Bissell PROHEAT PRO-TECH 7920 - Manual (Page 6)

B issell PowerSteamer® ProHeat™ Series Service Center Repair Guide
Printed February, 2001
1/30/2004 (Revision 1) 5
8. Manually rotate motor shaft to determine that motor, brush and pump are moving
smoothly and quietly.
9.
Remove any debris which may be hindering the free movement of these components.
FUNCTIONAL SYSTEMS CHECK
1. Fill tank bladder and solution bottle 1/2 full with clean water.
2.
Set smart mix knob to NORMAL.
Set diverter knob to "Carpet." Turn on "power" and "heat."
Make certain heater light is "on" (front of unit).
3. Listen for unusual motor noise such as grinding, racing, louder than normal, etc. If so,
replace motor.
4.
Depress trigger -- watch for spinning flow indicator. If flow indicator does not spin,
ensure that it is assembled properly. If it is and the problem persists, refer to the sections
on "TAKING THE UNIT APART" and "TROUBLESHOOTING THE FLOW
SYSTEM."
5.
Make certain water is being suctioned back into the unit. If not, check the position and
condition of gaskets at the top of the nozzle window and the motor duct. Re-seat or
replace if necessary.
6.
Install upholstery tool to end of hose and depress spray button.
7.
Make certain it sprays and that water is being suctioned back into the unit. If not, inspect
and correct any pinched or kinked tubing.