housing and secure
in position using the four control panel mounting screws (5).
14. Replace the belly pan (4). Secure with the three belly pan
screws (3).
15. Slide the motor cover over the motor (2). Secure the motor
cover with the two motor cover screws (1).
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11.5

Replacing the Gears

1. Open the relief valve, valve position PRIME (k circulation),
switch the unit OFF, and unplug the power cord.
2. Loosen and remove the two motor cover screws (1). Remove
the motor cover (2).
3. Loosen and remove the three belly pan screws (3). Remove
the belly pan (4).
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, section 11.7).
5. Remove the four control panel mounting screws (5). Pull back
the control panel (6) 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,
section 11.7).
7. Loosen and remove the four motor mounting screws (7).
8. Pull the motor (8) out of the pump housing.
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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 (9) for damage or
excessive wear. Replace if necessary.
11. Remove and inspect the gear and crank assembly (10) for
damage or excessive wear. Replace if necessary.
12. Reassemble the pump by reversing the above steps. During
reassembly, make sure the thrust washer (11) is in place.
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Refill the gear box in the pump housing with five
ounces of Lubriplate (P/N 314-171).
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Performance Series 560e
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