1400 / 1425 LITTLE GREEN

EXTERNAL TROUBLESHOOTING – 14251

NO FLOW

1. Check Solution Bottle by depressing the piston to see if water will flow out. Check that o-ring is present.

   ? Image showing the solution bottle with an arrow pointing to the piston labeled 'Depress piston'. Another image shows the bottle cap area with an arrow pointing to the 'O-ring'.

2. Check Receiver for debris.

   ? Image of the receiver tank interior with an arrow pointing to potential debris.

CONTINUED TROUBLESHOOTING

3. Fill solution tank ½ full and test for flow.
4. Remove Trigger Valve Assembly cover on grip and check for clogged hose.

   ? Two images showing the trigger valve assembly. The first shows two screws labeled '[2 screws]'. The second shows the internal components with a label 'Check for clogs'.

NO SUCTION / UNIT LEAKING

5. Remove Recovery Tank and check for proper installation of duck bill valve.
6. Check to make sure gasket is in place to receive Recovery Tank.

   ? Three images illustrating the duck bill valve. The first shows the 'Duck Bill valve' in the tank. The second shows 'Installing duck bill valve'. The third shows the 'Gasket' in place.

ACCESSING THE HEATER TO REPLACE OR CLEAN – 14251

1. Remove [2 screws] from the LH side of the unit – under Solution Tank and remove [2 screws] from the RH side of the unit – under the Recovery Tank.

   ? Three images. The first shows screws on the left side labeled '[2 screws LH side]'. The second shows screws on the right side labeled '[2 screws RH side]'. The third image shows the cover being carefully removed, with a note 'Carefully remove cover so wires stay intact'.

2. Remove [4 screws] from heater box cover plate.
3. Check tubes for clogs.
4. Remove Heater and blow out to clear possible debris.

   ? Two images. The first shows the heater box cover with an arrow pointing to '[4 screws]'. The second shows the internal components with an arrow pointing to 'Check tubes for clogs'.

5. To access heater cavity remove [4 screws] on bottom plate.

   ? Two images. The first shows the bottom plate with an arrow pointing to '[4 screws]'. The second shows the heater cavity with an arrow pointing to 'Heater cavity – check for debris'.

PUMP ACCESS

1. Remove [2] Heater Housing screws to access pump.

   ? Two images. The first shows the pump area with an arrow pointing to '[2 screws]'. The second shows the pump itself labeled 'Pump'.

2. To remove the pump you must break the glue bond on the tube connection going to the Receiver. Twist back and forth to release tube from connector. Use screw driver to depress tab to release pump so it can be slid forward and out of its retaining slot.

   ? Two images. The first shows a screwdriver depressing a tab labeled 'Push down on tab to release pump'. The second shows glue being applied labeled 'Apply glue before reassembly', and a twisting motion labeled 'Twist to break glue bond'.

3. After the pump is installed and you are ready to replace the heater box make sure you do not pinch the flow tubes between the bottom of the heater box and the pump.

MOTOR ACCESS

1. Cut wire ties holding wires going to motor in 3 places.

   ? Image showing wires connected to the motor with arrows pointing to 'Wire Ties'.

2. Remove wire nuts and free wires leading to motor.
3. Remove UPH duct by swinging it back out of the way.
4. Remove [3] screws holding motor.

   ? Image showing the motor area with an arrow pointing to the motor and a note about removing screws.

POTENTIAL LEAK POINT

If the UPH hose is not drained it may show a leak at the bottom of the elbow.

? Image showing the UPH hose connected to an elbow fitting, with an arrow pointing to the bottom of the elbow.