20
repairs at the unit
Impact 400
11.4
replAcINg The moTor
i
The following procedure must only be performed
by a Titan Authorized Service Center.
1. Open the relief valve, valve position PRIME (
k
circulation). Switch the unit OFF. Unplug the power plug
from the outlet.
2. Loosen and remove the four motor cover screws (1).
Remove the motor cover (2).
i
The ON / OFF switch (3) is housed inside the
motor cover. In order to remove the motor cover
completely, you must disconnect all of the wires
at the rear of the switch. Note the position of the
wires before disconnecting.
3. On the back of the motor (4), disconnect the two wires
(black and red) coming from the circuit board (5). Remove
the ground wire from the motor housing.
4. Slide the motor baffle (7) off the rear of the motor.
5. Loosen and remove the four motor mounting screws (8).
6. Pull the motor (4) out of the pump housing (9).
7. With the motor removed, inspect the gears in the pump
housing (9) for damage or excessive wear. Replace the
gears, if necessary.
8. Install the new motor (4) into the pump housing (9).
9. Secure the motor with the four motor mounting screws
(8).
10. Reconnect the wires (Refer to the Connection Diagram,
section 11.9).
11. Slide the motor baffle (7) onto the rear of the motor. The
arrows on the baffle should be pointed up.
12. Slide the motor cover (2) over the motor. Secure the motor
cover with the four motor cover screws (1).
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3
2
8
5
9
6
4
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